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nataly862011 [7]

3 years ago

13

a student is running 5-km race. He runs 1km every 3 min. Select the function that describes his distance from the finish line x

minutes.

1 answer:

Juli2301 [7.4K]3 years ago

3 0

$3x=time$

x is the distance

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WARRIOR [948]

f is given as -3

-3 is greater than -4, so use the second equation 3x-5.

replace x with -3 and calculate:

3(-3) - 5 = -9 - 5 = -14

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Jeff is three years younger than twice Michael's age, m. Which equation can be used to find Jeff's age?

Lapatulllka [165]

Answer:

j = 2m-3

Step-by-step explanation:

Breakdown:

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vitfil [10]

Dagney reads at 40 pages an hour, or .75 pages a minute.

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3 years ago

Since there are 640 acres of land in one section (1 mi2), how many acres of land are in a complete township?

Ne4ueva [31]

Answer:

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Step-by-step explanation:

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. Dinah bought 3 packages of ground beef. The packages weigh 3 3/4 pounds, 1 1/8 pounds, and 2 1/2 pounds. How many pounds of gr

IgorC [24]

Answer:

6 3/8

Step-by-step explanation:

Convert the fractions so that the denominators match.

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$2\frac{1}{2}=\frac{3}{2}$ , then $\frac{3}{2}=\frac{12}{8}$

Add up the fractions.

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3 years ago

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