3 years ago

How can a number line be used to model whole number addition and subtraction

1 answer:

8 0

2-1=?

If you imagine the number you are subtracting from (2) as a point on a number line, you can add or subtract from that point in whole spaces to end up at you new answer.

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Solve for "X"<br> 4x – 0 = 12<br> hurry

soldier1979 [14.2K]

Step-by-step explanation:

4x-0=12

4x=12divide both sides by 4

x=3

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3 years ago

The bristles on a Chinese writing brush are 70% rabbit hair and 30% goat hair. What fraction of the bristles is goat hair?

Nataliya [291]

30/100...because it says that it's 30 percent

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3 years ago

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Which expression is equivalent to the expression below?<br><br> 15 + 10x - 14x - 9

pychu [463]

Answer:

The last expression 9.

Step-by-step explanation:

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2 years ago

If fg = 2 units, fi = 7 units, and hi = 1 unit , what is gh

Vikentia [17]

See the picture to better understand the problem

F________G_______H_______I

we know that
FI=FG+GH+HI-----> solve for GH
GH=FI-FG-HI
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FG=2 units
HI=1 unit
substitute
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the answer is
GH=4 units

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3 years ago

Find the distance between k (9,2) and L (-3,9) to the nearest tenth

just olya [345]

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