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blondinia [14]
3 years ago
11

Chris ran 40 yards in 4.24 seconds what is the rate of speed

Mathematics
1 answer:
Sonja [21]3 years ago
7 0
Distance divided by time is speed. To find the rate of speed, divide 40 yards by 4.24 seconds which is approximately 9.43 yards per second.<span> 9.43 yards per second is the rate of speed.</span><span>
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Does -2(z+3)-z=-z-4(z+2) have one,zero or infinite solutions
Andrew [12]

Hello from MrBillDoesMath!

Answer:

One solution (z = -1)

Discussion:

-2(z+3)-z=-z-4(z+2)        =>

-2z -6 -z = -z -4z - 8       =>

-3z -6 = -5z -8                =>  add 6 to both sides

-2z = -5z -2                     => add 5z to both sides

3z = -5z +5z -3               =>

3z = -3                            =>

z = -1

Thank you,

MrB

6 0
3 years ago
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Step-by-step explanation:

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Ivanshal [37]

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