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3 years ago

Please help!! image is below i would really appreciate it

Mathematics

1 answer:

Maurinko [17]3 years ago

8 0

Answer:

3 mi

Step-by-step explanation:

c = 3√2 ÷ √2 = 3

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3 years ago

what is the constant of proportionality (in miles per hour) based on the table? (can you please help me)

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3 years ago

What is 56 divided by 3 1/2

Anton [14]

Answer:

Step-by-step explanation:

First you will need to change both of the numbers into improper fractions:

56/1 ÷ 7/2

Then do keep change flip. What that means is keep the first fraction the same, change the division symbol into a multiplication symbol, and flip the second fraction:

56/1 x 2/7

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4 0

3 years ago

A right square pyramid is pictured below. if l is 15 cm and x is 18 cm, what is the surface area of the pyramid?

Nady [450]

Answer:

The surface area of square pyramid is 953.64 cm² .

Step-by-step explanation:

Given as for a square pyramid :

The height of pyramid = l = 15 cm

The base of square pyramid = x = 18 cm

Now,

The surface area of square Pyramid = $b^{2} + 2b\times \sqrt{\frac{b^{2}}{4}+h^{2}}$

or , The surface area of square Pyramid = $x^{2} + 2x\times \sqrt{\frac{x^{2}}{4}+l^{2}}$

Or, The surface area of square Pyramid = $18^{2} + 36\times \sqrt{\frac{18^{2}}{4}+15^{2}}$

Or, The surface area of square Pyramid = 324 + 36 × $\sqrt{81 + 225}$

or, The surface area of square Pyramid = 324 + 36 × 17.49

Or , The surface area of square Pyramid = 324 + 629.64 = 953.64 cm²

Hence The surface area of square pyramid is 953.64 cm² . Answer

8 0

4 years ago