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2 years ago

Can u please help me with this

Mathematics

1 answer:

zhannawk [14.2K]2 years ago

5 0

Answer:

1/4

1/6

7/10

3 7/8

2 5/7

3 1/9

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Find the slope of the line on the graph.

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Answer:

Step-by-step explanation:

By going up 3 and right 1 you get 3/1, aka 3

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3 years ago

Analysis of an accident scene indicates a car was traveling at a velocity of 69.5 mph (31.1 m/s) along the positive x-axis at th

STatiana [176]

We can find the acceleration via

${v_f}^2-{v_i}^2=2a\Delta x$

We have

$\left(5.20\dfrac{\rm m}{\rm s}\right)^2-\left(31.1\dfrac{\rm m}{\rm s}\right)^2=2a(115\,\mathrm m)$

$\implies\boxed{a=-4.09\dfrac{\rm m}{\mathrm s^2}}$

Then by definition of average acceleration,

$a_{\rm ave}=\dfrac{v_f-v_i}t$

so that

$-4.09\dfrac{\rm m}{\mathrm s^2}=\dfrac{5.20\frac{\rm m}{\rm s}-31.1\frac{\rm m}{\rm s}}t$

$\implies\boxed{t=6.33\,\mathrm s}$

We alternatively could have found the time without knowing the acceleration. Since acceleration is constant, the average velocity is

$v_{\rm ave}=\dfrac{x_f-x_i}t=\dfrac{v_f+v_i}2$

Then

$\dfrac{115\,\rm m}t=\dfrac{5.20\frac{\rm m}{\rm s}+31.1\frac{\rm m}{\rm s}}2$

$\implies\boxed{t=6.33\,\mathrm s}$

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3 years ago

7 increased by 5 times a number ?

RideAnS [48]

Answer:

i wouldsay b

Step-by-step explanation:

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812-537=275; 275 more people attended the play on Saturday than on Friday.

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Rise over Run

Step-by-step explanation:

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