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3 years ago

Use the distributive property to remove the parentheses

Mathematics

2 answers:

earnstyle [38]3 years ago

4 0

Answer:

12+3v

Step-by-step explanation:

Scorpion4ik [409]3 years ago

4 0

Answer:

Step-by-step explanation:

3(4 + v)

You must remember to multiply 3 by what is on either side of a +/- sign.

3*4 = 12

3*v = 3v

You cannot destroy the plus sign unless the letters are the same.

12 + 3v is the answer

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A retiree investment $6,000 in a saving plan that pays 4% per year what will the account balance be at the end of the first year

allsm [11]

Answer:

$6,240

Step-by-step explanation:

$6,000 x .04 = 240

$6,000 + 240 = $6,240

3 0

3 years ago

Solve the equation 14y+82=6x-20 for x if y is 25

Leni [432]

Answer:

x= 226/3 or 75.33333333333333333333333333333

Step-by-step explanation:

14y+82=6x-20

y=25

Sub y=25 into 14y+82=6x-20

14y+82=6x-20

14(25)+82=6x-20

Calculate as follows:

14(25)+82=6x-20

350+82=6x-20

432=6x-20

Add twenty to both sides:

432+20=6x-20+20

452=6x-0

452=6x

Divide both sides by 6

452=6x

452/6=6x/6

452/6=x

x= 226/3 or 75.33333333333333333333333333333

8 0

3 years ago

The distance between the points (12,9) and (0,4) is A) 14 units B) 13 units C) 15 units D) 16 units

Juliette [100K]

Answer:

Option B 13 units is correct.

Step-by-step explanation:

The formula used to find distance between 2 points is:

$d(P1,P2)=\sqrt{(x_{2} -x_{1})^2 + (y_{2} -y_{1})^2 }$

x₁ = 12 x₂ = 0 y₁= 9 and y₂=4

Putting values in the formula:

$=\sqrt{(0-12)^2+(4-9)^2}\\=\sqrt{(-12)^2+(-5)^2}\\=\sqrt{144+25} \\=\sqrt{169} \\=13$

So, Option B 13 units is correct.

6 0

3 years ago

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uysha [10]

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4 years ago

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Alex787 [66]

$\bf \qquad \qquad \textit{inverse proportional variation}
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\textit{\underline{y} varies inversely with \underline{x}}\qquad \qquad y=\cfrac{k}{x}\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad variation
\end{array}\\\\
-------------------------------\\\\
\stackrel{\textit{\underline{h}ours to wash a car, is inversely proportional to \underline{s}tudents working on it}}{h=\cfrac{k}{s}}$

3 0

3 years ago