4 years ago

Does anyone know (3/4) to the power of -2?

Mathematics

1 answer:

german4 years ago

4 0

1.77777778 is the answer

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Write an expression to describe the situation.

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Deron recorded his heart rate as 204 beats in 3 minutes. What is the unit rate in beats per minute?

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204/3 = 68
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A candle manufacturer sells cylindrical candles in sets of three. Each candle in the set is a different size. The smallest candl

dem82 [27]

Answer:

A. 27 π cubic inches

Step-by-step explanation:

The volume of a cylinder is calculated using the formula;

$Volume=\pi r^2h$

From the given information, the smallest candle has a radius of 0.5 inches and a height of 3 inches.

We substitute $r=0.5$ and $h=3$ into the given formula.

The vlume of the smallest candle is

$Volume=\pi \times0.5^2\times 3$

$Volume=\frac{3}{4}\pi in^3$

from the given information, the other two candles are scaled versions of the smallest, with scale factors of 2 and 3.

The volume of the other two candles will be $2^3\times \frac{3}{4}\pi=6\pi in^3$ and $3^3\times \frac{3}{4}\pi=\frac{81}{4}\pi in^3$

The wax needed to create one set of candle is

$\frac{3}{4}\pi+6\pi+\frac{81}{4}\pi=27\pi\: in^3$

The correct answer is A

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4 years ago

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Six times a number minus five is less than twice the number plus ten

kondaur [170]

6a-5<2a+10
4a<15
a<15/4

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3 years ago

What is the equation in point-slope form of the line passing through (3, 6) and (−2, 1)?

djverab [1.8K]

(3,6)(-2,1)
slope = (1 - 6) / (-2 - 3) = -5/-5 = 1

point slope form : y - y1 = m(x - x1)
slope(m) = 1
(3,6)....x1 = 3 and y1 = 6
now we sub
y - 6 = 1(x - 3) <===

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3 years ago

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