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Mandarinka [93]
3 years ago
14

*Can someone please help me out with this one?*

Mathematics
2 answers:
Talja [164]3 years ago
5 0
Either A - the value of r would increase or B- the value of r would not change.
Anon25 [30]3 years ago
3 0

Answer:

B) The value of r would not change

Step-by-step explanation:

If there's a positive association between sodium and calories, that's like saying there's a positive association between calories and sodium. Therefore, the value of r would not change because both variables are still increasing with each other.

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Solve the following equation for x.
motikmotik

Option C is answer.

Step-by-step explanation:

Hey there!

Given;

\frac{x - 5}{2}  =  - 6

<em>Mul</em><em>tiply</em><em> </em><em>"</em><em>-</em><em>6</em><em>"</em><em> </em><em>and</em><em> </em><em>"</em><em>2</em><em>"</em><em>.</em>

<em>x - 5 =  - 6 \times 2</em>

<em>x - 5 =  - 12</em>

<em>Shi</em><em>ft</em><em> </em><em>"</em><em>-</em><em>5</em><em>"</em><em> </em><em>on</em><em> </em><em>right</em><em> </em><em>side</em><em>.</em>

<em>x =  - 12 + 5</em>

Therefore, X = -7.

<em><u>Hope</u></em><em><u> </u></em><em><u>it</u></em><em><u> helps</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>

3 0
3 years ago
Can someone please help
atroni [7]

Answer:

Step-by-step explanation:

1)

\frac{5}{24}+\frac{2}{3-x}=\frac{1}{4}\\\\\frac{5}{24}-\frac{1}{4}=\frac{-2}{3-x}\\\\\frac{5}{24}-\frac{1*6}{4*6}=\frac{-2}{3-x}\\\\\frac{5-6}{24}}=\frac{-2}{3-x}\\\\\frac{-1}{24}}=\frac{-2}{3-x}\\\\\\(-1)*(3-x)=(-2)*24\\\\-1*3-(-1)*x = -48\\\\-3 + x = -48\\\\x = -48 + 3\\\\x = -45

x = -45

2)

4 0
3 years ago
In a 10 mile race, Janet covered the first 2 miles at a constant rate. She then sped up and rode her bike the last 8 miles at a
xenn [34]

Answer:

0.83\text{ miles per minute}

Step-by-step explanation:

GIVEN: In a 10 mile race, Janet covered the first 2 miles at a constant rate. She then speed up and rode her bike the last 8 miles at a rate that was 0.5 miles per minute faster. Janet's overall time would have been 2 minutes faster had she ridden her bike the whole race at the faster pace.

TO FIND: What was Janet's average speed (in miles per minute) for the whole race?

SOLUTION:

let the speed of Janet in first 2\text{ miles}  =x\text{ miles per minute}

speed of Janet's bike in last 8\text{ miles}  =x\text{+0.5 miles per minute}

total time taken by Janet,

\text{Time}=\frac{\text{distance}}{\text{speed}}

\text{Time taken}=\frac{2}{x}+\frac{8}{x+0.5}\text{minute}

Time taken if Janet rides whole race at faster pace =\frac{10}{x+0.5}\text{minute}

 

As, Janet's overall time would have been 2\text{ minutes} faster had she ridden her bike the whole race at the faster pace.

\frac{2}{x}+\frac{8}{x+0.5}=\frac{10}{x+0.5}+2

\frac{2}{x}-\frac{2}{x+0.5}=2

\frac{1}{x}-\frac{1}{x+0.5}=1

x^{2} +0.5x-1=0

on solving we get

x=0.5\text{ miles per minute}

\text{Time taken}=\frac{2}{x}+\frac{8}{x+0.5}\text{minute}

\text{Time taken}=\frac{2}{0.5}+\frac{8}{1}\text{minute}

\text{Time taken}=\frac{2}{x}+\frac{8}{x+0.5}\text{minute}

\text{Time taken}=12\text{minute}

Average speed =\frac{\text{total distance}}{\text{time taken}}

Average speed =\frac{10}{12}=0.83\text{miles per minute}

Therefore average speed of Janet was 0.83\text{ miles per minute}

4 0
3 years ago
A scatter plot is shown
Gala2k [10]

Outlier - Distant from the rest.


(1,9) and (10,7) are outliers.

Answer - 2

Hope this Helps!!

6 0
3 years ago
Read 2 more answers
Help please mark u brainlist
Inessa05 [86]

Answer:

1)  12h - 10

2) 63m + 54

3) 21z - 12

4) 77w - 54

5) -72n + 28

6) 20y + 63

7) -24g -72

8) -63w + 14

9) -21s

10)  -6m -12

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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