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Stells [14]
3 years ago
12

Please help me get the answers. I don't understand it

Mathematics
1 answer:
lorasvet [3.4K]3 years ago
3 0
Number 14:
When looking at the table, the x has an increase of 3 while the y is an increase of 6. We need to divide the difference of the y by the difference of x.
6/3=2
So, that means every time x changes by one, y changes by 2. At 9, the corresponding number is 15. Since we’re to 10, the corresponding number has to be 17.
So, the answer is b, 17.

Number 15:
This problem deals with perimeter. No matter what, the perimeter is 12 feet.
To find perimeter, it is 2l+2w=12
We have the length, so let’s put it in.
2(4.5)+2(w)=12
Let’s multiply.
9+2w=12
We need w by itself, so we need to subtract 9 from both sides then divide by 2.
2w=3
3/2=1.5
The answer is A, 1.5.
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Retha Davidson works for a word processing center keying straight copy.
Nataliya [291]

Using proportions, it is found that:

  • In an 8-hour day, she keys 48 pages.
  • For a day, her gross earnings are of $72.
  • For a week, her gross earnings are of 72 x 7 = $504.

<h3>Proportions:</h3>

This question is solved using the proportions given, which are:

  • Payment of $1.50 per page of 30 lines.
  • Retha keys 6 pages per hour.

Hence, in an 8-hour day, she keys 6 x 8 = 48 pages.

Since she earns $1.50 per page, for a day, her gross earnings are of 48 x 1.5 = $72.

Considering a week has 7 days, for a week, her gross earnings are of 72 x 7 = $504.

To learn more about proportions, you can take a look at brainly.com/question/24372153

5 0
2 years ago
Help.................................................
velikii [3]

Answer:

3 newtons to the left

Step-by-step explanation

since the arrows are pointing towards each other you have to subtract

5-2=3

Since five is the greatest number it will be pushing to the left

6 0
3 years ago
I need help fast!!!!!!!!!!!
Vedmedyk [2.9K]

Answer:

Track 2

Step-by-step explanation:

180 degrees would turn the train completely around so if it entered on track 2 then it left on track 2

7 0
3 years ago
URGENT! PLEASE HELP!!
geniusboy [140]

Answer:

A= 5cm

B=13cm

C=15cm

hope this helps!

6 0
3 years ago
Read 2 more answers
What is the transformation for y = lxl + 3 ?
anyanavicka [17]

Answer: Center: (0,0)

Vertices: ( √3 , 0 ) , ( − √3 , 0 )

Foci: ( √6 , 0 ) , ( − √6 , 0 )

Eccentricity: √2

Focal Parameter: √6/2

Asymptotes: y = x , y = − x

How to: Rewrite in vertex form and use this form to find the vertex ( h , k ) .

Have a great day and stay safe !

3 0
3 years ago
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