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3 years ago

Henry drove 60.2 miles in 7 days how many miles did he drive in 1 day

Mathematics

2 answers:

Yanka [14]3 years ago

6 0

Henry drove 8.6 miles in a day.

60.2/7 = 8.6

zimovet [89]3 years ago

3 0

Answer:

8.6

Step-by-step explanation:

divide 60.2 by 7 then get the answer

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How do i solve this

tangare [24]

First simplify the square roots.
√25 is 5 and √16 is 4
so the equation is 3x5 + 4x4
15+16
31

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3 years ago

A particle moves along the curve below. y = √ 8 + x 3 As it reaches the point ( 1 , 3 ) , the y -coordinate is increasing at a r

Dmitry [639]

Answer:

<em>The x-coordinate is changing at 10 cm/s</em>

Step-by-step explanation:

<u>Rate of Change</u>

Suppose two variables x and y are related by a given function y=f(x). If they both change with respect to a third variable (time, for instance), the rate of change of them is computed as the derivative using the chain rule:

$\displaystyle \frac{dy}{dt}=\frac{dy}{dx}\cdot \frac{dx}{dt}$

We have

$y=\sqrt{8+x^3}$

Or, equivalently

$y^2=8+x^3$

We need to know the rate of change of x respect to t. We'll use implicit differentiation:

$\displaystyle 2y\cdot \frac{dy}{dt}=3x^2\cdot \frac{dx}{dt}$

Solving for dx/dt

$\displaystyle \frac{dx}{dt}=\frac{2y\cdot \frac{dy}{dt}}{3x^2}$

Plugging in the values x=1, y=3, dy/dt=5

$\displaystyle \frac{dx}{dt}=\frac{2(3)\cdot 5}{3\cdot 1^2}=10$

The x-coordinate is changing at 10 cm/s

7 0

3 years ago

What is 1/2 multiplied by 3/5

nadya68 [22]

Answer : 1/2 x 3/5 = 3/10.

3 0

4 years ago

Read 2 more answers

Aaron claims the same answer could also be found by adding either –5 + 3 or –3 + 5.

kramer

1. The commutative property is not true for addition.

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3 years ago

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Help please giving 15 points !!!!!!!

Lelu [443]

I don’t know the answer

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3 years ago