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Paul [167]
2 years ago
6

Which is an expression to find the speed in m/s? d = 40 meters, t = 10 seconds

Mathematics
2 answers:
solong [7]2 years ago
7 0
D <u />÷ T = S
A is correct because to find the speed you have to divide the distance by the time. The answer is 4.
Jobisdone [24]2 years ago
3 0
The answer is A because the equation is 40/10 which would give you 4 and it asks m/s.
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Really could use help here.
marishachu [46]

Answer:

\mathsf {y =\frac{15}{7}x } < \mathsf {y=\frac{13}{6}x } < \mathsf {y=\frac{11}{5}x } < \mathsf {y=\frac{21}{9}x } < \mathsf {y= \frac{19}{8}x}

Step-by-step explanation:

<u>Finding the unit rate of the graph</u> :

  • Take 2 points and find the slope
  • ⇒ (0,0) and (12, 25)
  • ⇒ m = 25 - 0 / 12 - 0
  • ⇒ m = <u>25/12</u>
  • The equation is : <u>y = 25/12x</u>

Now, the equations with greater unit rates (in increasing order) are :

  • \mathsf {y =\frac{15}{7}x } < \mathsf {y=\frac{13}{6}x } < \mathsf {y=\frac{11}{5}x } < \mathsf {y=\frac{21}{9}x } < \mathsf {y= \frac{19}{8}x}
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Step-by-step explanation:

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