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3 years ago

What is the volume of a right triangular pyramid whose base is 5 meters on each side and whose altitude is 4 meters?

Mathematics

1 answer:

algol133 years ago

7 0

Answer: 10 for each side but in total is 20

Step-by-step explanation: u multiply 5 x 4 = 20 divided by 2 to get 10 meters and another is 4 divided by 2 is 2 x 5 is 10 meters times 2 is 20 total

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Test the claim that the proportion of people who own cats is significantly different than 90% at the 0.1 significance level.

miss Akunina [59]

Answer:

The right answer is Option B:

$H_0: \pi=0.9\\\\H_1: \pi\neq0.9$

Step-by-step explanation:

In this case we have to perform a hypothesis test on the proportion of the people owning cats.

The claim is that the proportion is significantly different than 905, what means it can be greater or smaller than 90% to reject the null hypothesis. Because of that, the null hypothesis has to state an equality (H0:p=0.9).

The right answer is Option B:

$H_0: \pi=0.9\\\\H_1: \pi\neq0.9$

4 0

3 years ago

The pyramid shown has a square base that is 24 inches on each side. The slant height is 20 inches. What is the surface area of t

wlad13 [49]

About 1695.54 is the answer.

3 0

4 years ago

A number plus itself, plus twice itself, plus 4 times itself is equal to -104

NARA [144]

The scenario will will be represented by: $x+x+2x+4x=-104$

The number will be -13

Step-by-step explanation:

We have to convert the given situation into the mathematical form

Let x be the number

Then

"a number plus itself"

x+x

"plus twice itself"

x+x+2x

"plus 4 times itself"

x+x+2x+4x

"is equal to -104"

$x+x+2x+4x=-104$

This can also be written as:

$x+x+2x+4x=-104\\8x=-104\\Dividing\ both\ sides\ by\ 8\\\frac{8x}{8}=\frac{-104}{8}\\x=-13$

Keywords: Linear Equation

Learn more about linear equation at:

#LearnwithBrainly

7 0

3 years ago

Sam kayaks on a river near his home. He plans to kayak a total of 6.4 miles. Sam kayaks at an average speed of 1.6 miles per hou

OleMash [197]

Answer: it will only take jime 30 min

Step-by-step explanation:

3 0

3 years ago

A rectangle is 12.5 m wide and 18.24 m long.<br><br> What is the area of the rectangle?

Ivan

Area=228
A=W*L
A=12.5*18.24

3 0

3 years ago