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3 years ago

△WKT∼△NRP

Mathematics

1 answer:

german3 years ago

7 0

Answer:

The Answer is 31.5

Step-by-step explanation:

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Valeria has been training for the Charlestown cruisers bike race. The first week she trained, she rode 5 days and took the same

ira [324]

The number of miles covered every evening obtujwd using a system of equation is 15 miles.

Let the number of miles per evening = m

Number of days = 5

Number of miles per morning = 8 miles

Total miles covered = 115 miles

Using the expression below :

Number of days(miles per morning + miles per evening) = 115 miles

5(8 + m) = 115

40 + 5m = 115

5m = 115 - 40

5m = 75

m = 75 / 5

m = 15 miles

Therefore, the Number of miles covered per evening is 15 miles.

Learn more : brainly.com/question/18796573

8 0

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:

The x-coordinate is changing at 10 cm/s

Step-by-step explanation:

Rate of Change

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

If RST equals NPQ, which of the following are true?

amid [387]

I think the answer is T equals Q

7 0

3 years ago

May somebody help me with this please?

Oduvanchick [21]

But where....is the histogram?

7 0

3 years ago

daytsurnia is training for a marathon and ran the following distances, In miles, in the last week. 3,9,14,5,8,12,7. What Is the

Anastasy [175]

Average = Mean

Mean → Add all the numbers and divide by how many there are

3 + 9 + 14 + 5 + 8 + 12 + 7 = 58

There are 7 numbers.

58 ÷ 7 = 8.3

Answer = 8.3

Hope this helped :)

6 0

3 years ago