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Leno4ka [110]
3 years ago
6

I need some questions for grade 8 for algebraic manipulation

Mathematics
1 answer:
ki77a [65]3 years ago
6 0

Answer:

x + y + z + 13 ÷ m has

A. one term

B. two term

C. three term

D. four term

-2x + 5 + 10x - 9

3(x + 7) + 2(-x + 4) + 5x

6+3x-5y+7x-6y+2

2x - 8 = -x + 4

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adam drove 280 miles in 4 hours . on average, how fast did he drive in hours per mile ? Express your answer in simplest form
Ivan

Answer:

Step-by-step explanation:

\frac{4 hours}{280 miles}

\frac{1 hour}{70 miles}

5 0
3 years ago
I need help with this if you get it right I will mark you
dlinn [17]

Answer:

18

Step-by-step explanation:

formula= A=v/h

5 0
3 years ago
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7 over 14 in its simplest form
eduard

Answer:

1/2

Step-by-step explanation:

Half of 14 is 7 therefore it is 1/2

3 0
3 years ago
4n -6 = 10n <br> Simplify.
pentagon [3]

-----------------------------------------------------------------------------------------------------------------

<em>Answer: </em><u>n = -1</u>

-----------------------------------------------------------------------------------------------------------------

add 6 to both sides of the equation.

4n − 6 = 10n

4n − 6 + 6 = 10n + 6

-----------------------------------------------------------------------------------------------------------------

simplify.

<em>(add the numbers)</em>

4n − 6 + 6 = 10n + 6

4n = 10n + 6

4n = 10n + 6

-----------------------------------------------------------------------------------------------------------------

subtract 10n from both sides.

4n − 10n = 10n + 6 − 10n

-----------------------------------------------------------------------------------------------------------------

simplify. (again)

<em>(combine like terms)                                          (combine like terms)</em>

4n − 10n = 10n + 6 − 10n<em>                                 </em>   −6n = 10n + 6 − 10n

−6n = 6

-----------------------------------------------------------------------------------------------------------------

divide both sides by the same term.

−6n/−6 = 6/-6

n = 6/−6n = 6/−6

-----------------------------------------------------------------------------------------------------------------

simplify. <em>(again)</em>

<em></em>

<em>(cancel terms that are in both the numerator and denominator)</em>

<em />

n = 6/−6

<em>(divide the numbers)</em>

<em />

n = 6/−6

<u>n = 1</u>

-----------------------------------------------------------------------------------------------------------------

8 0
3 years ago
Read 2 more answers
if a 6 aided die is rolled 5 times and rolling a 2 is considered to be a success what are the chances of rolling exactly 3 succe
seraphim [82]
1/6 of a chance:)

(I think..........)












5 0
3 years ago
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