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PSYCHO15rus [73]

4 years ago

12

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1 answer:

antiseptic1488 [7]4 years ago

4 0

She would earn $7.80 per day

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Helen got an 95% on her math quiz. She had 38 questions right. How many questions were on the quiz?

Serjik [45]

Answer:

45 is right answer. ..... . .......

4 0

3 years ago

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What is the difference of the two polynomials? (9x2 + 8x) – (2x2 + 3x) A 7x2 + 5x B.7x2 + 11x C.11x2 + 5x D.11x2 + 11x

xxTIMURxx [149]

we have

$(9x^{2} + 8x)-(2x^{2} + 3x)$

Remove parentesis

$9x^{2} + 8x-2x^{2} -3x$

Combine like terms

$9x^{2} -2x^{2} + 8x -3x$

$7x^{2} + 5x$

therefore

<u>the answer is</u>

$7x^{2} + 5x$

3 0

3 years ago

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Find the product. - mnp (3 m - 5 n + 7 p ) -3 m2np + 5 mn2p - 7 mnp2 -3 mnp + 5 mnp - 7 mnp -3 m + 5 n2+ 7 p2 3 mnp - 5 mnp + 7

uysha [10]

Answer:

9mnp

Step-by-step explanation:

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3 years ago

What is the axis of symmetry of y=x^2+4x-5

mylen [45]

X= 2 is the axis of symmetry

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4 years ago

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Janko measures 162 cm and his father 180 cm.The father is abaut % higher than Janko

Vesnalui [34]

Answer:

10%

Step-by-step explanation:

180-162=18

180/18=10

=10%

3 0

3 years ago