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Sedbober [7]
2 years ago
12

Mike’s doctor recommended that he increase the time he exercises each day from 20 minutes to 30 minutes. By what percent did the

number of minutes increase?
Mathematics
2 answers:
dimaraw [331]2 years ago
7 0

Answer:

1 dsd

Step-by-step explanation:

juin [17]2 years ago
7 0

Answer:

It increased by 10%

Step-by-step explanation:

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Solve the following proportion by cross multiplying:<br> x / 8 = 28 / 32
AveGali [126]
Since it is an equality that means the left side of the equation (x/8) has to be equal to the right side of the equation (28/32). One way you can solve for x is to isolate it. Since it’s an equality like we said you have to do to the left side the same that you would do to the right side to isolate x. So if I multiply by 8 on the left I need to also multiply by 8 on the right. So 8* (x/8) becomes just x since 8x/8 becomes 8/8 * x which is 1 *x. On the right side we do 8 *(28/32) which becomes 28 * 8/32 which becomes 7. So x = 7.
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Please help ASAP failing class if i dont answer correct
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(See the imagine for reference)
Let’s solve where they have a triangle, so the height is 9 cm, the base is 3 cm:

1/2 • 9 • 3 = 13.5

Since there’s 2 triangles we do:

13.5(2) = 27

Now the rectangle in the middle, where the height is 9cm and the base is 12cm:

12 • 9 = 108

Add up the areas:

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8 0
2 years ago
Lynn has a watering can that holds 32 cups of water, and she fills it a quarter full. Then she waters her 23 plants so that each
Arlecino [84]
.3478 is the answer, round however you like
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3 years ago
Tara earns $9 for each dog she walks. She walks 10 dogs an hour. After walking dogs for 4 hours, how much money will Tara have e
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Answer: $360

Step-by-step explanation:

In one hour, she makes $9 * 10 dogs = $90.

In 4 hours, we simply multiply that by 4 to get $90 * 4 = $360 total

4 0
3 years ago
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A book has 6 chapters in it, each with the same number of pages. The book also has an introduction that is 8 pages long. The who
VARVARA [1.3K]

Answer:

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Step-by-step explanation:

Assumed the question is how many pages are in each chapter.

<u>Let it be x:</u>

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2 years ago
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