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3 years ago

Estimate the quotient of 719.711 ÷ 8.75.

2 answers:

8 0

Round both to the whole number
720/9 = 80

80 is your answer*

hope this helps

note* they want you to round b4 you divide, because it says round dividend and divisor to whole number

vladimir2022 [97]3 years ago

3 0

:) .
The answer is 80. The dividend would round to 720 and the divisor would round to 9. .... and hi

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3 years ago

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$\vec{s(t)}=\frac{1}{2}t^2\hat{i}-(2t+1)\hat{j}+(\frac{1}{3}t^3+1)\hat{k}$

Step-by-step explanation:

We are given that velocity vector of a particle

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When t=0 then the particle is at the point (0,-1,1).

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We know that

Velocity = $\frac{Displacement }{time}=\frac{ds}{dt}$

Therefore, $\vec{v}=\frac{\vec{ds}}{dt}$

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Integrate on both sides then we get

$\vec{s(t)}=\frac{1}{2}t^2\hat{i}-2t\hat{j}+\frac{1}{3}t^3\hat{k}+C$

$\int x^n dx=\frac{x^{n+1}}{n+1}+C$

Substitute the value of point at time t=0 then we get

C= $-\hat{j}+\hat{k}$

Substitute the value of C then we get

$\vec{s(t)}=\frac{1}{2}t^2\hat{i}-2t\hat{j}+\frac{1}{3}t^3\hat{k}-\hat{j}+\hat{k}$

Therefore, the position of particle at time t

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3 years ago