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marishachu [46]

3 years ago

9

Factor completely. 9x2 + 9x -28

1 answer:

Maru [420]3 years ago

4 0

$9 x^{2} + 9x -28
$
$(3x+ 7) (3x-4)$

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Gerard has $30 to spend on lunches this month. Lunch costs him $1.50 each day. After Gerard buys lunch for 8 days, which stateme

Harrizon [31]

What i did is that i did $1.50 time 8 = $12.00 and then do $30.00-12.00=$18.00

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Parallelogram ABCD is similar to the parallelogram EFGH. What is the length of GH?

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Step-by-step explanation:

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What is the change in elevation from -87.2 Feet to 33.6 Feet?

allochka39001 [22]

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What is the simplified form of x+6 over x+4 + x-3 over 3

Zigmanuir [339]

1 Cancel <span>33</span>
<span>x+\frac{6}{x}+4+x-1<span>x+<span><span>x</span><span>6</span><span></span></span>+4+x−1</span></span>
2 Collect like terms
<span>(x+x)+\frac{6}{x}+(4-1)<span>(x+x)+<span><span>x</span><span>6</span><span></span></span>+(4−1)</span></span>
3 Simplify
<span><span>2x+\frac{6}{x}+3<span>2x+<span><span>x</span><span>6</span><span></span></span>+3</span></span><span>
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7 0

3 years ago

Your school is 20 blocks east and 12 blocks south of your house. The mall is 10 blocks north and 7 blocks west of your house. Yo

salantis [7]

Answer:

3.5 miles

Step-by-step explanation:

The straight line distance from the school to the mall is found using the Pythagorean theorem. That distance is the hypotenuse of a triangle that is 27 blocks in the east-west direction and 22 blocks in the north-south direction.

d = √(27^2 +22^2) = √1213 ≈ 34.83 . . . blocks

Since each block is 0.1 miles, the distance in miles is ...

distance to mall = (0.1 miles/block)(34.83 blocks) = 3.483 miles

Rounded to tenths, the distance from school to mall is 3.5 miles.

8 0

3 years ago