2 years ago

What is the volume of a square pyramid that is 8 feet tall with base edges of 3 feet?

1 answer:

8 0

Answer : 8 ft
Explanation :
You can find the volume of a regular square pyramid using the formula volume = base area × height / 3. Hope it helps.

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The area of the trapezoid

ELEN [110]

Answer:

Step-by-step explanation:

The formula of an area of a trapezoid:

$A=\dfrac{b_1+b_2}{2}\cdot h$

b₁, b₂ - bases

h - height

We have b₁ = 10in, b₂ = 5in and h = 11in. Substitute:

$A=\dfrac{10+5}{2}\cdot11=\dfrac{15}{2}\cdot11=7.5\cdot11=82.5\ in^2$

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3 years ago

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A tree is making a shadow 22 feet long. The angle of elevation from the tip of

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Answer:

26.2 feet

Step-by-step explanation:

tan(50°) = h/22

h = 22 × tan(50°) = 26.2 feet

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2 years ago

If you have a population standard deviation of 9 and a sample size of 144, what is your standard error of the mean?

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So your answer would be 1296

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3 years ago

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Patsy has cheerleading practice every fourth day. She wants to be in the school play but they have practice every sixth day

vlabodo [156]

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Step-by-step explanation:

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3 years ago

What is the slope of 2x+3y=15

Fynjy0 [20]

Note that the slope-intercept form is: y = mx + b

First, set the equation as such

2x (-2x) + 3y = (- 2x) + 15

3y = -2x + 15

Isolate the y. Divide 3 from both sides

(3y)/3 = (-2x + 15)/3

y = (-2/3)x + 5

-2/3 is your slope

hope this helps

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3 years ago