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Vesnalui [34]
3 years ago
11

Y=3x−5 and y=x−1 ​ Is (2,1) a solution of the system?

Mathematics
1 answer:
zlopas [31]3 years ago
7 0

Answer:

Yes (2,1) is a solution to the equation

Step-by-step explanation:

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A backpack that normally sells for $39 is on sale for 30% off. Find the amount of the sale price
andrey2020 [161]

Answer:

26.13 sale price discount 12.87

Step-by-step explanation:

I do not know how to explain it to where you will understand it but the sale price is 26.13 and the discount it 12.87

Hope that helps

8 0
3 years ago
What is the quadratic regression equation that fits these data?
adelina 88 [10]

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Step-by-step explanation:

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5 0
3 years ago
Select the correct answer.
valkas [14]

Answer:

  • <u><em>Option D. 0.50</em></u>

Explanation:

1. Two-way table:

                Calories per Day:

                1000 to 1500      1500 to 2000     2000 to 2500   Total

Weight

120 lb.               90                        80                        10                180

145 lb.               35                       143                        25               203

165 lb.                15                        27                        75                 117

Total                 140                     250                       110               500

2. Total number of persons

Look at the intersection of the totals for the columns and the rows: 500

3. Number of persons that consume 1,500 to 2,000 calories in a day

Look at the total for the column 1,500 to 2,000 calories per day: 250

4. Probability that a person consumes 1,500 to 2,000 calories in a day, P

  • P = number of persons that consume 1,500 to 2,000 calories / total number of persons

  • P = 250 / 500 = 0.50 ↔ option D.
6 0
3 years ago
Pls somone help me plssssss
Alex787 [66]

Answer:

a

Step-by-step explanation:

it LOST 950, which make the integer negative. in the second part of the answer, look for "earn", because to undo loss, you must gain.

Happy new years!

7 0
3 years ago
Read 2 more answers
Help me with number 11
olga2289 [7]
Associative Property...

(7+x)+3= 7+(x+3)

this is the correct one !!!
8 0
4 years ago
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