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2 years ago

9

A)75÷3-10 B) -2 (4) -7 C) 3 (11 -9) +3

1 answer:

Sloan [31]2 years ago

3 0

A:15

B: -15

C: 9

I hope this helps

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What is the value of b in ax - by = -5

m_a_m_a [10]

Answer:

D,

Step-by-step explanation:

the is the value of b in ax -by =-5

D , cant isolate b

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3 years ago

Can someone tell me how to resolve this? Please....

trapecia [35]

Use the distributive property for the left side first
3.2=1/2q+5.65
subtract 5.65 from both sides
-2.45=1/2q
divide both sides by 1/2
q=-4.9

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3 years ago

Find the slope of the line that would be parallel to the given original line 3x+y=10

Arturiano [62]

The answer is 3. If the lines are parallel then they would have the same slope. :)

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3 years ago

Please answer now

Arada [10]

Step-by-step explanation:

too long

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2 years ago

Read 2 more answers

(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