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3 years ago

I need help solving this math problem, step by step and the answer (72/-2)^2

Mathematics

2 answers:

MaRussiya [10]3 years ago

6 0

$( \frac{ - 72}{2} )^{2} \\ = \frac{ - 72 \times - 72}{2 \times 2} \\ = \frac{5184}{4} = 1296$

<h3>The answer is 1296.</h3>

NNADVOKAT [17]3 years ago

4 0

the answer of the equation is 1296

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3 years ago

The surface are of a cylinder is given by the formula SA=2pir^2+2pirh,where r is the radius of the base of the cylinder and h is

UNO [17]

Answer:

$h=\frac{SA}{2\pi r}-r$

Step-by-step explanation:

The surface area of a cylinder is equal to

$SA=2\pi r^{2} +2\pi rh$

Solve for h

That means ----> isolate the variable h

subtract 2πr² both sides

$(SA-2\pi r^{2})=2\pi rh$

Divide by 2πr both sides

$\frac{SA-2\pi r^{2}}{2\pi r}=h$

Rewrite

$h=\frac{SA-2\pi r^{2}}{2\pi r}$

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3 years ago

Find the measure of each angle.<br><br><br>If m∠EBC = 55° and m∠EBD = 20°, find m∠2

weeeeeb [17]

Using the angle addition theorem, the measure of angle 2 in the given diagram is: m∠2 = 35°

<h3>What is the Angle Addition Theorem?</h3>

Based on the angle addition theorem, the sum of two smaller angles that make up a bigger angle equals the sum of the bigger angle.

Given the following:

m∠EBC = 55°
m∠EBD = 20°

m∠EBC = m∠EBD + m∠2 [angle addition theorem]

Substitute

55 = 20 + m∠2

m∠2 = 55 - 20

m∠2 = 35°

Learn more about the angle addition theorem on:

brainly.com/question/13545681

#SPJ1

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2 years ago