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ch4aika [34]
2 years ago
14

Write the following using algebraic notation using x as the unknown number:

Mathematics
1 answer:
andrew11 [14]2 years ago
3 0
2X-9 is this what you wanted
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2.) Combine like terms and simplify the expression: 2x +<br> 5y+ 7x<br> Your answer
SashulF [63]

Answer:

9x + 5y

Step-by-step explanation:

Here, in 2x + 5y+ 7x,   the 'like terms' are 2x and 7x, and the sum of these terms is 9x.  Thus, 2x + 5y+ 7x becomes 9x + 5y.

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3 years ago
If the side length of a cube is 40 what is the surface area
Elodia [21]
A cube has 6 sides.

A cube is all made up of squares.

So, we need to find the area of one cube and multiply that by 6.

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40*40= 1,600

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Whatever the unit is after that: in, feet, cm, m, etc- put that after the number with ^2.

9,600 (the unit) ^2

I hope this helps!
~kaikers
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2 years ago
What values of y satisfy this equation?<br><br> 3y - 14 = 16
TiliK225 [7]

Answer:

By making y alone

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3y-14=16

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3y=  30

divide 3 on both sides

y=10

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3 years ago
A fast food restaurant offers a bonus to each meal purchased. The bonus could be a free ice cream, pop, or fries. The owner want
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Answer:123456789/j

Step-by-step explanation:

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