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3 years ago

PLEASE HELP WILL GIVE BRAINLIEST IF CORRECT

Mathematics

2 answers:

avanturin [10]3 years ago

4 0

The correct answer is B

rusak2 [61]3 years ago

3 0

Answer:

To find the simple interest, we multiply 40000 × 0.12 × 10 to get that:

The interest is: $48000.00

Usually now, the interest is added onto the principal to figure some new amount after 10 year(s),

or 40000.00 + 48000.00 = 88000.00. For example:

If you borrowed the $40000.00, you would now owe $88000.00

If you loaned someone $40000.00, you would now be due $88000.00

Step-by-step explanation:

hope this helps!

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Pyramid A has a triangular base where each side measures 4 units and a volume of 36 cubic units. Pyramid B has the same height,

omeli [17]

Answer:

The volume of pyramid B is 81 cubic units

Step-by-step explanation:

Given

Pyramid A

$s = 4$ -- base sides

$V = 36$ -- Volume

Pyramid B

$s = 6$ --- base sides

Required

Determine the volume of pyramid B [Missing from the question]

From the question, we understand that both pyramids are equilateral triangular pyramids.

The volume is calculated as:

$V = \frac{1}{3} * B * h$

Where B represents the area of the base equilateral triangle, and it is calculated as:

$B = \frac{1}{2} * s^2 * sin(60)$

Where s represents the side lengths

First, we calculate the height of pyramid A

For Pyramid A, the base area is:

$B = \frac{1}{2} * s^2 * sin(60)$

$B = \frac{1}{2} * 4^2 * \frac{\sqrt 3}{2}$

$B = \frac{1}{2} * 16 * \frac{\sqrt 3}{2}$

$B = 4\sqrt 3$

The height is calculated from:

$V = \frac{1}{3} * B * h$

This gives:

$36 = \frac{1}{3} * 4\sqrt 3 * h$

Make h the subject

$h = \frac{3 * 36}{4\sqrt 3}$

$h = \frac{3 * 9}{\sqrt 3}$

$h = \frac{27}{\sqrt 3}$

To calculate the volume of pyramid B, we make use of:

$V = \frac{1}{3} * B * h$

Since the heights of both pyramids are the same, we can make use of:

$h = \frac{27}{\sqrt 3}$

The base area B, is then calculated as:

$B = \frac{1}{2} * s^2 * sin(60)$

Where

$s = 6$

So:

$B = \frac{1}{2} * 6^2 * sin(60)$

$B = \frac{1}{2} * 36 * \frac{\sqrt 3}{2}$

$B = 9\sqrt 3$

So:

$V = \frac{1}{3} * B * h$

Where

$B = 9\sqrt 3$ and $h = \frac{27}{\sqrt 3}$

$V = \frac{1}{3} * 9\sqrt 3 * \frac{27}{\sqrt 3}$

$V = \frac{1}{3} * 9 * 27$

$V = 81$

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3 years ago

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Sloving two-step equation

Sedaia [141]

Answer:

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Step-by-step explanation:

can i please have brainlyest have a good day

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3 years ago

Solve |-4b-8|+|-1-b^2|+2b^3. b= -2 show steps please .

evablogger [386]

Ok, first put in the -2 for each b. That gives:
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Let's do each section.
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Now we move on to |-1(-(-2))^2)|
First we do exponents
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Now the last section, 2(-2)^3
Exponents first: (-2)^3 is -2 * -2 * -2, which is -8.
-8*2=-16.
0+4+(-16)=-12

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Answer:

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Leo wants to paint a moral that covers a wall with an area of 1440 sq ft. the height of the wall is 2 fifths of its length. What

DerKrebs [107]

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