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What is the measure of angle BAC?
Answer:
∠BAC = 105°
Step-by-step explanation:
2(5x) = 9x+21
10x = 9x+21
reduce:
x = 21
∠BAC = 5x = 105°
Simplify
^3
V-27n^27
Apply the radical rule to separate terms:
Cubicroot(-27) and cubic root(n^27)
Cubicroot(-27) = -3
Now you have -3 cubicroot(n^27)
Using the exponent rule
N^27 can be rewritten as (n^9)^3
Now you have -3 cubicroot((n^9)^3)
The cubic root and the 3rd power cancel out to get the final answer of
-3n^9
Pretty easy question just stuck and need help ASAP
Answer:
Step-by-step explanation:
m1+m2=180
3x+x+44=180
4x+44=180
4x=136
x=34
m1=3x=3(34)
m1=102 degrees
m2=x+44=34+44
m2=78 degrees
Answer:
The two angles added together are equal to 180 degrees because they lie on a straight line and a straight line is always equal to 180 degrees.
∠1 + ∠2 = 180°
∠1 = 3x, ∠2 = x + 44
Substitute the values of ∠1 and ∠2
3x + x + 44 = 180
4x + 44 = 180
4x = 136
x = 34
If x = 34,
∠1 = 3 * 34 = 102°
∠2 = 34 + 44 = 78°
Can someone help me? I’ll reward points + brainalist
Answer:
The answer is B.
Answer:
b) A = π ([tex]5^{2}[/tex])
Step-by-step explanation:
area = π [tex]r^{2}[/tex]
diamter
⇒ 10
radius is half of the diameter
⇒ 10 ÷ 2 = 5
area = 3.14 × [tex]5^{2}[/tex]
Solve for x. Round your answer to the nearest tenth
Answer:
x = 19.19°
Step-by-step explanation:
cos x = 17/18
cos x = 0.9444
x = 19.19°
Marilyn saves 30% of the money she earns each month.She earns $350 each month.How much does she save?
Answer:
$245
Step-by-step explanation:
Savings percent= $350 × 30%
=$350 × 30/100
= $105
Money saved= $350- $105
= $ 245
This is Adele's solution for the equation x^2 + 8x - 9 = 0 Step 1 x^2 + 8x - 9 = 0 Step 2 x^2 + 8x = 9 Step 3 ( x + 4 )^2 = 25 Step 4 x + 4 = 25 or x + 4 = - 25 Step 5 x = 21 or x = - 29. Where did Adele make her mistake. Show all of your work.
Larry bought 24 marbles little lost half of his marbles how many did he lose
Answer:
12
Step-by-step explanation:
his he had lost 12 of his marbles then he would only have 12 left to begin with.
to do this we can do the equation:
24/0.5 (the 0.5 is the represent that the 24 marbles had been split into two, a half for each party)
this would then give use our quotient of 12 marble he had lost
A cube-shaped box can be wrapped completely in gift wrap that measures 384 square inches. What is the volume of the box?
Answer:
7529.536
Step-by-step explanation:
√384=19.6
19.6, is therefore the length of one side
Volume of cube is length³
19.6³=7529.536
Well it's just a try for me
The volume of the box when there is the cube shaped box wrapped and it should measured 384 square inches so it is 7529.536.
Calculation of the volume of the box;Since
A cube-shaped box can be wrapped completely in gift wrap that measures 384 square inches
So here the side should be like
[tex]= \sqrt{384}[/tex]
= 19.6
Now the volume of the box should be
= [tex]19.6^3[/tex]
= 7529.536
hence, The volume of the box should be considered as the 7529.536.
Learn more about volume here: https://brainly.com/question/13634444
The cost of making a chair is $28 correct to the nearest dollar. Calculate the lower and upper bounds for the cost of making 450 chairs
Answer:
$12,375
$12820.50
Step-by-step explanation:
To obtain a rounded value of $28 (to nearest dollar) the lowest and highest possible value before rounding will be : 27.50 and 28.49
Hence,
Lower bound = $27.50
Upper bound = $28.49
Therefore. Cost of making 450 chairs ;
27.50 * 450 = $12,375 (lower bound)
28.49 * 450 $12820.50 (upper bound)
Riku says that a and b have the same value in the equations 0.75(a−2)=5.25 and 34b−32=214. Is Riku correct?
Answer:
riku is is wrong
Step-by-step explanation:
divide each term by 0.75
a-2=5.25/0.75
a-2=7
a=9
34b= 214+32
34b=246
b=123/17
or 7.235
therefore both answers are different
Show work to triangles 2 and 3 explaining why they are right triangles
Answer:
Step-by-step explanation:
In order for a triangle to be a right triangle, it has to fit into Pythagorean's Theorem:
[tex]a^2+b^2=c^2[/tex] where c is the hypotenuse.
We need to figure out which is the longest side in each of those triangles and that is the hypotenuse.
In the first set, the sqrt of 443 is 21.04, but that is not the longest side; 24 is. So the Theorem formula for that is:
[tex]\sqrt{443}^2+17^2=24^2[/tex] which gives us
443 + 289 = 576, but 732 does not equal 576, so that one is not right.
In the second set, the sqrt of 725 is the longest side, so that formula is:
[tex]\sqrt{725}^2=14^2+23^2[/tex] which gives us
725 = 196 + 529, and 725 does equal 725, so that one is right.
In the third set, the sqrt of 890 is the longest side, so:
[tex]\sqrt{890}^2=19^2+23^2[/tex], which gives us
890 = 361 + 529, and 890 = 890, so that is a right triangle as well. That's how you know those are right, compared to the first one that is not.
Express following improper fractions as the sum of polynomial and a proper fraction.
(4x^3-3)/(2x+1)
I think u need to download photo math.
Evaluate and simplify the expression when r=2 and s=3
Answer:13
Step-by-step explanation:plug in the the numbers
Answer:20
Step-by-step explanation:
I’m smart
9 times (3+2)= (9 times ) +(9 times ) =
Answer:
9(3+2) = 45
9 * 9 = 81
Step-by-step explanation:
What’s is 5/8 +3/10 siplfied
Answer:
37/40
Step-by-step explanation:
Answer:
5 3 50 24 74 37
- + - = - + - = - = -
8 10 80 80 80 40
Step-by-step explanation:
Hope this helped!
Six years ago a man's age was six times the age of his son. Four years hence, thrice his age will be equal to eight times his son's age. find their percent ages.
Answer:
Present age =
fathers= 6x+6 = 36
sons = x+6 = 11
Step-by-step explanation:
-6:
father's age = 6x
sons age = x
Present age =
fathers= 6x+6
sons = x+6
+4 yrs:
father's age = 6x+6 +4 = 6x + 10
sons age = x+6 + 4 = x+ 10
3(6x +10) = 8( x + 10 )
18x+30 = 8x+80
18x-8x = 80-30
10x = 50
x= 50/10 = 5
~~~~~~~~~~
Present age =
fathers= 6x+6 = 36
sons = x+6 = 11
I hope im right!!!
pls help!!
These two polygons are similar. 4 2 9 o 15
Answer:
z = 3
Step-by-step explanation:
Similar polygons have the ratio of their corresponding sides equal to each other. There:
9/z = 6/2
Cross multiply
z*6 = 9*2
6z = 18
z = 18/6
z = 3
need help pls geometry question
Answer:
Step-by-step explanation:
sin 45 = x/12
x = 12 sin 45
x = 6√(2)
answer is D
Name the property shown.
5.7 = 7.5
Answer:
Step-by-step explanation:
Commutative Property of Multiplication
Uh i need help with those 3, will give brainliest, thanks!
Answer:
26 = G. 27 = A. 28 = J
Step-by-step explanation:
26} A Nickle = 5 cents. A Dime = 10 Cents.
Way #1: 5+5+5+5+5+5 = 30
Way #2: 10 + 10 + 10 = 30
Way #3: 10 + 5 + 5 + 5 + 5 = 30
Way #4: 10+ 10+ 5 + 5 = 30
27} Pennies = 1 Cent. Nickels = 5 Cents. Dimes = 10 cents.
Way #1: 1+1+1+1+1+5+ 10 = 20
28} Pennies = 1 Cent. Nickels = 5 Cents. Dimes = 10 Cents.
Way #1: 10+5+1+1 = 17
Way #2: 5+5+5+11 = 17
Way #3: 1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1 = 17
Way #4: 1+1+1+1+1+1+1+10 = 17
Way #5: 5+1+1+1+1+1+1+1+1+1+1+1+1 = 17
Please help a brotha out so I can get ungrounded!
Will give Brainlyest!
Answer:
38 degrees
Step-by-step explanation:
Angle ABE is 90 degrees, and angle FBE is 52 degrees. 90-52 is 38.
Can someone show me how to do this? I’m not sure how to do this
Directions: The points in the table lie on a line. Find the slope of the line. Then draw its graph.
Answer: Slope means the gradient. So find the equation of the line first then graph the points on the graph.
Step-by-step explanation:
y=mx+c *We want m*
m=(y2-y1)/(x2-x1)
m=(0-1)/(6-3)
m=-1/3
y=-1/3x+2 *(0,2) co-ordinate means it's the y-intercept=c*
I think the slope is -1/3 and then just plt the points on the graph manually.
what is the area of this cross section of this rectangular prism?
Answer:
Step-by-step explanation
cross-section is 10 inches by 16 inches
area = 10*16 = 160 square inches
The area of the shown cross-section is 160 square inches.
What is the area of the cross-section?
As you can see in the image, the cross-section of a rectangular prism is actually a rectangle.
Here, the dimensions of the rectangular cross-section is:
L = 16 in
H = 10 in
The area will be the product of these two values, so we will get:
A = L*H = (16 in)*(10 in) = 160 in^2
So the area of the shown cross-section is 160 square inches.
If you want to learn more about areas, you can read:
https://brainly.com/question/24487155
PLEASE HELP. THIS IS WORTH 68 POINTS. FE
Answer:
BAF and FAD
Step-by-step explanation:
PUZZLES Potter's Puzzles sells a wooden
pyramid puzzle. The base is a square
with side lengths of 6 inches. The slant
height is 10 inches. What is the surface
area of the puzzle?
Answer:
[tex]Area = 156in^2[/tex]
Step-by-step explanation:
Given
[tex]L = 6in[/tex] --- Base length
[tex]H = 10in[/tex] --- Slant height
Shape: Square Pyramid
Required
Determine the surface area
This is calculated using:
[tex]Area = L^2 +2LH[/tex]
So, we have:
[tex]Area = 6^2 + 2 * 6 * 10[/tex]
[tex]Area = 36 + 120[/tex]
[tex]Area = 156in^2[/tex]
Answer:
it is 156
Step-by-step explanation:
Use the order of operation to evaluate the expression below
4+[8 ÷(8-7) +6 -12] . 10
First do inside the parentheses:
4 + [8/1 + 6-12] . 10
Now work inside the brackets doing division first
4 + [8 + 6 -12]. 10
Still inside the brackets add an subtract from left to right:
4 + 2 . 10
Multiply:
4 + 20
Add to get final answer of 24
Answer:
4+[8 ÷(8-7) +6 -12] . 10
4+[8÷1+6-12].10
4+[8+6-12].10
4+[14-12].10
4+2×10
4+20
24
what ia a right triangle?
Which of the following statements are true? Select all that apply.
a
S
30 13
8
A. p | q if 22 2 23.
B. p | q if 25 27.
C. r | s if Z2 = 24.
D. r | s if 25 26.
Answer:
hello
Step-by-step explanation:
I think the answer is C hope that helps you
Jessie is 13
4
5
years old. Jillian is 1
1
6
years younger than Jessie and Jane is 1
1
3
years younger than Jillian. How old is Jane?
jane is 1,116 years old.
Step-by-step explanation:
first you have to subtract 1345 minus 116. Which will give you 1229. Then you subtract that by 113.
