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2 years ago

How do you calculate the volume for this shape

Mathematics

1 answer:

Bingel [31]2 years ago

3 0

Answer:

The formula A=12bh is used to find the area of the top and bases triangular faces, A= area, b= base, and h= height. The formula A=lw is used to find the area of the three retangular side faces, A= area, l= lenght, and w= width

Step-by-step explanation:

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Answer:

Step-by-step explanation:

B gives you 8/12, which can be simplified down to 2/3.

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Suppose a population has a doubling time of 25 years. By what factor will it grow in 25 years? 50 years? In 100 years?

rewona [7]

Answer:

2,4, and 8.

Step-by-step explanation:

If the population has a doubling time of 25 years, that means that in 25 years the population will double. So for 25 years, the factor will be 2. For 50 years, the factor would be 2x2, which is 4. For 100 years, it is 4x2 which is a scale factor of 8.

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3 years ago

What is the area of rhombus ABCD? Enter your answer in the box. Do not round at any steps.

Sladkaya [172]

Answer:

16 square units.

Step-by-step explanation:

We know that any diagonal of a rhombus divides the rhombus into two equal parts having the same area.

Now. the area of Δ ABC can be calculated from the coordinates of its three vertices.

Here, A(-1,4), B(3,2) and C(-1,0) are given.

Hence, the area of Δ ABC will be

$\frac{1}{2} |-1(2-0)+3(0-4)-1(4-2)|= \frac{1}{2}|-2-12-2|= 8$ square units.

Therefore, area of the rhombus will be (8 × 2) = 16 square units. (Answer)

Note: If the three vertices of a triangle ABC are given to be (x1,y1), (x2,y2), and (x3,y3), then area of the triangle will br given by

$\frac{1}{2} |x1(y2-y3) +x2(y3-y1)+ x3(y1-y2))|$ .

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