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prohojiy [21]
3 years ago
9

Molly ran 2/3 of a mile in 8 minutes. If Molly runs at that speed,how long will it take her to run one mile.

Mathematics
2 answers:
Nookie1986 [14]3 years ago
6 0
So 2/3 mile in 8 mins
find 3/3
2/3x=8
3/3x=?

easy way is
2/3 mile=8
divide by 2
1/3mile=4
multiply by 3
3/3mile=12



12 mins
Sati [7]3 years ago
4 0
Molly ran 1 mile in 12 Minutes because....
2/3 = 8 mins
1/3 = 8÷2=4 since 1/3rd is half of 2/3
3/3 = 12 Mins Total because 4 × 3
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The correct answer is 175.4379

Step-by-step explanation:

(9.9)^2 • 1.79

=98.01 • 1.79

=175.4379

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Translate verbal expression to an algebraic expression<br><br> 8 times a number x is subtracted by 4
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Step-by-step explanation:

8x - 4

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Find the quotient of 2,300 and (0.4 · 10-8). In your final answer, include all of your calculations.
BigorU [14]
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3 years ago
Please help... need help ASAP due today... which ones are the answers?
andrey2020 [161]

Answer:

Choices 1 and 4 are correct.

Step-by-step explanation:

We first need to find what the slope of the line is. That way, we can find out which possible answers are perpendicular to it:

\frac{4-(-2)}{3-1}=\frac{6}{2}=3

Since we now have the slope, we need the negative reciprocal of it. Remember: if x is the slope, it's negative reciprocal will be -\frac{1}{x}. Therefore, if the line's slope is 3, then we need to find answers with a slope of-\frac{1}{3}.

The first answer is correct, as you have marked. The second answer, while written a little weirdly, does show the slope as 3, which we know as wrong. The third choice is not correct, however. This equation is written in point-slope form, wherey-y_{1}=m(x-x_{1}). The only variable we have to worry about is m, which, in the third choice, is 3. The fourth answer is correct, which sounds weird at first. Let's put that equation into slope-intercept form:

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Equations like these can be real sneaky, so it's important not to jump to conclusions with them.

6 0
3 years ago
I need help please :)))
-BARSIC- [3]

Answer:

\mathrm {7.1 \: inches}

Step-by-step explanation:

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The diameter is 2.25 inches as shown in the readings of the scale.

2.25\pi

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7 0
3 years ago
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