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solmaris [256]
3 years ago
14

Select the correct answer

Mathematics
1 answer:
motikmotik3 years ago
5 0

Answer:

4

Step-by-step explanation:

80%=4/5

4/5 of 20 is 4

They lose 4 matches.

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Marco leaves the bathroom faucet running for 22 minutes while he gets ready in the morning. running the faucet for 5 minutes was
lord [1]

The amount of energy waste, in terms of hours which a 60-watt light bulb would remain on, is 61.6 hours then the correct option is B.

<h3>What are ratio and proportion?</h3>

A ratio is an ordered couple of numbers a and b, written as a/b where b can not equal 0. A proportion is an equation in which two ratios are set equal to each other.

Marco leaves the bathroom faucet running for 22 minutes while he gets ready in the morning.

Running the faucet for 5 minutes wastes the same amount of energy as leaving a 60-watt light bulb on for 14 hours.

Then we have

\begin{aligned} \dfrac{5\ minutes}{14 \ hours } &=\dfrac{1\ minute }{x \ hours}\\\\x &= 2.8  \ hours \end{aligned}

So, the rate is 2.8 hours per minute.

Since macro leaves the bathroom faucet running for 22 minutes. Then the waste of energy is leaving a 60-watt light bulb will be

→22 minutes × 2.8 hours/minute = 61.6 hours.

More about the ratio and the proportion link is given below.

brainly.com/question/14335762

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2 years ago
MDEG x mGEF x mDEH yx y
Naddik [55]
Yo what? I’m confused how to answer
8 0
3 years ago
Find the mean of the data in the pictograph below. sundaes in each store
Luda [366]

Answer:

12

Step-by-step explanation:

one bowl is equal to 3 sundaes. When you count the number of bowls shown in the pictograph, there are 16 bowls. Now multiply 16 by 3 to know how many sundaes there are. Since there are 4 different stores, you would have to divide 48 by 4 to get your mean(or average) value.

Math:

16 x 3 = 48

48/4 =12

3 0
3 years ago
Read 2 more answers
How do you solve equations that contain addition or subtraction
ollegr [7]
To solve an addition problem, you simply add one number to the other. For example, If I want to add 4 to 5, I would write the equation 4 + 5 = 9. To solve a subtraction problem, you simply take a number away from another. For example, If I want to take 5 away from 9, I would write the equation 9 - 5 = 4. Hope I helped! :)
7 0
3 years ago
Obwód prostokąta jest równy 20cm a jeden z jego boków jest 4 razy dłuższy oddrugiego. Oblicz długości boków tego prostokąta. SZY
Kruka [31]

Answer:

what is your language

can you explain in Hindi.

then i give your answer

6 0
3 years ago
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