3 years ago

20 points What factors contributed to post-war prosperity in the U.S.?

1 answer:

6 0

One reason is that many of the war veterans is that they would come back to jobs that do not exist anymore. I'm sorry this is all I can think of.

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(11/x^2-25)+(4/x+5)= 3/x-5

Ierofanga [76]

$\bf \textit{difference of squares}
\\ \quad \\
(a-b)(a+b) = a^2-b^2\qquad \qquad 
a^2-b^2 = (a-b)(a+b)\\\\
-------------------------------\\\\
\cfrac{11}{x^2-25}+\cfrac{4}{x+5}=\cfrac{3}{x-5}\implies \cfrac{11}{x^2-5^2}+\cfrac{4}{x+5}=\cfrac{3}{x-5}$

$\bf \cfrac{11}{(x-5)(x+5)}+\cfrac{4}{x+5}=\cfrac{3}{x-5}\impliedby 
\begin{array}{llll}
\textit{notice, LCD is }(x-5)(x+5)\\
\textit{so let's multiply all by it}\\
\textit{to toss the denominators}
\end{array}$

$\bf (x-5)(x+5)\left( \cfrac{11}{(x-5)(x+5)}+\cfrac{4}{x+5} \right)=(x-5)(x+5)\left( \cfrac{3}{x-5} \right)
\\\\\\
11+4(x-5)=3(x+5)\implies 11+4x-20=3x+15
\\\\\\
4x-9=3x+15\implies x=24$

8 0

3 years ago

PLS HELP ME RN I AM FAILING AND NEED HELP ITS PYTHAGOREAN THEOREM

jekas [21]

Answer:

9.89949 or 9.9

Step-by-step explanation:

7^2 + 7^2 = c^2

49+49=98

square root of 98 = 9.89949

5 0

3 years ago

Read 2 more answers

What is 2+ (-3)(4)= (-10)

Leviafan [203]

Answer:

2+−3×4=−10

2−12=−10

−10=−10

Infinitely Many Solutions

3 0

3 years ago

The product of the following expression is 34,572 .

alekssr [168]

The answer of you question is 86

6 0

3 years ago

3 times the sum of 5 times a number and 4 is 7 times the difference twice the number and 5, what is the number?

Citrus2011 [14]

Answer:

x=-47

Step-by-step explanation:

3(5x+4)=7(2x-5)

15x+12=14x-35

x+12=-35

x=-47

3 0

3 years ago