3 years ago

Can you please tell me what is -49cd – 7c

Mathematics

1 answer:

REY [17]3 years ago

8 0

Answer:-7c(7d+1)

Step-by-step explanation:

factor -7c out of -49cd-7c

(factor the expression)

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Jason is training to run in a marathon. His goal for this week is to run a minimum of 330 miles. So far this week, he has alread

Artemon [7]

Answer:

4m ≥ 330 - 15

Step-by-step explanation:

Given that :

Target of the week = ≥ 330 miles

Total distance already covered = 15 miles

Number of miles, m required each day for 4 more days

Distance already covered + number of days left * miles (m) ≥ 330 miles

15 miles + 4m ≥ 330 miles

4m ≥ 330 - 15

4m ≥ 315

m ≥ 315 / 4

m ≥ 78. 75 miles

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3 years ago

Write the following proportion:<br> 8 is to 64 as 2 is to X

Andrews [41]

1 way
$\frac{8}{64} = \frac{2}{x} \\ \\ 
 \frac{8:4}{64:4} = \frac{2}{x} \\ \\ 
 \frac{2}{16} = \frac{2}{x}$ ⇔ x = 16
......................................................
2.way
$\frac{8}{64} = \frac{2}{x}$
<span>We multiply the cross
</span>
$8x = 2 * 64
8x = 128
x = 16$

3 0

3 years ago

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Answer:

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Step-by-step explanation:

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