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mario62 [17]
2 years ago
7

Which pair of expressions is equivalent? 2(x + 5) and 2x + 10 B. 3x – 6 + 4x + 9 and 7x + 15 0. C. 4y - 2) and 4y - 2 0 D. 5y +

12 - 3y and 2y – 12​
Mathematics
1 answer:
kari74 [83]2 years ago
7 0

Answer:

A

Step-by-step explanation:

the equivalent pair of expression are 2(x+5)and 2x+10

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Consider the expression –3(y – 5)2 – 9 + 7y.
kolbaska11 [484]

Answer: Option 'B' and 'E' are correct.

Step-by-step explanation:

Since we have given that

-3(y-y)^2-9+7y

Simplification needs a few steps:

-3(y-5)^2-9+7y\\=-3(y^2+25-10y)-9+7y\\=-3y^2-75+30y-9+7y\\=-3y^2+37y-84

So, Option 'B' and 'E' are correct.

As Option 'B' says there are 3 terms in the simplified product, which is true.

3 0
3 years ago
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How to solve 2x - 3x/2 = -x + 1/3<br> PLZ HELP!
astraxan [27]
I got 2/3 .... Is it correct? Seems weird...
5 0
2 years ago
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Rewrite y + 3 = 0 using function notation.
Leni [432]
F(x) basically just substitutes the "y"
so you would bring everything over to one side
y + 3 = 0
subtract 3
y = -3
then 
f(x) = -3

That is B)
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3 years ago
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Jan had x color pencils in her box and shares them equally with her friend,Talia.Her brother gives her 2 more color pencils.Jan
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3 = X/2 + 2

1 = X/2

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Jan had 2 pencils to start off with. She gave half (1 pencil) to Talia. Her brother gave her 2, which means she ends up with 3.

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2 years ago
Sarah spends of her monthly take-home pay on rent, food, and clothing. If she earns $1,830 in take-home pay each month, how much
frosja888 [35]
Sarah spendings

We have that Sarah spends 2/3 of $1,830 in rent food and clothing

In order to find the money she spends, we just have to divide $1,830 in 3 and multiply the result by 2:

\begin{gathered} \frac{1830}{3}=610 \\ 610\cdot2=1220 \end{gathered}<h2>Answer - D. $1,220</h2>

3 0
1 year ago
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