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ra1l [238]
4 years ago
5

Just a question that i need help on :)

Mathematics
1 answer:
Setler [38]4 years ago
8 0

Answer:

45

Step-by-step explanation:

tu

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the sales of a particular brand of children’s athletic shoes rose from 6900000 to 7500000. find the percent of increase in sales
Vlad1618 [11]

Answer:

6900000 + (6900000 * x) = 7400000

This equation is telling us 6900000 plus 6900000 times a specific percent will get you 7400000, which is what you want.

6900000 + (6900000 * x) = 7400000

6900000 + 6900000x = 7400000

Subtract 6900000 from both sides.

6900000x = 500000

Divide both sides by 6900000

x = 0.0724637681, or .07 when rounded to the nearest tenth.

convert .07 to a percentage by moving the decimal point two places to the right.

.07 = 7%

The sales of the children's athletic shoes rose about 7%

Step-by-step explanation:

5 0
3 years ago
In a 50-gram portion of cereal, 8 grams of it are sugar . Which of the following represents the percent of the 50-grams that is
andre [41]

Answer:

3) 16

8 is 16% of 50

4 0
3 years ago
The population of Illinois in 2000 was about 1.57 times its population in 1940. If the population of Illinois in 1940 was about
Amiraneli [1.4K]

Answer: 12.4Million

Step-by-step explanation:

Let x be the term we are looking for

Therefore;

Population in 2000 = x

Population in 1940 = 7.9Million

Recall population in 2000 is 1.57 times population in 1940

Therefore

1.57 * x = 7.9

x = 7.9m * 1.57

x = 12.403

Rounding off to the nearest tenth in Millions

= 12.4Million

Hope this helps

3 0
3 years ago
Nina can ride her bike 63,360 feet in 3,400 seconds, and Sophia can ride her bike 10 miles in 1 hour. What is Nina’s rate in mil
luda_lava [24]

Step-by-step explanation:

So first off we want to find out how many miles Nina can ride in 3,600

For this we have to convert 63,360 feet into miles

If there are 5,280 feet in one mile than we need to see how many times 5,280 goes in to 63,360

divide 63,360 by 5,280: you get 12

This means that she can bike 12 miles in 3,600 seconds

3,600 seconds is the same as an hour

Answer:

Nina can bike 12 miles per hour

5 0
3 years ago
Which problem can be solved using the expression 1/3÷1/4 ?
BabaBlast [244]

Answer:

Step-by-step explanation:

Divide: 1

3 : 14 = 13 · 4 1 = 1 · 4 3 · 1 = 43

Dividing two fractions is the same as multiplying the first fraction by the reciprocal value of the second fraction. The first sub-step is to find the reciprocal (reverse the numerator and denominator, reciprocal of 1

4 is 4 1

) of the second fraction. Next, multiply the two numerators. Then, multiply the two denominators. In the next intermediate step the fraction result cannot be further simplified by canceling.

In words - one third divided by one quarter = four thirds.

4 0
3 years ago
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