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aev [14]
2 years ago
10

Evaluating expressions please help

Mathematics
1 answer:
MAXImum [283]2 years ago
6 0

Answer:

-15

Step-by-step explanation:

-1-7*(2)=-1-14=-15

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Solve each question -15=7n+8n=
patriot [66]

Answer:

<em>-</em><em>1</em><em>5</em><em> </em><em>=</em><em> </em><em>7</em><em>n</em><em> </em><em>+</em><em> </em><em>8</em><em>n</em>

<em>-</em><em>1</em><em>5</em><em> </em><em>=</em><em> </em><em>1</em><em>5</em><em>n</em>

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3 years ago
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4 0
3 years ago
Find the simple interest earned to the nearest cent for each principal, interest rate, and time. $300, 5%, 2 years
Olegator [25]

Answer:

<u><em>$330</em></u>

Step-by-step explanation:

Since it is simple interest. You would do 300*.05 which would be 15 than since it is simple interest you would do it again and get 15 again. Therefore you would have $330.

6 0
3 years ago
Is 5z,5x,5y a like terms or unlike terms
yarga [219]

Step-by-step explanation:

5z, 5x and 5y are all unlike terms.

If there was something like <em><u>5z</u></em> + 5x <em><u>-</u></em><em><u> </u></em><em><u>3z</u></em> + 5y, then both 5z and -3z have something in common and so therefore are said to be like terms.

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7 0
2 years ago
Solve the system of equations -5y-10x=45. -3y+10x=-5 x= y=
yKpoI14uk [10]

Answer:

x  = -2

y = - 5

Step-by-step explanation:

-5y - 10x = 45

-3y + 10x = -5

------------------------Add

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15 + 10x = -5

10x = -20

  x = -2

Answer

x  = -2 and y = - 5

8 0
3 years ago
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