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3 years ago

Express the following relationship as a rate. Then, find the unit rate. Yolanda can bike 28 miles in 4 hours. GIVING 99 POINTS

Mathematics

2 answers:

ELEN [110]3 years ago

7 0

Answer:

Step-by-step explanation:

grin007 [14]3 years ago

5 0

7 miles per hour you can find this answer by doing 28 divided by 4.

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Evaluate the indefinite integral. (Use C for the constant of integration.) sin(10x) 1 cos2(10x) dx

Schach [20]

Answer:

The result of the integral is $-\frac{\cos^3{10x}}{30} + C$

Step-by-step explanation:

We are given the following integral:

$\int \sin{(10x)}\cos^{2}{(10x)} dx$

I am going to solve by substitution, using $u = \cos{10x}$ , so $du = -10\sin{10x}dx, dx = -\frac{du}{10\sin{10x}}$ . So, we have

$-\frac{1}{10} \int u^2 du$

Which has the following result:

$-\frac{u^3}{30} + C$

Going back to x, the result of the integral is

$-\frac{\cos^3{10x}}{30} + C$

5 0

3 years ago

What is the answer to this question (3x3)+7-7=

exis [7]

Answer:

Step-by-step explanation:

Assuming x is the multiplication symbol, you would multiply 3 and the other 3 together. This leaves you with 9+7-7. Since 7-7=0 you can just get rid of both sevens completely. Now you are only left with 9.

6 0

3 years ago

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I need help please and thank you

andrew-mc [135]

Answer:

Area will be 2(lb + bh + hl)

So 2*(12*9 + 9*4 + 4*12)

384 sqft

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3 years ago

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Mary baked 3 pies. 1 for her father, 1 for her friend joe, and 1 for her coworkers. Combination, permutaion or niether?

lbvjy [14]

The answer is permutation. It is <span>the action of changing the arrangement, especially the linear order, of a set of items.

Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
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3 years ago

Which of the following is the quotient of the rational expressions shown here? x/x-1 / 1/x 1.

WINSTONCH [101]

The quotient of the rational expressions is $\rm \dfrac{x^2-x}{x-1}$ .