Ms.Groves has trays of paint for students in her art class.each tray has 5 colors.one of the colors is purple.what fraction of the colors in 20 trays is purple?

Answers

Answer 1

Answer: One of the colors is purple out the five colors so the fraction is 1/5.
20/5=4 and 4x1=4 so the fraction of the colors in the 20 trays that is purple is 4/20.The simplified answer is 1/5.

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Help with number 8 please thank you !!!!!!!

Answers

Answer:

1/9 and -1/9

Step-by-step explanation:

81x^2=1

Dividing by 81 on both sides:

x^2=1/81

Taking the square root:

x= ±1/9

What is the most reasonable estimate for the measure of the angle

Answers

90 degrees or a right angle.

90 degrees or right angle

A factory packages 4250 boxes of cereal. The number of oat cereal boxes is 715 more than the number of wheat cereal boxes. The number of fruit cereal boxes is 5 times the number of wheat cereal boxes. How many fruit cereal boxes does the factory package.

Answers

o = number of oat cereal, w = number of wheat cereal, f = number of fruit cereal:

o + w + f = 4250
o = w + 715
f = 5w

The second equation tells us the value of o in terms of w, and the third equation tells us the value of f in terms of w, so we can plug in "w + 715" for o and "5w" for f in the first equation:

o + w + f = 4250
(w + 715) + w + (5w) = 4250

Then, add like terms and subtract and divide to isolate the w:

w + 715 + w + 5w = 4250
7w + 715 = 4250 Subtract 715 on both sides:
7w = 3535 Divide by 7 on each side:
w = 505

Now that we have w, we can plug it into the last equation to find f, the number of fruit cereal boxes:

f = 5w
f = 5(505)
f = 2525

Therefore, the factory packages 2525 fruit cereal boxes.

an architect build a road 8 1/4 miles long. the next Road he built was 4 3/9 miles long. what is the combined length of the two roads?

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the answer is
111/9 miles
or you can say
11 2/9 miles

I need help is it A B C or D

Answers

b because when you add .3 to 5 you get 5.3 and when you ad .3 to 5.3 you get 5.6 and so on

the answer is D it goes up by .3

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5x+2+6x+9=10x+5 solve the equation.

Answers

Simplify both sides of the equation.

5x+2+6x+9=10x+5

(5x+6x)+(2+9)=10x+5(Combine Like Terms)

11x+11=10x+5

Subtract 10x from both sides.

11x+11−10x=10x+5−10x

x+11=5

Subtract 11 from both sides.

x+11−11=5−11

ANSWER: x=−6

5x+2+6x+9=10x+5

add like terms

11x + 11 = 10x + 5

11x + 11 - 11 = 10x + 5 - 11

11x = 10x - 6

11x - 10x = 10x - 10x - 6

x = -6 Answer

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