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3 years ago

5

Which product is negative?

1 answer:

sveticcg [70]3 years ago

5 0

When I had these kinds of problems, I'd count how many negatives there were. If there more or less negatives to positives, then it is negative. If there's the same amount of positives and negatives, then it's positive since they cancel out! The answer to this is A. (-2)(-4)(8)(-1)=-64.

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How to do this question plz answer me

Sati [7]

Answer:

$d = \frac{4 - 3c}{c + 1}$

Step-by-step explanation:

To make d the subject of formula, we need to rearrange the equation such that we arrive at d= _____.

$c = \frac{4 - d}{d + 3}$

<em>Remove the fraction by multiplying (d +3) on both sides:</em>

$c(d + 3) = 4 - d$

<em>Expand</em><em>:</em>

<em> $cd + 3c = 4 - d$ </em>

<em>Bring</em><em> </em><em>all</em><em> </em><em>the</em><em> </em><em>d</em><em> </em><em>terms</em><em> </em><em>to</em><em> </em><em>one</em><em> </em><em>side</em><em> </em><em>and</em><em> </em><em>move</em><em> </em><em>the</em><em> </em><em>others</em><em> </em><em>to</em><em> </em><em>the</em><em> </em><em>other</em><em> </em><em>side</em><em> </em><em>of</em><em> </em><em>the</em><em> </em><em>equation</em><em>:</em>

$cd + d = 4 - 3c$

<em>Factorise</em><em> </em><em>d</em><em> </em><em>out</em><em>:</em>

<em> $d(c + 1) = 4 - 3c$ </em>

<em>Divide</em><em> </em><em>by</em><em> </em><em>(</em><em>c</em><em> </em><em>+</em><em>1</em><em>)</em><em> </em><em>on</em><em> </em><em>both</em><em> </em><em>sides</em><em>:</em>

<em> $d = \frac{4 - 3c}{c + 1}$ </em>

7 0

3 years ago

Negative 4 equals r/20 minus 5

levacccp [35]

Answer: r = - 20

Step-by-step explanation:

$-4 = \frac{r}{20} - 5$

$\frac{r}{20} = 4-5$

$\frac{r}{20}=-1$

$\frac{r}{20}*20 = -1 * 20$

$r = -20$

5 0

3 years ago

Which is the best description for this histogram?

pshichka [43]

Answer: it is a

Step-by-step explanation: i got it right

7 0

3 years ago

Read 2 more answers

Mai worked for 12 hours each day for 8 days. Then the next day she worked 7 hours. How many hours did Mai work in all?

Fiesta28 [93]

Answer:

91 hours

Step-by-step explanation:

Add 12 to itself 8 times and then add 7 once

8 0

3 years ago

If celia made 3 1/2 cups of rice. A serving is 2/3cup. How many servings of rice did she make?

nadezda [96]

Answer:

ima say around 5 and 1/4 cups

Step-by-step explanation:

3 1/2 divided by 2/3 cand be round to

3 3/6 divided by 4/6 to make it easier

6 0

3 years ago