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Murrr4er [49]
3 years ago
10

Q8/10 \ 2/5 And 4/7 \ 2/1

Mathematics
2 answers:
AnnyKZ [126]3 years ago
6 0
<span>0.08 and 0.29 those are the correct answers

</span>
nasty-shy [4]3 years ago
3 0
8/10 divided by 2/5=2/25

4/7 divided by 2/1=2/7

Hoped I helped!
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The coordinates of the endpoint of QS are Q(-9,8) and S(9,-4). Point R is on cue as such that QR:RS Is in the ratio 1:2. What ar
marishachu [46]

R(–3, 4)

Step-by-step explanation:

Let Q(-9,8) and S(9,-4) be the given points and let R(x, y) divides QS in the ratio 1:2.

By section formula,

R(x, y)=R\left(\frac{m x_{2}+n x_{1}}{m+n}, \frac{m y_{2}+n y_{1}}{m+n}\right)

Here, x_{1}=-9, y_{1}=8, \text { and } x_{2}=9, y_{2}=-4 \text { and } m=1, n=2

Substituting this in the section formula

R(x, y)=R\left(\frac{1(9)+2(-9)}{1+2}, \frac{1(-4)+2(8)}{1+2}\right)  

To simplifying the expression, we get

\Rightarrow R(x, y)=R\left(\frac{9-18}{3}, \frac{-4+16}{3}\right)

\Rightarrow R(x, y)=R\left(\frac{-9}{3}, \frac{12}{3}\right)

⇒ R(x,y) = R(–3,4)  

Hence, the coordinates of point R is (–3, 4).

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3 years ago
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Amanda canoed 15 3/4 miles in 3 hours. What was her average rate of speed in miles per hour?
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Explanation:

We first convert 15 3/4 to 15.75.

miles/hour

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i mean math is my second favorite subject

Step-by-step explanation:

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