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2 years ago

Translate the equation into written algebraic sentence 8x=4x-7

Mathematics

1 answer:

Rzqust [24]2 years ago

7 0

Answer:

x = -7/4

Step-by-step explanation:

"Eight times a number equals 4 times that number less 7."

Subtracting 4x from both sides of this equation, we get:

4x = -7

Dividing both sides of this result by 4 yields

x = -7/4

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Why are there 27 cubic feet in one cubic yard

kobusy [5.1K]

One cubic yard is equal to 27 cubic feet because one yard is equal to 3 feet

Solution:

Given that, there 27 cubic feet in one cubic yard

Yard and feet are units of distance

1 Yard (yd) is equal to 3 feet (ft). To convert yards to feet, multiply the yard value by 3.

The conversion factor for 1 yard to 1 feet is given as:

$1 \text{ yard } = 3 \text{ foot }$

Now find for 1 cubic yard . Cubic yard means yard raised to power 3

Therefore,

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Thus one cubic yard is equal to 27 cubic feet

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2 years ago

Suppose the heights of the members of a population follow a normal distribution. If the mean height of the population is 68 inch

Irina18 [472]

The empirical rule states that at 95% the measurements would be within 2 standard deviations of the mean.

You are given a mean of 68 inches and a standard deviation of 4.

2 times the standard deviation = 2 x 4 = 8

So 95% of the heights would be between 68-8 = 60 inches and 68+8 = 76 inches.

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2 years ago

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Solve the equation show work 4=2/9(4y-2)

TiliK225 [7]

Your answer is: y=5

Here are the steps:

4=2/9(4y-2)
=2/9(4y-2)=4
=9*2/9(4y-2)=4*9
=2(4y-2)=36
=2(4y-2)/2=36/2
=4y-2=18
=4y-2+2=18+2
=4y=20
=4y/4=20/4
=y=5

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tino4ka555 [31]

Answer:

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Step-by-step explanation:

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