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drek231 [11]
3 years ago
8

I need equivalent expression to this x+x+x+2

Mathematics
1 answer:
melisa1 [442]3 years ago
5 0
The X, is added together 3 times but can just be multiplied by 3 since it’s the same variable. The 2 must remain Uncombined because it cannot join the unknown variable (x). Answer is 3x+2
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What's a triangle with 3 acute angles
MAVERICK [17]
A triangle is scalene if all of its three sides are different (in which case, the three angles are also different). If two of its sides are equal, a triangle is called isosceles. A triangle with all three equal sides is called equilateral
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3 years ago
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a college freshman started the year with $4000 in spending money and after three months,she has $2800 left.assume that she will
gulaghasi [49]
Let's find out how much she spent every month.

4000 (starting money) - 2800 (remaining money) = 1200 spent over 3 months

1200/3 = 400 per month was spent

So if she continues to spend 400 a month?

How many months are left? 12 (months of the year) - 3 (months she already spent) = 9

So 9 (remaining months) * 400 (amt per month) = 3600 she'll spend at the going rate over 9 months.

But she only has 2800 left.

2800 (remaining) - 3600 (estimated total of spending) = -800

So she will be 800$ in debt at the end of the year at the current rate.
3 0
3 years ago
Kevin picked 13 more apples than Andy If Kevin picked 30 apples how many did Andy pick?
skad [1K]
The answer is 17. 30-13=17.

4 0
3 years ago
2. A family eats at a restaurant. The bill is $58.
Taya2010 [7]

Answer:

$10.15

Step-by-step explanation:

68.15 - 58 = 10.15

5 0
2 years ago
Read 2 more answers
Simplify (-3c^-3w^5)^3<br> A -9w^8<br> B. -27cw^8<br> C. w^15/27c^9<br> D.-27w^15/c^9
kenny6666 [7]

Answer:

\large\boxed{D.\ \dfrac{-27w^{15}}{c^9}}

Step-by-step explanation:

(-3c^{-3}w^5)^3\qquad\text{use}\ (ab)^n=a^nb^n\\\\=(-3)^3(c^{-3})^3(w^5)^3\qquad\text{use}\ (a^n)^m=a^{nm}\\\\=-27c^{-3\cdot3}w^{5\cdot3}=-27c^{-9}w^{15}\qquad\text{use}\ a^{-n}=\dfrac{1}{a^n}\\\\=-27\left(\dfrac{1}{c^9}\right)w^{15}=\dfrac{-27w^{15}}{c^9}

4 0
3 years ago
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