4 years ago

Find the volume of the pyramid.

Mathematics

1 answer:

kolezko [41]4 years ago

8 0

Answer:

V=5

12tan(54°)ha2=5

12·tan(54°)·4·152≈516.14322

Step-by-step explanation:

Thanks me later

Hope this helps!!!

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The difference of twice a number and five is three. Find the num

Grace [21]

Answer:

add 5 then multiply by 1/2

Step-by-step explanation:

Twice a number is 2n.

The difference of twice a number and five 2n - 5.

The difference of twice a number and five is three. 2n - 5 = 3

2n - 5 = 3

2n - 5 + 5 = 3 + 5 (1) add 5

2n = 8

1/2*2n = 1/2*8 (2) multiply by 1/2

n = 4

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3 years ago

The black figure is an ellipse, and the black line segment is its major axis. What is the length of the blue line segment?

andrezito [222]

The answer is: A. 20.3

The explanation is shown below:

1. By definition, the sum of the length of the strings (The length of the blue segment and the length of the red segment) is equal to the length of the major axis (The black segment).

2. Based on this, you can write the following expression, where $x$ is the length of the blue segment:

$x+10.7=31$

3. Now, you must solve for $x$ , as following:

$x=31-10.7$

$x=20.3$

4. Therefore, the answer is the option A.

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4 years ago

What is the estimated standard error for a sample of n = 9 scores with ss = 288?

gladu [14]

The estimated standard error for a sample of n = 9 scores with ss = 288 is 2. Among your choices, it should be B; s2 = 36 and sM = 2.

Hope that helps!

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1 year ago

An increase in which of the following will decrease the monthly payment?

Sunny_sXe [5.5K]

Im going with A.Trade-in value

Hope this helps :)

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4 years ago

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Round each number to the place indicated. Draw a number line to support your decision.

Harlamova29_29 [7]

1) .24 2) 3.50 3) 8.10

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