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Dmitrij [34]
3 years ago
6

270 is 90% of what number?

Mathematics
1 answer:
kakasveta [241]3 years ago
6 0
90\% \ of \ x =270 \\\\ \frac{90}{100}*x=270 \\\\ \frac{9}{10}=\frac{270}{x} \\\\ x=\frac{10*270}{9} \\\\ x=10*30 \\\\ \boxed{x=300}
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Julli [10]
B<-5 (the < has a line under it to say it is less than or equal to) 
w<0 (same line underneath) 
7 0
3 years ago
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Kimai is making blankets for charity. In order to determine how many hats she can make per hour, she created 3/5 of the hats in
Elanso [62]

When Kimai is making blankets for charity, the proper form of the unit rate is 4 hats per hour.

<h3>How to calculate the value?</h3>

From the information given, it was stated that Kimai is making blankets for charity. In order to determine how many hats she can make per hour, she created 3/5 of the hats in 1/8 of an hour.

Therefore, the proper form of the unit rate will be:

= Amount of hats / Time

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Therefore, the proper rate will be 4 hats per hour.

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7 0
1 year ago
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2(5x - 3) - 4 = x + 4 solve for x and show work
Katen [24]

Answer:

x= 14/9 = 1 5/9

Step-by-step explanation:

Use the distributive property to multiply 2 by 5x−3.

2(5x−3)−4=x+4

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10x−6−4=x+4

Subtract x from both sides

10x−10=x+4

Combine 10x and −x to get 9x.

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Add 10 to both sides.

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Divide both sides by 9.

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4 0
3 years ago
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densk [106]

Answer: Answer A: Both classes have a range of 45

Step-by-step explanation:

above the two graphs we can see a number line ranging from 50-100

bellow that, we can see 2 box and whisker plots, one for second period and one for fourth period. the larger rectangular boxes show all the number results, the line in between them states the average result. Both lines have starting points at 55 and ending points at 100.

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B is wrong because 2nd period has a median of 90

C is wrong because no periods have a median of 100

D is wrong because most of the students scored an 85+

conclusion: answer A is correct

4 0
3 years ago
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Suppose an isosceles triangle abc has a=pi/4 and b=c=4. What is the length of a^2?
Zanzabum

The law of cosines states that, if \alpha is the angle between sides b and c,

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3 0
3 years ago
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