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MrRissso [65]
3 years ago
15

Help! I don't know how to do this, you could explain or help pls pls pls(2x2+7x−4)+(−10x−4)​

Mathematics
1 answer:
Alexxandr [17]3 years ago
6 0

Answer:

=-(3x+4)

Step-by-step explanation:

(2x2+7x−4)+(−10x−4)

=(4-4+7x)-(10x+4)

=7x-10x-4

=-3x-4

=-(3x+4)

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How many pairs of whole numbers have a sum of 40
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39+1
38+2
37+3
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PLS HELP! ASAP!<br><br> Find the value of x in the triangle below
Aloiza [94]

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the answer is 56

Step-by-step explanation:

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7 0
2 years ago
Find the point-slope equation for the line
rusak2 [61]

Answer:

y-10=5(x-15)

Step-by-step explanation:

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3 0
3 years ago
Suppose the population of a certain city is 5831 thousand. It is expected to decrease to 5204 thousand in 50 years. Find the per
SVEN [57.7K]

Answer:

The percent decrease is approximately 10.75\%

(Don't know what you are expected to round to.)

Step-by-step explanation:

Percent change can be calculated by doing:

\frac{\text{original}-\text{new}}{\text{original}}

Then you multiply the result to covert it to a percentage.

Let's use this formula:

\frac{5831 \text{thousand}-5204 \text{ thousand }}{5831 \text{thousand}}

\frac{\text{thousand}}{\text{thousand}} \cdot \frac{5831-5204}{5831}

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\frac{627}{5831}

0.1075 approximately

Now the answer as a percent is 10.75\% approximately.

The percent decrease is approximately 10.75\%

3 0
3 years ago
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