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ehidna [41]
3 years ago
8

Use a graphing calculator to determine the solution of 1-2x - y = 2 13x + 2y=1

Mathematics
1 answer:
Arte-miy333 [17]3 years ago
6 0
The first one is 2x+y=-1

the second one is 13x+2y-1=0
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IS this table linear?? Can someone please explain???? What would the weight be if the number of weeks in the fitness program was
boyakko [2]

Answer:

  • not linear
  • somewhere between 184 and 186 (maybe)

Step-by-step explanation:

As you show, the weight differences are different for the same week differences, so the table is not linear. A graph (attached) can also show you the table is not linear.

__

The highest rate of weight loss shown in the table is 7 lbs in 3 weeks, or 4 2/3 pounds in 2 weeks. The lowest rate of weight loss shown in the table is 5 lbs in 3 weeks, or 3 1/3 pounds in 2 weeks. Based on the rates shown in the table, we might expect the starting weight to be between 3 1/3 and 4 2/3 pounds more than the first table value:

  Week 0 weight: between 184 1/3 and 185 2/3 lbs, estimated.

_____

A "line of best fit" for the data has a y-intercept of about 185 pounds, which is the midpoint between our two estimates above.

8 0
4 years ago
If the length of the rectangle is twice the width and the perimeter of the rectangle is 30 cm, what is the length and width of t
soldi70 [24.7K]
The length of the rectangle is 10, while the width of the rectangle is 5.
4 0
3 years ago
HELP PLEASE BRAINLIEST TO WHOEVER GETS IT RIGHT.
lisov135 [29]

Answer:

I believe the answer is D; 5/20+(-12/20).

Step-by-step explanation:

1/4-3/5

5/20-12/20

-7/20

5/20+(-12/20)

5/20-12/20

-7/20

Hope this helps! :D

4 0
3 years ago
What is the measure of angle B?
Talja [164]

Answer:

61.8°

Step-by-step explanation:

102.8°+15.4°+B =180°

118.2°+B =180°

B=180°-118.2°

B = 61.8°

8 0
3 years ago
yahir has 1/2 gallon of milk in a container. He pours 1/16 gallon in a mixing bowl. What fraction of a gallon does yahir have le
fgiga [73]
I made the denominators the same 
8/16=1/2
I subtracted 1/16 from 8/16
8/16 - 1/16+ 7/16
Yahir has 7/16 of a gallon of milk left
4 0
3 years ago
Read 2 more answers
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