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3 years ago

Explain how you could calculate the surface area of a square pyramid.

Mathematics

2 answers:

Damm [24]3 years ago

6 0

Find the area of the base of the pyramid, then find the area of each side then add the areas. hope this help :)

lawyer [7]3 years ago

3 0

Sample Response: You would first calculate the area of the base, which is length times width. You would then calculate the area of the faces, which is 1/2 (base times height) and multiply the result by 4 for the 4 faces. Finally, add the area of the base and the areas of the faces.

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-2x + y=9 -4x - y=9 What is the answer

Dmitry_Shevchenko [17]

-2x + y = 9

-4x - y = 9

----------------- +

-6x = 18

x = -3

-2x + y = 9

-2(-3) + y = 9

6 + y = 9

y = 3

3 0

3 years ago

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3. Given f(x) = -2 and g(x) = 5x - 6, find h(x) = f(x) · g(x).

olga_2 [115]

Answer:

h (x) = f (x).g (x)

 = (-2)(5x-6)

 = -10x + 12

#$# THANK YOU #$#

6 0

3 years ago

Subtract. 5/23 - 4/23 (Type an integer or fraction.)

ad-work [718]

Answer:

1/23

Step-by-step explanation:

5/23 - 4/23 would be 1/23. When the denominators of the fractions are the same, you can just subtract the numerators.

7 0

3 years ago

Can someone please answer. There is one problem. There's a picture. Thank you!

Mnenie [13.5K]

Use the Sine Law: $\frac{sin(A)}{a} = \frac{sin(B)}{b} = \frac{sin(C)}{c}$

In this case:
$\frac{sin(44)}{17}=\frac{sin(60)}{e}$
therefore:
$e=17\frac{sin(60)}{sin(44)} \approx 21.2$

6 0

3 years ago

The difference of twelve times a number and nine times a number

inna [77]

Since the problem states "a number" and again "a number", I assume it;'s the same number. Let the number be x.

12x - 9x = 3x

The difference of twelve times a number and nine times a number is three times the number.

6 0

3 years ago

Read 2 more answers