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Ierofanga [76]
3 years ago
12

runs 5 laps in 30 minutes, denise runs 4 laps in 20 minutes, paola runs 6 laps in 40 minutes. if they run at a constant rate, wh

o is the fastest runner?
Mathematics
1 answer:
asambeis [7]3 years ago
3 0
Denise is the fastest runner. 40 divided by 6 is 6.666 repeating 30 divided by 5 is 6 and 20 divided by 4 is 5 therefore denise is fastest
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Factor completely<br> 2c^3-22c^2+48c
Bingel [31]

Answer:

2c(c - 3)(c - 8)

Step-by-step explanation:

Hello!

Factor:

  • 2c³ - 22c² + 48c
  • 2c(c² - 11c + 24)

Think: What two numbers multiply to 24, and add up to -11?

Answer: -8 and -3

Split up the -11c into -8c and -3c:

  • 2c(c² - 8c - 3c + 24)      (factor each pair)
  • 2c( c(c - 8) - 3(c - 8))  
  • 2c(c - 3)(c - 8)
7 0
2 years ago
I NEED THESE ASAP. plz help
Aloiza [94]

Answer:

What is it you need help with?

Step-by-step explanation:

Which one

5 0
3 years ago
A statue in the park is 24 feet tall and has a width of 36 inches. Chase was in
NeTakaya

Answer:

<u>22.33 feet tall / 267.96 inches tall</u>

Step-by-step explanation:

The statue is 36 inches wide. If Chase made his model of the statue 16 inches wide, he decreased it by 20 inches. Now change the inches into feet. 36 inches would be 3 feet, 16 inches would be 1.33 feet and 20 inches would be 1.67 feet. <u>24ft - 1.67 = 22.33ft.</u> Now change the answers to inches.  22.33ft will be 267.96 inches tall.

3 0
3 years ago
How to prove that square root of x where x is rational is rational?
Verdich [7]

In general, you cannot prove that because it is not true.

2 is rational. √2 is not.

5 0
3 years ago
Please help
Montano1993 [528]

Answer:

M = 2x² - (ax/3) + by

B = - 3x²y + (xy³/3) - cy

Step-by-step explanation:

Equation 1 is

2x² - (1/3)ax + by - M = 0

M = 2x² - (ax/3) + by

Equation 2

3x²y - (1/3)xy³ + cy + B = 0

B = - 3x²y + (xy³/3) - cy

Hope this Helps!!!

7 0
3 years ago
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