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stiv31 [10]
2 years ago
6

Graph the equationy=-(x+2)^2+7​

Mathematics
1 answer:
ELEN [110]2 years ago
7 0

Step-by-step explanation:

Distribute:

=−x2+−4x+−4+7

Combine Like Terms:

=−x2+−4x+−4+7

=(−x2)+(−4x)+(−4+7)

=−x2+−4x+3

Answer:

=−x2−4x+3

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The numerator of fraction is 1 less then its denominator if the numerator is increased by 5 the new fraction becomes equivalent
jek_recluse [69]

Answer:

4/5

Step-by-step explanation:

the numerator of fraction is 1 less than its denominator. If the numerator is increased by 4 and the denominator is increased by 5, the new fraction becomes equivalent to 4/5. what is the original fraction?

Let n = numerator

d = denominator

n = d - 1

\frac{d - 1}{d}

\frac{d - 1 + 4}{d + 5} = \frac{4}{5}

\frac{d + 3}{d+ 5} = \frac{4}{5}

cross multiply

5(d + 3) = 4(d + 5)

5d + 15 = 4d + 20

d = 5

n = d - 1

5 - 1 = 4

original fraction 4/5

8 0
2 years ago
A company needs to replace 27 out of 45 desks in their office. What percent of the desks need to be replaced?
sleet_krkn [62]
60%

Solve by creating a proportion
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Cross multiply to get 2700=45x

Divide 45 on both sides to get x=60
6 0
2 years ago
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lesantik [10]

Answer: hiiii

Step-by-step explanation:

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2 years ago
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What error did anna make?
Lapatulllka [165]

Answer:

The last option

Step-by-step explanation:

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