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Rus_ich [418]
3 years ago
8

Solve for x. x/7= -3 x = -21 x = -10 x = 4 x = 21

Mathematics
1 answer:
Alecsey [184]3 years ago
4 0
The answer is x=-21


explanation:

x/7=-3

x=-3×7

x=-21
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during a class election tge ratio of students who voted for candidate A compared to candidate B was 10:7. if candidate A receive
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85 votes total for both candidates

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3 years ago
Which shows the expression below simplified?
salantis [7]

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D

Step-by-step explanation:

(7 × 10-7) × 0.06

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0.42 × 10^-7

4.2 × 10^-8

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Expand and simplify 4(x-3)-2(x-1)
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3 0
3 years ago
Loren solved the equation 10 = StartFraction 19 Over 9 EndFraction (149) + b for b as part of her work to find the equation of a
Elden [556K]

The error that Loren made is C. She should have solved 149 = StartFraction 19 Over 9 EndFraction (10) + b for b.

<h3>What is an equation?</h3>

It should be noted that an equation is a statement that shows that two mathematical expressions are equal.

In this case, for Loren to find the slope, this will be:

m = y2 - y1/x2 - x1

= (149 - 130)/(10 - 1)

= 19/9

In this case, the error that Loren made is that she should have solved 149 = StartFraction 19 Over 9 EndFraction (10) + b for b.

Learn more about equations on:

brainly.com/question/13763238

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5 0
2 years ago
The ratio of roosters to chickens is 2 to 8. If there are 5 roosters, how many chickens are there?
Aloiza [94]
Roosters to chickens is 2 to 8

That means where there are 2 roosters, there are 8 chickens.

Simplify the ratio 2:8
The ratio can be simplified to 1:4

So, for 1 rooster, there are 4 chickens.

Now, the question says that if there are 5 roosters, how many chickens will there be?

1 rooster to 4 chickens
5 roosters to ? chickens

We went from 1 rooster to 5 rooster. We multiplied by 5.
To find out how many chickens there are for 5 roosters, multiply 4 chickens by 5.

4 * 5 = 20

Where there are 5 roosters, there will be 20 chickens.

Another way to solve is as follows:

\frac{2}{8} =\frac{5}{x}\\\\\sf{Cross~multiply}\\\\2x = 5\times 8\\\\2x = 40\\\\x = 20\\\\\boxed{\bf{x=20}}

Your final answer is 20 chickens.<span />
3 0
3 years ago
Read 2 more answers
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