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olya-2409 [2.1K]
2 years ago
11

Consider the inequality-5(x+7)<-10 write an inequality representing the solution for x

Mathematics
1 answer:
GrogVix [38]2 years ago
6 0

Answer:

<h2>x > -5</h2>

Step-by-step explanation:

-5(x + 7) < -10            <em>use the distributive property </em><em>a(b + c) = ab + ac</em>

(-5)(x) + (-5)(7) < -10

-5x - 35 < -10         <em>add 35 to both sides</em>

-5x < 25         <em>change the signs</em>

5x > - 25       <em>divide both sides by 5</em>

x > -5

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Jada eats 2 scoops of ice cream in 5 minutes. Noah eats 3 scoops of ice cream in 5 minutes. How long does it take them to eat on
Scrat [10]

Answer:

\frac{5}{6} minutes

Step-by-step explanation:

Let's find unit rate of each.

<u>Jada</u>

2 scoop in 5 minutes

So,

1 scoop in 5/2 = 2.5 minutes

<u>Noah</u>

3 scoop in 5 minutes

So,

1 scoop in 5/3 = 1.25 minutes

These are the times. Time and rate are inverses of each other. So the rates of each is:

Jada = 1/2.5 = 0.4

Noah = 1/1.25 = 0.8

Working together, we add the rates and find the time:

(0.4+0.8)*t = 1

1.2t = 1

t = 1/1.2 = \frac{5}{6} minutes

So, they take \frac{5}{6} minutes to eat one scoop, working together

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3 years ago
Negative 7 divided by 14/3 as a fraction
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I will answer your question. It is -3/2
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Lera25 [3.4K]
The answer would be -4
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A class of 20 boys and 15 girls is divided into n groups so that each group has x boys and y girls. Find x, y and n. what values
melamori03 [73]
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15 = 3 x 5

common divisor (CD) of 20 and 15 is 5 so n should be 5 and each group has 4 boys and 3 girls.

If there are more than one CD, then there are more than one answer.

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Step-by-step explanation:

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