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Tatiana [17]
3 years ago
14

Is X=10 a solution to the following equation? Show work to justify your answer.

Mathematics
1 answer:
DENIUS [597]3 years ago
5 0

Answer:

x= 7.5

(that should be the answer)

Step-by-step explanation:

-7x+50 = x-10

10+50 = x+7x

60= 8x

60/8 = x

7.5= x

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What is m∠V?
Bezzdna [24]
We know that
Applying the law of cosines

c²=a²+b²-2*a*b*cos C------> cos C=[a²+b²-c²]/[2*a*b]

in this problem

a=7.6 in

b=8.6 in

c=7.4 in

C=angle V

 cos C=[7.6²+8.6²-7.4²]/[2*7.6*8.6]----> 0.5887

C=arc cos (0.5887)--------> C=53.93°-------> C=53.9°


the answer is

angle V is 53.9°


5 0
3 years ago
Xavier runs 0.75 miles each day .How far has he won at the end of 6 days?
Elanso [62]

Answer:

4.5 miles

Step-by-step explanation:

You times .75 and 6 and you should get 4.5 miles

6 0
3 years ago
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How are the measures of the angles of an equilateral triangle related?
mafiozo [28]
I believe the answer is B
4 0
3 years ago
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if each side of the cube shown above has the same length as the measured side what is the approximate volume of the cube
klemol [59]

Answer:

The measured side is not shown, so i will answer in a general way.

A cube is a 3-dimensional object with 6 square faces.

You know that all the sides of a square have the same length, then is the same for the cube.

To calculate the volume of a cube, we start with the area of the base.

The base is a square of sidelength L (Suppose that L is the length of the measured side)

The area of the base is:

A = L^2.

To find the volume, we must multiply the area of the base by the height of the fire (because the section of the base does not change).

And the height of the cube is also L.

Then the volume is:

V = L*a = L^3

5 0
3 years ago
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valentinak56 [21]

Answer:

6^5

Step-by-step explanation:

put the 5 and make it tiny on top of the 6

3 0
2 years ago
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