3 years ago

$8.00 divided by 1/4

Mathematics

1 answer:

vazorg [7]3 years ago

5 0

The answer is 32, because when you divide by a fraction you have to multiply the number by it's reciprocal.

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tigry1 [53]

Answer:

2. the slope is -10 and y-intercept is 1

Step-by-step explanation:

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2 years ago

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Write an expression equivalent to -9y + 2x + 3 - 7x + 4y.

inessss [21]

Answer:

-5y - 5x + 3 EASY MATH

Step-by-step explanation: Because its just easy

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3 years ago

A circle with radius 6 has a sector with a central angle of 48º.

VARVARA [1.3K]

Answer:

Area of the sector = pi*(6^2)*(48/360)=4.8*pi= 15.079

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3 years ago

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Radius OA of circle O has a slope of 2.5. What is the slope of the line tangent to circle O to point A?

mixer [17]

The tangent at A is perpendicular to OA, so has a slope that is the negative reciprocal of that of the radius: -1/2.5 = -2/5.

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3 years ago

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the density of a certain material is such that weighs 6900 grams for every 4.5 quarts of volume express this density in pounds p

dlinn [17]

Answer:

$d=101.4\ \text{pounds}/\text{feet}^3$

Step-by-step explanation:

Given that,

Mass of material, m = 6900 grams

Volume of the material, V = 4.5 quarts

We need to find the density in pounds per cubic foot

We know that,

1 pound = 453.59 grams

⇒ 6900 grams = 15.21 pounds

Also, 1 cubic foot = 29.92 quarts

4.5 quart = 0.15 feet³

Density = mass/volume

$d=\dfrac{15.21\ \text{pounds}}{0.15\ \text{feet}^3}\\\\d=101.4\ \text{pounds}/\text{feet}^3$

Hence, the density of the material is $101.4\ \text{pounds}/\text{feet}^3$

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3 years ago