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3 years ago

A person jogs 1/8 mile in 1/32 hour. What is the persons speed per hour

Mathematics

2 answers:

bogdanovich [222]3 years ago

4 0

1/8 * 32 = 4mph that is the correct answer

Whitepunk [10]3 years ago

4 0

They are running 1/4 miles per hour because if you divide 32 by 8 it is 4. So it is 1/4.

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PLEASEEE HELP<br> Questions 4 and 5

Ilya [14]

Answer:

Given and explained below.

question 4

using sine rule:

$\sf sinx = \frac{opp}{hyp}$

$\sf sinx = \frac{11}{13}$

$\sf x = sin^{-1}(\frac{11}{13} )$

$\sf x = 57.8$

question 5

using cosine rule:

$\sf cosx =\frac{adj}{hyp}$

$\sf cos(31) =\frac{x}{17}$

$\sf cos(31)*17 =x$

$\sf x = 14.6$

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1 year ago

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I need help with this question

umka21 [38]

Answer:

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2 years ago

2 6 + 3 * 4 2 + 7 * - 2 /

Artist 52 [7]

Answer:

26 + 3 x 42 + 7 x -2 = 138

Step-by-step explanation:

Ok bud, first step we must convert our symbols (Makes it easier to solve)

26 + 3 x 42 + 7 x -2

* subsitutes for multiplication.

I recommend using PEMDAS at times:

1 - Parentheses

2 - Exponents and Roots

3 - Multiplication

4 - Division

5 - Addition

6 - Subtraction

Yet again your numbers were spaced out could they be exponents? if so:

3x^{42}+7x+24

Our answer would round to 24 but he equation was not put in a valid or straight forward way.

5 0

2 years ago

Hi, I need help with this question.

mart [117]

Use trigonometry to find your answer

7 0

3 years ago

7x+3+6x+11 can u give a example of how to solve it

yKpoI14uk [10]

Combine like terms.

Since 7x and 6x both have a variable of x, you can combine them.

$7x + 6x = 13x$

After that, you are left with:

$13x + 11 + 3$

You also have two numbers without variables; 11 and 3. You can also combine those.

$11 + 3 = 14$

So, your final answer would be:

$13x + 14$

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3 years ago

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