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love history [14]
3 years ago
10

The following scatter plot represents the relationship between a person's weight and the number of calories the person burns in

one minute of jump roping.
Using the line of best fit, about what weight would a person be if they burned 15 calories per minute?

150 lbs.
180 lbs.
220 lbs.
125 lbs.

Mathematics
1 answer:
nydimaria [60]3 years ago
6 0

Answer:

They would be roughly 180 Ibs.

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Question 3
Ymorist [56]

To write an equation to represent a given information, the equations are to

expresses the information conveyed in the situation.

The two equations that represent the given information are;

  • <u>x + y = 25</u>
  • <u>5.6·x + 4·y = 133.6</u>

Reasons:

The given information are;

Mass of the large boxes = 5.6 kg

Mass of the small boxes = 4 kg

Number of boxes delivered = 25 boxes

Total mass of the boxes delivered = 133.6 kg

Number of the 5.6 kg box delivered = x

Number of the 4 kg boxes delivered = y

Required:

To form two equations in terms of <em>x</em> and <em>y</em> to represent the situation.

Solution:

The two equations are;

  • The number of boxes delivered = <u>x + y </u><u>= 25</u>
  • Total weight of the boxes delivered = <u>5.6·x + 4·y </u><u>= 133.6</u>

<em>Solving the above equations with a graphing calculator gives;</em>

  • <em>x = 21, y = 4</em>

<em />

Learn more about writing equations here:

brainly.com/question/15790322

5 0
2 years ago
5+ 1/7b = -2<br>whats be and explanation<br>(don't get it cause its a fraction)
oee [108]
5+(1/7)b=-2

First subtract 5 from both sides. Our goal is to isolate b.
5+(1/7)b-5= -2-5
(1/7)b= -7

Now multiply both sides by 7 because (1/7)*7= 7/7 or 1.
7* (1/7)b= -7*7
1b= -49

Final answer: b= -49
8 0
3 years ago
I need help with this please ASAP!!!!!!!
ycow [4]

Answer:

2 in

Step-by-step explanation:

Square of 256 is 16.

16 divided by 8 (8 rows of squares on the board).

So, the side length of the small squares is 2 inches.

5 0
3 years ago
Read 2 more answers
Help please ive been stuck for way to long 37 points no joke
Lelu [443]
-7/15.
You multiply the numerator and denominator to get -21/45. To simplify, divide each by the greatest common factor, which is three, to get -7/15.
3 0
3 years ago
Anybody know what the answer is?
Rudik [331]
Side b is adjacent to the 30° angle so use cosine to solve. (soh cah toa)

cos(30°) = b/12

12*cos(30°) = b

cos(30°) is √(3)/2

12*(√(3)/2 ) = b

6√(3) = b

3 goes in the box



8 0
4 years ago
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