This loan has an interest 4. 5% compounded quarterly, account balance after 10 years:
The initial loan amount is $20,000, and it has an interest rate of 4.5% compounded quarterly. You would like to know the account balance after 10 years.
To calculate the account balance, we will use the compound interest formula:
A = P(1 + r/n)^(nt)
Where:
A = the future value of the loan
P = the initial loan amount ($20,000)
r = the annual interest rate (0.045)
n = the number of times the interest is compounded per year (4, since it is compounded quarterly)
t = the number of years (10)
Plugging in the values:
A = 20000(1 + 0.045/4)^(4*10)
A = 20000(1.01125)^40
A ≈ 30,708.94
The account balance after 10 years will be approximately $30,708.94.
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What is the slope of the linear function that models the data in the table?
The slope of the linear function that models the data in the table is -1.5. It was calculated by using the formula for slope (change in y divided by change in x) and plugging in the given coordinates. This means that for every increase of 2 in the x-value, the y-value decreases by 3.
To find the slope of the linear function that models the data in the table, we can use the slope formula
slope = (change in y)/(change in x)
We can choose any two points from the table to calculate the slope. Let's choose the points (-2,6) and (0,3)
change in y = 3 - 6 = -3
change in x = 0 - (-2) = 2
So the slope is
slope = (-3)/(2) = -1.5
Therefore, the slope of the linear function that models the data in the table is -1.5.
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--The given question is incomplete, the complete question is given
" What is the slope of the linear function that models the data in the table? "--
which of the following groups of numbers is ordered from least to greatest?
A. 1/5, 3/8, 4/10, 0.45, 0.6
B. 1/5, 3/8, 0.45, 4/10, 0.6
C. 0.6, 0.45, 4/10, 3/8, 1/5
D. 0.6, 4/10, 0.45, 1/5, 3/8
ans.(a) is correct
only in option (a) numbers are arranged from least to greatest.
LA and LB are vertical angles. If mLA=(x+21)° and mLB=(4x-30)°, the find then measure of LB
Answer:
38 degrees
Step-by-step explanation:
Vertical angles are congruent(equal measures), so mLA = mLB
STEP 1:
Let's use some simple substitution.
mLA = mLB
mLA = x+21, mLB = 4x-30
You plug these two in and get:
x+21 = 4x-30
This is your equation.
STEP 2:
Let's solve our equation!
x+21 = 4x-30
(add 30 to both sides)
x+51 = 4x
(subtract x from both sides)
51 = 3x
(switch order for comprehension)
3x = 51
(divide both sides by 3)
x = 17
Ta-da! You get the measure of x = 17 degrees.
STEP 3:
Let's plug in our value of x to get the value of LB.
mLB = 4x - 30
mLB = 4(17) - 30
mLB = 68 - 30
mLB = 38
This is your answer.
Consider the series Σ(1) с (where c is a constant). For which values of c will the series converge, and for which it diverge? Justify your answer, and show all your work. (Hint: Use the root test)
To determine whether the series Σ(1) с converges or diverges, we can use the root test. The root test states that if the limit of the absolute value of the nth root of the terms of the series approaches a value less than 1, then the series converges. If the limit approaches a value greater than 1, the series diverges. If the limit equals 1, the test is inconclusive and another test should be used.
Using the root test, we have:
lim┬(n→∞)〖|1^(1/n) c| = lim┬(n→∞)|c| = |c|〗
If |c| < 1, then the limit approaches a value less than 1 and the series converges. If |c| > 1, then the limit approaches a value greater than 1 and the series diverges. If |c| = 1, then the test is inconclusive.
Therefore, the series Σ(1) с converges if |c| < 1, and diverges if |c| > 1. If |c| = 1, then another test should be used to determine convergence or divergence.
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the diagram shows a polygon composed of rectangles
Answer:
210 feet
Step-by-step explanation:
Refer the attached figure
LK = 22 ft
KH=JI = 18 ft.
HG=14 ft.
CD=FE=16 ft.
AL=15 ft.
GF=CB = 5ft.
KJ=HI=10 ft.
CF=CB+BG+GF=5+15+5=25 ft. =DE
AB= LK+KH+HG=22+18+14= 54 ft.
Perimeter of polygon = Sum of all sides
Perimeter of polygon=AL+LK+KJ+JI+HI+HG+GF+FE+DE+CD+CB+BA
=15+22+10+18+10+14+5+16+25+16+5+54
=210
Hence the perimeter of the polygon is 210 feet.
PLS MARK BRAINLIEST
Find the equation of the line that
is perpendicular to y = -8x + 2
and contains the point (-4,1).
Help
=
y = (?)X +
X
8
Enter the correct symbol, + or -, that
belongs in the green box
The equation of the line that is perpendicular to y = -8x + 2 and contains the point (-4, 1) is y = (1/8)x + (3/2).
To find the equation of the line that is perpendicular to y = -8x + 2 and contains the point (-4, 1), first, determine the slope of the given line. The slope is -8. Perpendicular lines have slopes that are negative reciprocals of each other, so the slope of the new line will be 1/8.
Now, use the point-slope form of a linear equation, y - y1 = m(x - x1), where m is the slope and (x1, y1) is the given point (-4, 1). Plug in the values: y - 1 = (1/8)(x - (-4)).
Simplify the equation: y - 1 = (1/8)(x + 4). Distribute the 1/8: y - 1 = (1/8)x + (1/2). Finally, add 1 to both sides: y = (1/8)x + (1/2) + 1.
So, the equation of the line that is perpendicular to y = -8x + 2 and contains the point (-4, 1) is y = (1/8)x + (3/2).
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SOMEONE HELPP , giving brainlist to anyone who answers
Answer:
[tex]2( {3}^{x} ) = 258280326[/tex]
[tex] {3}^{x} = 129140163[/tex]
[tex]x = \frac{ ln(129140163) }{ ln(3) } = 17[/tex]
n = 17 + 1 = 18
[tex]s = \frac{2( 1 - {3}^{18} )}{1 - 3} = 387420488[/tex]
The sum of this finite geometric series is 387,420,488.
John has a pepper shaker in the shape of a cylinder. It has a radius of 9 mm and a height of 32 mm. John wants to cover the pepper shaker with tape, How much tape is needed? Round to the hundredths
John needs approximately 1,814.4 mm² of tape to cover the pepper shaker. Rounded to the hundredths, the answer is 1,814.40 mm².
To calculate the amount of tape needed to cover the pepper shaker, we need to find the lateral area of the cylinder. This is given by the formula L = 2πrh, where r is the radius and h is the height.
Substituting the values given, we get L = 2π(9 mm)(32 mm) = 1,814.4 mm².
Therefore, John needs approximately 1,814.40 mm² of tape to cover the pepper shaker.
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A water tank is filled with a hose. The table shows the number of gallions of water in the tank compared to the number of minutes the tank was
being filed The line of best for this data is g = 9m-0. 17
Minutes (m) 13 27 33 60
Gallons (3) 120 241 294 542
Approximately how much water was in the tank after 45 minutes of being filled?
O A 388 gallons
OB 405 gallons
O c 407 gallons
D. $18 gallons
Based on the given data, the line of best fit equation is g = 9m - 0.17, where "g" represents the number of gallons of water in the tank and "m" represents the number of minutes the tank was being filled.
To find the approximate number of gallons of water in the tank after 45 minutes of being filled, we need to substitute "m=45" in the equation and solve for "g".
g = 9(45) - 0.17
g = 405.83
Therefore, approximately 405 gallons of water would be in the tank after 45 minutes of being filled. The closest option to this answer is option B, which states 405 gallons. Therefore, option B is the correct answer.
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Find the measure of the question marked arc (view photo )
The arc angle indicated with ? is derived as 230° using the angle between intersecting tangents.
What is an angle between intersecting tangentsThe angle between two tangent lines which intersect at a point is 180 degrees minus the measure of the arc between the two points of tangency.
angle G = 180° - arc angle HF
arc angle HF = 180° - 50°
arc angle HF = 130°
so the arc angle indicated with ? is;
? = 360° - 130°
? = 230°
Therefore, using the angle between the intersecting tangents, the arc angle indicated with ? is 230°.
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when rounding to the nearest hundred what is the greatest whole number that rounds to 500?
Answer:
499
Step-by-step explanation:
A consumer group is investigating two brands of popcorn, R and S. The population proportion of kernels that will pop for Brand R is 0. 90. The population proportion of kernels that will pop for Brand S is 0. 85. Two independent random samples were taken from the population. The following table shows the sample statistics. Number of Kernels in Samples Proportion from Sample that Popped Brand R 100 0. 92 Brand S 200 0. 89 The consumer group claims that for all samples of size 100 kernels from Brand R and 200 kernels from Brand S, the mean of all possible differences in sample proportions (Brand R minus Brand S) is 0. 3. Is the consumer group’s claim correct? Yes. The mean is 0. 92−0. 89=0. 3. Yes. The mean is 0. 92 minus 0. 89 equals 0. 3. A No. The mean is 0. 92+0. 892=0. 905. No. The mean is the fraction 0. 92 plus 0. 89 over 2 equals 0. 905. B No. The mean is 0. 92−0. 892=0. 15. No. The mean is the fraction 0. 92 minus 0. 89 over 2 equals 0. 15. C No. The mean is 0. 90+0. 852=0. 875. No. The mean is the fraction 0. 90 plus 0. 85 over 2 equals 0. 875. D No. The mean is 0. 90−0. 85=0. 5
The mean of all possible differences in sample proportions (Brand R minus Brand S) is given by:
mean = pR - pS,
where pR is the population proportion of kernels that will pop for Brand R, and pS is the population proportion of kernels that will pop for Brand S.
Substituting the given values, we get:
mean = 0.90 - 0.85 = 0.05
However, the consumer group claims that the mean of all possible differences in sample proportions is 0.3. This claim is not supported by the calculations above.
Therefore, the correct answer is:
C) No. The mean is 0.90+0.85/2=0.875. No. The mean is the fraction 0.90 plus 0.85 over 2 equals 0.875.
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Skyler has 4 1/3 hours until she needs to go to bed she watches a movie for 2 2/9 hours how much time does she have left
Step-by-step explanation:
just convert the 1/3 and times 3 to both it's numerator and denominator.
once you have the same denominator as the other mixed number, you can start to minus.
Answer:
2 1/9 hrs
Step-by-step explanation:
4 1/3 = 13/3 = 39/9
2 2/9 = 20/9
39/9 - 20/9 = 19/9 = 2 1/9 hrs
or,
(4 - 2) + (3/9 - 2/9) = 2 1/9 hrs
A store has 25 VCRs in stock, but 2 of these are defective. What is the probability
that the second person to buy a VCR gets a defective one and the first
customer's VCR was not defective? Round your answer to the nearest
thousandth. *
. 083
. 0736
. 077
. 08
A store has 25 VCRs in stock, but 2 of these are defective he answer is the probability that the second person to buy a VCR gets a defective one and the first customer's VCR was not defective is .077.
The probability that the first customer's VCR is not defective is 23/25, as there are 23 working VCRs out of the total 25.
Since one VCR has already been sold, there are 24 VCRs left and 1 defective VCR. Thus, the probability that the second customer gets a defective VCR is 1/24.
To find the probability that both events occur, we multiply the individual probabilities:
P = (23/25) x (1/24)
P = 0.077 or 0.0778 when rounded to the nearest thousandth.
Therefore, A store has 25 VCRs in stock, but 2 of these are defective he answer is the probability that the second person to buy a VCR gets a defective one and the first customer's VCR was not defective is .077.
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Tell which property the statement illustrates.
(x + 2) + 5 = x + (2 + 5)
The given statement:
(x + 2) + 5 = x + (2 + 5)
illustrates the associative property of addition.
There are three properties of addition : Associative, commutative and identity.
The associative property of addition states that : (a+b)+c = a + (b+c)
The commutative property of addition states that : a + b = b + a
The identity property of addition states that : a + 0 = a.
Therefore, the statement is illustrating the associative property of addition.
Is the expression (x + 18) a factor of x² - 324?
Answer: We can check whether the expression (x + 18) is a factor of x² - 324 by dividing x² - 324 by (x + 18) using polynomial long division or synthetic division.
Using polynomial long division:
x + 18 │x² + 0x - 324
-x² - 18x
----------
18x - 324
18x + 324
----------
0
Since there is no remainder, we can see that (x + 18) is indeed a factor of
x² - 324.
How much paint will you need to paint all sides of the box shown below? 4m 13m 4m 4m 11m
To paint all sides of the box, you would need approximately 344 square meters of paint.
To calculate the amount of paint needed to paint all sides of the box, we first need to find the total surface area of the box.
The box has five sides: top, bottom, front, back, and two sides.
Given the dimensions:
Top: 4m x 13m
Bottom: 4m x 13m
Front: 4m x 4m
Back: 4m x 4m
Sides (2): 4m x 11m.
To calculate the surface area, we sum the areas of all the sides:
Surface Area = (4m x 13m) + (4m x 13m) + (4m x 4m) + (4m x 4m) + (4m x 11m) + (4m x 11m)
Surface Area = 52m² + 52m² + 16m² + 16m² + 44m² + 44m²
Surface Area = 224m² + 32m² + 88m²
Surface Area = 344m²
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What is the main conflict in the story? Responses The people want to travel around. The people want to travel around. The people have trouble finding food. The people have trouble finding food. The babies have trouble going to sleep. The babies have trouble going to sleep. The mother wants to sleep in an open field
The most likely main conflict in a story is that the people have trouble finding food. The Option B is correct.
What is the main conflict in the given story?In storytelling, a conflict is a struggle or problem that a character or group of characters face. In the options, the main conflict is most likely the one where the people are having trouble finding food because its creates a sense of urgency and tension as the characters are facing a basic need that must be met in order to survive.
The other options such as traveling around, babies going to sleep, and mother wanting to sleep in an open field may be secondary or plot conflict that contribute to the overall story but they are not the main source of tension and conflict.
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Consider the following planes. 5x - 3y + z = 2, 3x + y - 5z = 4 Find parametric equations for the line of intersection of the planes. (Use the parameter t.) (x(t), y(t), z(t)) = Find the angle between the planes. (Round your answer to one decimal place.)
the cross product of the normal vectors of the planes will give you the direction vector of the line.
(5,−3,1)×(3,1,−5)=(14,28,14)
Which we can scale down to (1,2,1)
Now we need a point on the line. By inspection we can see that (1,1,0) lies in both planes.
Sometimes it it not that easy. But it is usually pretty easy to find a point in at least one plane and then travel along some line in that plane until we intersect the line in question.
Vector form of the line L:(x,y,z)=(1,2,1)t+(1,1,0)
In parametric form x=t+1,y=2t+1,z=t
The parametric equations are (x(t), y(t), z(t)) = (17/34 + 11t/34, 22/34 - 5t/34, 57/34 + 7t/34), where t is a parameter. The angle between the planes is 93.7 degrees.
To find the line of intersection of the planes, we can set the two equations equal to each other and solve for x, y, and z in terms of a parameter t. We can begin by eliminating one variable, say z.
From the first equation, we have z = 2 - 5x + 3y, and substituting this into the second equation gives 3x + y - 5(2 - 5x + 3y) = 4. Simplifying this equation, we get 22x - 14y - 23 = 0. Solving for y in terms of x, we get y = (22/14)x - (23/14).
Substituting this into the first equation and solving for z, we get z = (17/14)x + (57/14). Therefore, we have x = (17/22) + (11/22)t, y = (22/14) - (5/14)t, and z = (17/14)x + (57/14) + (7/22)t. These are the parametric equations for the line of intersection of the planes.
To find the angle between the planes, we can find the angle between their normal vectors.
The normal vector to the plane 5x - 3y + z = 2 is (5, -3, 1), and the normal vector to the plane 3x + y - 5z = 4 is (3, 1, -5). Using the dot product formula, we have cosθ = (5)(3) + (-3)(1) + (1)(-5) / sqrt(5² + (-3)² + 1²) sqrt(3² + 1² + (-5)²), which simplifies to cosθ = -19/34.
Taking the inverse cosine of this value, we get θ = 93.7 degrees, rounded to one decimal place. Therefore, the angle between the planes is approximately 93.7 degrees.
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The berry-picking boxes at bingo berry farm have square bottoms that are 8 centimeters on each side. mateo fills his box with raspberries to a height of 6 centimeters. what is the volume of raspberries in mateo's box?
The volume of raspberries in Mateo's box is 384 cubic centimeters.
To calculate the volume of raspberries in Mateo's box, we need to use the formula for the volume of a rectangular prism, which is length x width x height. In this case, the length and width are both 8 centimeters, as the box has a square bottom. The height is 6 centimeters, as Mateo fills the box to that height with raspberries.
So, the volume of raspberries in Mateo's box is:
Volume = length x width x height
Volume = 8 cm x 8 cm x 6 cm
Volume = 384 cubic centimeters
Therefore, the volume of raspberries in Mateo's box is 384 cubic centimeters. This calculation assumes that the raspberries are tightly packed in the box, without any gaps or air pockets. In reality, the actual volume of raspberries may be slightly less than this, depending on how they are arranged in the box. Nonetheless, this calculation provides a reasonable estimate of the amount of raspberries that Mateo is able to pick and fit in the box.
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If a+b=3 and ab=4 find the value of a3+b3
Answer:
-9
Step-by-step explanation:
Recall the following relationships about the sum of cubes and a square binomial:
[tex]a^3+b^3=(a+b)(a^2-ab+b^2)[/tex]
[tex](a+b)^2=a^2+2ab+b^2[/tex]
The second factor on the right hand side of equation 1 looks similar to the right hand side of equation 2, but differs slightly.
Carefully choosing to subtract 3ab from both sides of the equation 2, and Combining like terms yields...
[tex](a+b)^2-3ab=a^2-ab+b^2[/tex]
This now matches the second factor on the right hand side of the first equation. So, with substitution, the first equation becomes:
[tex]a^3+b^3=(a+b)(a^2-ab+b^2)[/tex]
[tex]a^3+b^3=(a+b)((a+b)^2-3ab)[/tex]
Note that all of the parts on the right hand side of the equation are given in the question:
a+b=3 and ab=4
With some substitution and simplification
[tex]a^3+b^3=(a+b)((a+b)^2-3ab)[/tex]
[tex]=(3)((3)^2-3(4))[/tex]
[tex]=(3)(9-3(4))[/tex]
[tex]=(3)(9-12)[/tex]
[tex]=(3)(-3)[/tex]
[tex]=-9[/tex]
how would you work the image attached out
The ratio of a : b : c : d is 3 : 7 : 2 : 7.
What are the ratios?The ratios are determined as follows from the data given.
The given data is:
7a = 2b
b = (7/2)a.
a and b have no common factors, thus a must be even and b must be odd.
c : d is 2 : 7
For an integer x, c = 2x and d = 7x
a : d is 3 : 1
So for an integer y, a = 3y and d = y
Substituting into 7a = 2b:
7(3y) = 2(7/2)y a
21y = 7y * b
b = 3a
Substituting these expressions for a and b into c : d = 2:7, we get:
2x : 7x = 3 : 1
2x = 3y and 7x = y
y = 14x/3
a : b : c : d = 3y : 7y : 2x : 7x
a : b : c : d = 3(3y) : 3(7y) : 3(2x) : 3(7x)
a : b : c : d = 9y : 21y : 6x : 21x
a : b : c : d = 3 : 7 : 2 : 7
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Find the missing parts of the triangle. Round to the nearest tenth when necessary or to the nearest minute as appropriate.
a = 8. 0 in.
b = 13. 7 in.
c = 16. 7 in.
A = 26. 4°, B = 54. 5°, C = 99. 1°
A = 28. 4°, B = 54. 5°, C = 97. 1°
A = 30. 4°, B = 52. 5°, C = 97. 1°
No triangle satisfies the given conditions
The missing parts of the triangle are:
Angle A ≈ 28.4°Angle B ≈ 52.5°Angle C ≈ 99.1°How to find the missing parts of the triangle?To find the missing parts of the triangle, we can use the Law of Sines and Law of Cosines.
First, we can use the Law of Cosines to find angle A:
cos(A) = (b² + c² - a²) / (2bc)
cos(A) = (13.7² + 16.7² - 8²) / (2 * 13.7 * 16.7)
cos(A) = 0.773
A = [tex]cos^-^1^(^0^.^7^7^3^)[/tex]
A ≈ 28.4°
Next, we can use the fact that the sum of the angles in a triangle is 180° to find angles B and C:
B = 180° - A - C
B = 180° - 28.4° - 99.1°
B ≈ 52.5°
C = 180° - A - B
C = 180° - 28.4° - 52.5°
C ≈ 99.1°
Therefore, the missing parts of the triangle are:
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36 A bicycle rental company charges a fixed rental fee for the first
30 minutes and a cost per minute for each additional minute. The
table shows the linear relationship between the total cost in dollars
to rent a bicycle and the number of additional minutes a bicycle
is rented.
Bicycle Rental
Number of Additional Minutes Total Cost (dollars)
15
3.05
20
$0.17 per min
$0.35 per min
$0.07 per min
$0.56 per min
35
55
3.40
4.45
5.85
What is the rate of change of the total cost in dollars with respect to
the number of additional minutes?
Answer:
C
Step-by-step explanation:
Since the rate is linear, we can subtract a larger amount of minutes by a smaller one and a larger cost by a smaller one.
For example:
20 - 15 = 5
3.40 - 3.05 = 0.35
Since you want to find the amount it takes per minute, you divide the 5 by 5 to make it one minute. You also divide the 0.35 by 5 in which you get 7.
I need help ASAP (will give brainliest)
Answer:
92°
Step-by-step explanation:
All angles should add up to 360°
Opposite angles are equal so that means two angles are 88°
88+88=176
360 - 176 = 184
184 / 2 = 95
Measure of angle A is 92°
Find the interval of convergence of the power series. (Be sure to include a check for convergence at the endpoints of the interval. If the interval of convergence is an Interval, enter your answer using interval notation. If the Interval of convergence is a finite set, enter your answer using set notation.)
Sum = (n!(x+5)^n) / 1 . 3 . 5 ...... (2n-1)
To find the interval of convergence of the power series, we can use the ratio test:
lim (n->inf) |((n+1)!(x+5)^(n+1)) / (1.3.5....(2n+1))| / |(n!(x+5)^n) / (1.3.5....(2n-1))|
= lim (n->inf) |(x+5)(2n+1)| / (2n+2) = |x+5| lim (n->inf) (2n+1)/(2n+2) = |x+5|
So the series converges if |x+5| < 1, and diverges if |x+5| > 1. Thus the interval of convergence is (-6, -4).
To check for convergence at the endpoints, we can use the limit comparison test with the divergent series:
1/1.3 + 1/1.3.5 + 1/1.3.5.7 + ... = sum (2n-1) terms = inf
At x = -6, we have:
sum (n=0 to inf) (n!(-1)^n)/(1.3.5....(2n-1)) = 1/1 - 1/1.3 + 1/1.3.5 - 1/1.3.5.7 + ... = inf
Since the series diverges at x = -6, the interval of convergence is (-6, -4] using set notation.
At x = -4, we have:
sum (n=0 to inf) (n!(1)^n)/(1.3.5....(2n-1)) = 1/1 - 1/1.3 + 1/1.3.5 - 1/1.3.5.7 + ... = 1 - 1/3 + 1/15 - 1/105 + ...
This is an alternating series that satisfies the conditions of the alternating series test, so it converges. Thus the interval of convergence is (-6, -4] using set notation, or [-6, -4) using interval notation.
To find the interval of convergence of the power series, we'll use the Ratio Test, which states that if the limit L = lim(n→∞) |aₙ₊₁/aₙ| < 1, then the series converges. Here, the series is given by:
Σ(n!(x+5)^n) / 1 . 3 . 5 ... (2n-1)
Let's find the limit L:
L = lim(n→∞) |(aₙ₊₁/aₙ)|
= lim(n→∞) |((n+1)!(x+5)^(n+1))/(1 . 3 . 5 ... (2(n+1)-1)) * (1 . 3 . 5 ... (2n-1))/(n!(x+5)^n)|
Now, simplify the expression:
L = lim(n→∞) |(n+1)(x+5)/((2n+1))|
For the series to converge, we need L < 1:
|(n+1)(x+5)/((2n+1))| < 1
As n approaches infinity, the above inequality reduces to:
|x+5| < 1
Now, to find the interval of convergence, we need to solve for x:
-1 < x + 5 < 1
-6 < x < -4
The interval of convergence is given by the interval notation (-6, -4). To check the endpoints, we need to substitute x = -6 and x = -4 back into the original series and use other convergence tests such as the Alternating Series Test or the Integral Test. However, the power series will diverge at the endpoints, as the terms do not approach 0. Therefore, the interval of convergence remains (-6, -4).
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Which shows 71. 38 in word form? O A seventy-one thirty-eighths O B. Seventy-one and thirty eighths O c. Seventy-one and thirty-eight tenths D. Seventy-one and thirty-eight hundredths E seventy-one and thirty-eight thousands
The number 71.38 can be written in word form as "seventy-one and thirty-eight hundredths." The correct answer is option D.
In decimal notation, the number 71.38 can be broken down into its whole number and decimal parts. The whole number part is 71, and the decimal part is 0.38.
In a decimal number, the digits to the right of the decimal point represent fractions of a whole. Each digit to the right of the decimal point has a place value that is a power of 10.
In word form, the decimal part 0.38 is read as "thirty-eight hundredths." Therefore, when combined with the whole number 71, the correct word form is "Seventy-one and thirty-eight hundredths."
Therefore option D is the correct answer.
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If a sample of 32 runners is taken from a population of 201 people what if the means of how many runners times
201 could refer to the mean of how many runners' times. The Option C is correct.
Could sample refer to the mean of runner times?The sample of 32 runners, as given, does not refer to the mean of how many runners' times. The sample size refers to the number of individuals selected from the population while population size refers to the total number of individuals in the population.
Data:
The population of 201 people is given.
The sample of 32 runners is taken from the population.
So, the mean of the runners' times would be calculated using all 201 runners in the population, not just the 32 in the sample. Therefore, the Option C is correct.
Full question "If a sample of 32 runners were taken from a population of 201 runners, could refer to the mean of how many runners' times ? A. Both 32 and 201 B. Neither 32 nor 201 C. 201 D. 32"
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5. this prism has a right triangle for a base. the volume of the prism is 54 cubic units.
what is the value of h?
The value of h is 6 units.
The volume of the prism is given by the formula V = 1/3 x (base area) x height. Since the base of the prism is a right triangle, the area of the base is given by A = 1/2 x base x height of the triangle. Therefore, the volume of the prism can be written as V = 1/3 x 1/2 x base x height of the triangle x height of the prism.
Simplifying this expression, we get V = 1/6 x base x height^2. Given that the volume of the prism is 54 cubic units, and substituting the value of the base which is not given as per the formula we get, 54 = 1/6 x base x h^2. Solving for h, we get h = 6 units. Therefore, the value of h is 6 units.
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Tamekia and Marsha mow lawns during the summer to earn money. Tamekia determined that she can earn between $6. 00 and $6. 25 per hour. Marsha estimates that she earns between $7. 50 and $8. 00 per hour. About how much more money will Marsha earn than Tamekia if they each work 22 hours?
If they each work 22 hours, Marsha will earn about $35.75 more than Tamekia.
To compare how much more money Marsha will earn than Tamekia, we can use the averages of their respective hourly rates and then multiply by the number of hours worked.
Tamekia's average hourly rate: ($6.00 + $6.25) / 2 = $6.125
Marsha's average hourly rate: ($7.50 + $8.00) / 2 = $7.75
Now, we'll multiply their average hourly rates by the number of hours worked, which is 22 hours.
Tamekia's total earnings: $6.125 x 22 = $134.75
Marsha's total earnings: $7.75 x 22 = $170.50
Finally, we'll subtract Tamekia's earnings from Marsha's earnings to find the difference:
$170.50 - $134.75 = $35.75
So, Marsha will earn about $35.75 more than Tamekia if they each work 22 hours.
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Marsha will earn $38.50 more than Tamekia if they each work 22 hours.
