Answer:
idk
Step-by-step explanation:
if not i would help sorry
Answer:
1 answer. (possibly 2)
Step-by-step explanation:
There's [tex]\frac{1}{4}[/tex] chance they get the correct answer for a question.
That means if they answer 4 questions, they can expect 1 answer to be correct. If they answer 6 questions, they can expect 1.5 answers to be correct but you can't have 0.5 of an answer so they can expect 1 question answered correctly.
If Billy Bob only fills the tank 3/4 of the way, what will be
the volume of the water in the tank? Show your work.
Select the correct answer. The owner of a sporting goods store gathered data about the numbers of men’s, women’s and children’s bicycles sold each month. She used a graphing tool to organize the data in different scatter plots and found these lines of best fit: The relationship between the numbers of men’s, x, and women’s, y, bicycles sold is modeled by the equation y = 0.95x + 0.83, and the correlation coefficient for the data is 0.791. The relationship between the numbers of men’s, x, and children’s, y, bicycles sold is modeled by the equation y = 0.87x + 0.98, and the correlation coefficient for the data is 0.564. The relationship between the numbers of children’s, x, and women’s, y, bicycles sold is modeled by the equation y = 0.73x + 0.91, and the correlation coefficient for the data is 0.945. Which line of best fit can the store owner expect to produce the most reliable predictions?
A. the line modeling the numbers of men’s and women’s bicycles sold
B. the line modeling the numbers of men’s and children’s bicycles sold
C. the line modeling the numbers of children’s and women’s bicycles sold D. All three lines will give equally reliable predictions.
Answer:
Lol I know this is old but for the people who search this up, it has to be C.)
Step-by-step explanation:
the reason i think it's C. is because it says that the correlation is 0.945 which is the strongest out of the rest so therefore it has to be more reliable. Thats my guess tho. Educated guess as teacher call it.
The line of best fit which gives the most reliable predictions is, the line modeling the numbers of children’s and women’s bicycles sold, the correct option is C.
What is the Correlation Coefficient?Correlation coefficient is the value which depicts the linear interdependence of two variables.
Its value lies in between -1 to 1.
The scatter data and the line for the best fit is:
The relationship between
numbers of men’s, x, and women’s, y, bicycles sold is modeled by the equationy = 0.95x + 0.83,
The Correlation coefficient is 0.791.
numbers of men’s, x, and children’s, y, bicycles sold is modeled by the equationy = 0.87x + 0.98
The correlation coefficient is 0.564.
numbers of children’s, x, and women’s, y, bicycles sold is modeled by the equationy = 0.73x + 0.91
The correlation coefficient is 0.945.
The correlation coefficient for the plot numbers of children’s, x, and women’s, y, bicycles sold is 0.945, which shows a strong relationship between the variables and is the most reliable prediction, the correct option is C.
To know more about Correlation Coefficient
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Two linear functions are shown. Which function has
the greater initial value?
and what are the initial values for both
Answer:
Function A
8 vs 5
Step-by-step explanation:
Function A
initial value ⇒ x=0 ⇒ y= 8
Function B
initial value ⇒ x=0 ⇒ y= 4*0+5= 5
Function A has a greater initial value
Answer:
Function A
Step-by-step explanation:
The answer is more that function B
Rectangle JKLM is rotated 90° clockwise about the origin.
What are the coordinates of J’?
J’(–1, –4)
J’(4, –1)
J’(1, 4)
J’(4, 1)
Answer:
Clockwise rotation 90 ° about origin
R_{90, clockwise, origin}(x,y) -> (y,-x)
J(-4,1) therefore
R_{90, clockwise, origin}J(-4,1) -> J'(1,+4) this answer was form other person credits to him/her
Step-by-step explanation:
Solve 5n+26 - 3n = 54
Answer:
the answer for the equation 14
Greatest common factor of 50c6 and 16c5
Answer:
2c^5 is the greatest common factor.
Step-by-step explanation:
I believe you meant 50c^6 and 16c^5. c6 and c5 have no meaning. c^6 and c^5 are the sixth and fifth powers of c, respectively.
What do the two terms of 50c^6 and 16c^5 have in common? c^5 is common to both c^6 and c^5, and so, if we factor out c^5, we get:
c^5(50c + 16).
Note that 50c and 16 have only 2 as their common factor: 2(25c + 8). Thus, the final factored form of 50c^6 and 16c^5 is 2c^5(25c + 8).
2c^5 is the greatest common factor.
1. Find the mean, median, mode and range of the following numbers:
19, 24, 22, 19, 17, 15, 16, 17
Step-by-step explanation:
mean; add all of them u will get 149 then ÷by 8 answer is 18.62
median. the middle number is 17
mode..the most common numbers are 17 and 19
range is 24-15=9
Adimas found the mean of her 11 math test scores for the first semester. x = StartFraction (76 + 87 + 65 + 88 + 67 + 84 + 77 + 82 + 91 + 85 + 90) Over 11 EndFraction = StartFraction 892 Over 11 EndFraction ≈ 81 Using 81 as the mean, find the variance of her grades rounded to the nearest hundredth. σ2 = Find the standard deviation of her grades rounded to the nearest hundredth.
Answer: 71.36
8.45
Step-by-step explanation:
Answer:
σ2 = 71.36
σ = 8.45
Step-by-step explanation:
got it right on edg
Please answer correctly !!!!!!! Will mark brainliest !!!!!!!!!!!!
Answer:
[tex]=8\sqrt{15}b^{\frac{7}{2}}[/tex]
Step-by-step explanation:
[tex]\sqrt{24b^3}\sqrt{40b^2}\sqrt{b^2}[/tex]
[tex]=\sqrt{40}\sqrt{b^2}\sqrt{b^2}\sqrt{24b^3}[/tex]
[tex]=\sqrt{40}b^2\sqrt{24b^3}[/tex]
[tex]\sqrt{24b^3}[/tex]
[tex]=\sqrt{24}\sqrt{b^3}[/tex]
[tex]=\sqrt{24}b^{\frac{3}{2}}[/tex]
[tex]=\sqrt{24}b^{\frac{3}{2}}\sqrt{40}b^2[/tex]
[tex]=\sqrt{2^3\cdot \:3}b^{\frac{3}{2}}\sqrt{40}b^2[/tex]
[tex]=\sqrt{2^3}\sqrt{3}b^{\frac{3}{2}}\sqrt{40}b^2[/tex]
[tex]\sqrt{2^3}[/tex]
[tex]=2^{3\cdot \frac{1}{2}[/tex]
[tex]=2^{3\cdot \frac{1}{2}}\sqrt{3}b^{\frac{3}{2}}\sqrt{40}b^2[/tex]
[tex]=2^{\frac{3}{2}}\sqrt{3}b^{\frac{3}{2}}\sqrt{40}b^2[/tex]
[tex]=2^{\frac{3}{2}}\sqrt{3}b^{\frac{3}{2}}\sqrt{2^3\cdot \:5}b^2[/tex]
[tex]=2^{\frac{3}{2}}\sqrt{3}b^{\frac{3}{2}}\sqrt{2^3}\sqrt{5}b^2[/tex]
[tex]=2^{\frac{3}{2}}\sqrt{3}b^{\frac{3}{2}}\cdot \:2^{\frac{3}{2}}\sqrt{5}b^2[/tex]
[tex]=\sqrt{3}b^{\frac{3}{2}}\cdot \:2^{\frac{3}{2}+\frac{3}{2}}\sqrt{5}b^2[/tex]
[tex]=\sqrt{3}\cdot \:2^{\frac{3}{2}+\frac{3}{2}}\sqrt{5}b^{\frac{3}{2}+2}[/tex]
[tex]2^{\frac{3}{2}+\frac{3}{2}}[/tex]
[tex]=2^3[/tex]
[tex]=2^3\sqrt{3}\sqrt{5}b^{\frac{3}{2}+2}[/tex]
[tex]b^{\frac{3}{2}+2}[/tex]
[tex]=b^{\frac{7}{2}}[/tex]
[tex]=2^3\sqrt{3}\sqrt{5}b^{\frac{7}{2}}[/tex]
[tex]=2^3\sqrt{3\cdot \:5}b^{\frac{7}{2}}[/tex]
[tex]=8\sqrt{15}b^{\frac{7}{2}}[/tex]
On a coordinate plane, lockers is 5 units to the left and 3.5 units up. Water fountain is 2.5 units to the left and 3 units up. Bleachers is 1.5 units to the right and 2 units up. Exit is 3 units to the left and 2.5 units down. Court is 2.5 units down. Office is 3.5 units to the right and 5 units down. Which ordered pairs show the location of the bleachers? Check all that apply. (2.0, 1 and one-half) (1.50, 2.0) (–2.0, 1.50) (1.50, –2.0) (1 and one-half, 2) (1 and one-half, negative 2)
Answer:
(B) (1.50, 2.0)
(E) (1 and one-half, 2)
Step-by-step explanation:
On the coordinate plane
The bleachers is 1.5 units to the right and 2 units up.
1.5 units to the right indicates a positive value on the x-axis. Therefore, the bleachers x-coordinate is 1.5.
2 units up indicates a positive value on the y-axis. Therefore, the bleachers y-coordinate is 2.
Therefore, we can write the bleachers location in the (x,y) coordinate system as: (1.5,2)
The following ordered pairs shows the bleacher's location.
(B) (1.50, 2.0)(E) (1 and one-half, 2)Answer:
B and E
Step-by-step explanation:
HELP!!!!!! THIS IS URGENT PLEASE HELP!! DUE IN 10 MINUTES!!!
Write an expression using letters and/or numbers for the following problem.
Complete the following frame for 6x = 54:
The equation is true when x = _ because _.
PLEASE LIST THE FULL ANSWER!!! THANK YOU!!
Answer:
Step-by-step explanation:
6x = 54
x = 54 /6
x=9
therefore value of x is 9
Answer:
6x=54 if x =9 because 54/6 equals nine
Step-by-step explanation:
Why do you think we need to mulltiply the circle area by two?
Answer:
the usual definition of pi is the ratio of the circumference of a circle to its diameter, so that the circumference of a circle is pi times the diameter, or 2 pi times the radius. ... This give a geometric justification that the area of a circle really is "pi r squared".Jan 29, 2008
Step-by-step explanation:
solve for x in the triangle below. round you answer to the nearest tenth.
Answer:
x ≈ 6.4
Step-by-step explanation:
Using the sine ratio in the right triangle
sin40° = [tex]\frac{opposite}{hypotenuse}[/tex] = [tex]\frac{x}{10}[/tex] ( multiply both sides by 10 )
10 × sin40° = x , thus
x ≈ 6.4 ( to the nearest tenth )
I'm stuck: 20 POINTS AND BRAINLIEST!
I'm really stuck on this question. Find the value of the missing value and find x.
Answer:
see explanation
Step-by-step explanation:
The secant- secant angle PRS is half the measure of the difference of the intercepted arcs, that is
[tex]\frac{1}{2}[/tex] (PD - QS) = 50 ( multiply both sides by 2 )
PD - QS = 100, that is
12x + 8 - (4x + 4) = 100
12x + 8 - 4x - 4 = 100
8x + 4 = 100 ( subtract 4 from both sides )
8x = 96 ( divide both sides by 8 )
x = 12
Thus
arc PD = 12(12) + 8 = 144 + 8 = 152°
arc QS = 4(12) + 4 = 48 + 4 = 52°
A specific shade of orange paint calls for 2 parts yellow and 3 parts red. Catie uses 3 cups of yellow paint and 4 cups of red paint to make orange paint.
Answer:
no
Step-by-step explanation:
one ratio is 2/3 and the other is 3/4
The ratio of yellow to red is not 3/4. Then the different colors will form.
What are ratio and proportion?A ratio is a collection of ordered integers a and b represented as a/b, with b never equaling zero. A proportionate expression is one in which two items are equal.
A specific shade of orange paint calls for 2 parts yellow and 3 parts red.
For the orange paint, the ratio of the yellow part and red part will be
⇒ 2: 3
Catie uses 3 cups of yellow paint and 4 cups of red paint to make orange paint. Then the ratio will be
⇒ 3: 4
The ratio of yellow to red is not 3/4. Then the different colors will form.
More about the ratio and the proportion link is given below.
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Your mom suggested ten different choices for you to eat for lunch over the next week at school. How many different ways can you choose your school lunch? A. 120 B. 252 C. 2,502 D. 30,240
Answer:
B. 252
Step-by-step explanation:
To find the answer, you have to use the formula to calculate the number of combinations as in this case, the order in which the objects are selected doesn't matter:
nCr=n!/r!(n-r)!
n= number of sample points: 10
r= number of sample points in each combination: 5
10C5= 10!/5!(10-5)!
10C5= 10!/5!*5!
10C5= 252
According to this, the answer is that you have 252 different ways to choose your school lunch.
Answer:
it is A 120
Step-by-step explanation:
can i have brainliest
Who has more tadpoles after 9 minutes
What is a counterexample to the conditional statement?
If an odd number is greater than 1 and less than 10, then it has no other factors than 1 and itself.
Answer:
The number 9 is greater than 1 and less than 10, while its factors are 1, 3 and 9, therefore it is a counter example to the statement.
Step-by-step explanation:
There are four odd numbers between 1 and 10, they are: 3, 5, 7 and 9. Let's check the factors for each of them.
For 3:
[tex]\frac{3}{1} = 3\\\frac{3}{3} = 1[/tex]
Therefore 3 is not a counter example to the statement, because it behaves as stated.
For 5:
[tex]\frac{5}{1} = 5\\\frac{5}{5} = 1[/tex]
Therefore 5 is not a counter example to the statement, because it behaves as stated.
For 7:
[tex]\frac{7}{1} = 7\\\frac{7}{7} = 1[/tex]
Therefore 7 is not a counter example to the statement, because it behaves as stated.
For 9:
[tex]\frac{9}{1} = 9\\\frac{9}{3} = 3\\\frac{9}{9} = 1\\[/tex]
Therefore 9 is a counter example to the statement, since it can be divided by 1, 3 and 9.
Answer:
9
Step-by-step explanation:
Given f(x) = -x+2 find f(-5)
Answer:
f(-5) = -(-5)+2
= 7
Step-by-step explanation:
substitute the value of x with -5
Please help me find the area thanks
Answer: 96 ft squared ✌️
Step-by-step explanation:
Triangle area is 42 a leg (6) times b leg (14) divided by 2
First rectangle down is 30. Use length times width
Second rectangle down is 14
Last vertical rectangle is 10
Add all areas together
Answer: 96 square feet.
Step-by-step explanation: I would assume you know how to find the area of the rectangles and you are struggling with the triangle. With triangles you take the base or the bottom and multiple it by the width and then divide by 2. In this case the base would be 14 and the width would be 6, so 14x6 is 84 and 84 divided by 2 is 42.
I am guessing you are in 6th grade based on the problem you are doing. I am also in 6th grade so try to do what I did and see for yourself. :)
Which statement is true?
Expand and simplify
3(c-7)+2(3c+4)
Answer:
9c - 13
Step-by-step explanation:
Given
3(c - 7) + 2(3c + 4) ← distribute both parenthesis
= 3c - 21 + 6c + 8 ← collect like terms
= 9c - 13
Answer:
Step-by-step explanation:
3(c-7) +2(3c+4)
3c- 21 + 6c + 8
= 9c -13
please mark me as the brainliest
In a circle whose radius is 12, find the area of sector, in terms of , whose central angle
measures 45°
Answer:
56.52 units² or 18π units²
Step-by-step explanation:
The formula for the area of a sector is:
A = πr²(x/360°)
where r is the radius and x is the measure of the central angle
Let's substitute the given measures into this equation:
A = πr²(x/360°)
A = (3.14)(12²)(45/360)
Solve:
A = (3.14)(12²)(45/360)
A = (3.14)(144)(45/360)
A = (452.16)(45/360)
A = (452.16)(.125)
A = 56.52
Therefore, the area of the sector is 56.52 units² or 18π units²
Sam is helping Jason do carpentry and general repair jobs. Jason gave Sam some money for supplies. Sam bought some tools for $20.80, then spent half of what was left on wood. After that, he spent ⅓ of what was left on paint and then ⅓ on buckets/brushes. He returned with $13.20. How much did Jason give Sam?
Answer:
LALLALA IS
Step-by-step explanation:
The indoor climbing gym is a popular field trip destination. This year the senior class at High School A and the senior class at High School B both planned trips there. The senior class at High School A rented and filled 2 vans and 5 buses with 268 students. High School B rented and filled 10 vans and 5 buses with 340 students. Every van had the same number of students in it as did the buses. Find the number of students in each van and in each bus.
Please answer ASAP
Answer:
50 students per bus and 9 students per van
Step-by-step explanation:
I just guessed until I got it right, so I don't really have a method. If I ever find a better way of doing it, I'll edit my answer.
I need help with question number three can someone help me please I need to get this right
Answer:
False
Step-by-step explanation:
The included side in ASA is inside between the angles being used
What are the range values of the function f(x)=-3x^2+5 for the domain values {-2,0,1}?
A. {-31, -4, 5}
B. {-7, 2, 5}
C. {5, 8, 17}
D. {5, 14, 41}
Answer:
B. {-7, 2, 5}
Step-by-step explanation:
(-2,-7)(0,5)(1,2)
Answer: B. {-7, 2, 5}
Step-by-step explanation:
Follow the directions to solve the system of equations by elimination. 8x + 7y = 39 4x – 14y = –68 Multiply the first equation to enable the elimination of the y-term. Add the equations to eliminate the y-terms. Solve the new equation for the x-value. Substitute the x-value back into either original equation to find the y-value. Check the solution. The solution to the system of equations is ( ,
Answer:
x=0.5 and y=5
Step-by-step explanation:
8x+7y=39...eqn(1)×-14
4x-14y=-68...eqn(2)×7
we now have,
-112x-98y=-546
-(28x-98y=-476)
-140x÷-140 =-70÷-140
x=0.5
to solve for y, we substitute (x=0.5) into eqn (1) or eqn 2 which ever you want...
so I'm using eqn 1.
8x+7y=39
8(0.5)+7y=39
7y=39-4
7y÷7=35÷7
y=5
therefore, x=0.5, y=5
proof: substitute both x and y values to get you the same answer as the original solutions in both equations.
we have,
8(0.5)+7(5)=39
4(0.5)-14(5)=-68
Answer:
1/2 or 1.5 and 5
(1/2 , 0.5)
Step-by-step explanation:
i got it right...
HELP ASAP WILL MARK BRAINLIEST
Answer:
A
Step-by-step explanation:
Since each week the number of teams is increasing by a constant amount, the graph has a constant slope, and should be a line, and not any kind of exponential curve.
Answer:
Graph A
Step-by-step explanation:
registering 6 teams weekly
y=6x- this is linear equation
Graph A is the correct answer,
the other graph is not a linear function
Please answer correctly !!!!!!! Will mark brainliest !!!!!!!!!
Answer:
A = x² + 11x + 24
Step-by-step explanation:
A = L*W
L = x+8
W = x+3
A = (x+8)(x+3)
Use any method to multiply
A = x²+8x+3x+24 combine like terms
A = x² + 11x + 24
