Convert the given fraction to a decimal by setting the denominator equal to 100

Answers

Answer 1

Answer:
19/50 = 38/100 = 0.38 = 38% .

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isabella spends $4.87 on paintbrushes and paint. How many of each item does she buy? The paintbrushes cost $0.95 and the jar of paint cost $.099 each.

Answers

Isabella can buy together 5 paintbrushes ( p ) and jars of paint ( p ) : j + p = 5, She can`t buy 4 items ( because 4 * $0.99 = $3.96 < $4.87 ) and she also can`t buy 6 items ( 6 * $0.95 = $5.70 > $4.87 ). So: p = 5 - j. Another equation is: 0.95 * ( 5 - j ) + 0.99 j = 4.87, 4.75 - 0.95 j + 0.99 j = 4.87; 0.04 j = 0.12; j = 0.12 : 0.04; j = 3, p = 5 - 3 = 2. We can prove it: 0.95 * 2 + 0.99 * 3 = 1.90 + 2.97 = 4.87. Answer: Isabella buys 2 paintbrushes and 3 jars of paint.

Need help on 41-44 please

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41:1/4 42:1/12 43:-2/6 44:2/5

Look up what rational means and then you will understand what to do

I have 2 questions to ask 1 is divide 180 degrees in a ratio of 4,5 and 9the other one is divide 42 in a ratio 1 2 and

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Here's how to do dividing in a certain ratio:

-- You want to divide up the whole thing in the ratio of
4 parts, 5 parts, and 9 parts.

-- How many parts all together ? (4 + 5 + 9) = 18 parts all together.

-- The whole thing is 180, and that's 18 total parts.
So each part is (180/18) = 10 degrees.

4 parts = (4 x 10) = 40
5 parts = (5 x 10) = 50
9 parts = (9 x 10) = 90.

Check: (40 + 50 + 90) = 180 . yay!

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For the second one, I think there are some words missing.

Okay so I don’t get this at all

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the answer is d, because 3-(-3) is 6, and that is how far the two marked points are

Number 11.

GIVE U 1000 POINTS

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so simplify and find 'ones'
remember that 1/1=1 so 7/7=1
find out how many 7/7 are in 13/7
13/7-7/7=6/7 (that's one)

so 13/7=7/7+6/7=1+6/7=1 and 6/7
therefor the missing number is 6

Answer:

so simplify and find 'ones'

remember that 1/1=1 so 7/7=1

find out how many 7/7 are in 13/7

13/7-7/7=6/7 (that's one)

so 13/7=7/7+6/7=1+6/7=1 and 6/7

therefor the missing number is 6

Step-by-step explanation:

Can someone help me with my last homework question, please show the work and explain what you did so I can understand! if you do that I might mark you as brainliest! Thanks!

Answers

Ok, so I worked out the problem.

So for part a) you just multiply 8 by 25% then add the product to get the new perimeter.

Part B you Add all sides for the original square and the new square to get the perimeters of each then you divide the old square perimeter by the new square perimeter to get the percentage.

Part C you get the areas pf bother squares then divide the old square area by the new square area to get the percentage change.

If you have any questions, let me know.

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