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anastassius [24]
3 years ago
8

3(2x+14)divided by w-y if w=8,x=5,y=1 how do i solve this

Mathematics
1 answer:
Viktor [21]3 years ago
3 0
\frac{3 (2x + 14)}{w - y}
w = 8, x = 5, y = 1

You have to first substitute every variable into its spot in the equation.

<span>\frac{3 (2x + 14)}{w-y}
</span><span>\frac{3 (2*5 + 14)}{8 - 1}
</span>
Then solve.

\frac{3 (28)}{7} = \frac{84}{7} = 12 
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The area of a circle is 3.14 square meters. What is the circle's radius?
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1 m

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Population Growth Using 20th-century U.S. census data,
asambeis [7]

The population of Ohio will be 10 million in the year 1970

The population growth of Ohio is represented by the function:

P(t)=\frac{12.79}{1+2.402e^{-}0.0309t}

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t is the number of years since 1900

To find the year that the population of Ohio will be 10 million, substitute P = 10 into the function P(t) and solve for t

10=\frac{12.79}{1+2.402e^{-}0.0309t}\\\\10(1+2.402e^{-}0.0309t)=12.79\\\\1+2.402e^{-}0.0309t=\frac{12.79}{10} \\\\1+2.402e^{-}0.0309t=1.279\\\\2.402e^{-}0.0309t=1.279-1\\\\2.402e^{-}0.0309t = 0.279\\\\e^{-}0.0309t =\frac{0.279}{2.402} \\\\e^{-}0.0309t =0.116\\\\-0.0309t=ln0.116\\\\-0.0309t=-2.154\\\\t=\frac{-2.154}{-0.0309} \\\\t=69.7

t = 70 years (to the nearest whole number)

70 years after 1900 will be 1970

Therefore, the population of Ohio will be 10 million in the year 1970

Learn more here:  brainly.com/question/25504185

5 0
3 years ago
Can someone help me do this proof?
-BARSIC- [3]

statement. reasons

1. In tri.ABE AND TRI.DCE

I. angle D=angle A. I. corresponding angle

ii.angleC=angle B. II. correspondingangle

iii.angleE=angle E. iii.common angle

2.ABE~DCE. 2.By AAA.condition.

proved.

3 0
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Answer:

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36a^2-25b^2

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