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Savatey [412]
3 years ago
11

Belinda runs 8 kilometers in 60 minutes. At this rate, how long would it take her to run 2 kilometers?

Mathematics
2 answers:
Kipish [7]3 years ago
5 0

Hi there!

\large\boxed{15 \text{ }min}

Create a proportion to solve for the amount of time required to run 2 kilometers:

8 km in 60 min

2 km in x min

Express as fractions:

\frac{8}{60} = \frac{2}{x}

Cross multiply:

8 · x = 60 · 2

8x = 120

Divide both sides by 8 to solve for x:

8x/8 = 120/8

x = 15 minutes

DiKsa [7]3 years ago
4 0

Answer:

15 minutes

Step-by-step explanation:

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Select the correct answer.
gtnhenbr [62]

Answer:

5 years

Step-by-step explanation:

To determine the number of years needed for the company to process a certain amount of milk, we use the given function which relates the number of years, x, and the gallons of milk, y. We simply substitute the number of gallons to y and solve for x.  

y = x^6 − 9x^4 + 70x^2

630 = x^6 − 9x^4 + 70x^2

Solving for x, we will have

x = 4.8866 years or approximately 5 years

Hope this answer helps you :)

Have a great day

Mark brainliest

7 0
3 years ago
If LM = 20 cm, and PQ = 16 cm, what is the length of RM, in centimeters?
LuckyWell [14K]

Answer:

RM = 12 cm

Step-by-step explanation:

a^{2} + b^{2} = c^{2}

Assuming 20 is the hypotenuse cus there is no picture:

a^{2} + 16^{2} = 20^{2}

a^{2} +256 = 400

a^{2} = 144

a=144

If It's not the hypotenuse:

16^{2}+ 20^{2} =c^{2}

256+400 =c^{2}

656=c^{2}

c = 25.61249695

But I find it unlikely that 20 wasn't the hypotenuse so ignore that unless it applies.

Hope this helped. :0)

5 0
3 years ago
Can someone help me with this math problem
Elis [28]

Answer:

C. Divide both sides of the equation by -2.

Step-by-step explanation:

The goal of the equation is to isolate x. In order to do that we have to remove the '-2' by doing the inverse operation. That is the opposite operation, for example addition and subtraction, multiplication and division.

Since x is being multiplied by -2, we do the inverse which is division.

5 0
3 years ago
At 5pm the total rainfall is 3cm. At 11 pm the total rainfall is 13cm.What is the mean hourly rainfall?
krok68 [10]

Answer:

2.16 cm

Step-by-step explanation:

5 through 11 = 6 hours

total of cms  = 13

13/6 = 2.16

7 0
3 years ago
Which is greater 1.56 or 1.29
ruslelena [56]

Answer:

<u>1.56 is greater than 1.29</u>. (Check after the decimal point, 5 is greater than 2, so 1.56 is greater than 1.29)

8 0
2 years ago
Read 2 more answers
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