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Ratling [72]
2 years ago
10

Please help me find the area of this shape

Mathematics
1 answer:
Sloan [31]2 years ago
7 0

Answer:

  • 73.5 cm²

Step-by-step explanation:

<u>Find the area of the rectangle:</u>

  • A = (3 + 12)*7 = 15*7 = 105 cm²

<u>Find the area of triangles:</u>

  • A = 1/2(3 + 15 - 9)*7 = 1/2*9*7 = 31.5 cm²

<u>Find the shaded area:</u>

  • A = 105 - 31.5 = 73.5 cm²
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If you have changed the tires on your car, the original diameter is 24.5 inches. to a new diameter of 26 inches, how fast are yo
Liula [17]

Answer:  c) 56.2

<u>Step-by-step explanation:</u>

Compare the original rate to the the new rate:

\dfrac{diameter}{mph}:\dfrac{24.5\ in}{53\ mph}=\dfrac{26\ in}{x}\\\\\\24.5x=53(26)\\\\\\x=\dfrac{53(26)}{24.5}\\\\\\x=\large\boxed{56.2\ mph}

8 0
3 years ago
Parallelogram Q T S R is shown. Sides Q T and R S are parallel, and sides Q R and T S are parallel. Angle Q is (9 x minus 6) deg
jenyasd209 [6]

Answer:

m<Q = 93 degrees

m<R = 87 degrees

Step-by-step explanation:

Given the following angles;

m<Q = 9x-6

m<R = 8x-1

Looking at Devin's work, we will see that he the sum of both angles is 180 degrees

Hence m<Q + m<R = 180

9x - 6 + 8x - 1 = 180

9x+8x-6-1 = 180

17x - 7 = 180

17x = 180 + 7

17x = 187

x = 187/17

x = 11

Get m<Q

m<Q = 9x - 6

m<Q = 9(11) - 6

m<Q = 99 - 6

m<Q = 93 degrees

Get m<R

m<R = 180 - m<Q

m<R = 180 - 93

m<R = 87degrees

8 0
3 years ago
Read 2 more answers
4a^2 - 8a = 24. I need help with this
nignag [31]

The answer is a=3.646

6 0
3 years ago
A square has a perimeter of 148 inches. How do you find the length of the diagonal of the square?
Sidana [21]

Answer:

52.33 inches

Step-by-step explanation:

Multiply the length of one side by the square root of 2.

In this case: 37, you would divide that by the square root of 2.

Hope this helps!

6 0
4 years ago
Write the phrase as a variable expression?
sergejj [24]
42 / 38x

This sentence is just to fill up space.
5 0
3 years ago
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