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storchak [24]
3 years ago
9

Determine if the ordered pair is a solution of the equation. Is the point (2,1) is a solution of the equation: y = 2x - 3?

Mathematics
1 answer:
vladimir2022 [97]3 years ago
7 0
I think it is false but I am not for sure
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IS (1, 2) of a solution set of x+ y = 3 and 2 x + 7 y = 16 ?​
Brilliant_brown [7]

Answer:

yes

Step-by-step explanation:

x=3-y

2(3-y)+7y=16

6-2y+7y=16

5y=10

y=2

x=3-2=1

6 0
3 years ago
Gabrielle and Rob each earn $22 an hour, and each works 40 hours this week. Rob spends 1/2 of his earnings this week on bills an
Zielflug [23.3K]

The amount spent is an illustration of subtraction and proportions

The amount left in his earnings is $414.25

<h3>How to determine the amount left in his earnings?</h3>

The given parameters are:

Rate = $22 per hour

Time = 40 hours

So, the total earnings is:

Total = $22 * 40

Evaluate

Total = $880

He spent half on bills.

So, we have:

Bills = 0.5 * $880

Bills = $440

He buys a video game for $25.75

So, the amount left is

Amount left = $880 - $440 - $25.75

Amount left = $414.25

Hence, the amount left in his earnings is $414.25

Read more about proportions at:

brainly.com/question/843074

5 0
2 years ago
Rewrite the expression by factoring out (y-8).<br> 3y^2(y-8)+7(y-8)
guajiro [1.7K]

Answer

(y-8)x(3y^+7)

Step-by-step explanation:

3y^2(y-8)+7(y-8)

(y-8)x(3y^+7)

8 0
3 years ago
A 30-year-old female purchased a 20-Year Endowment insurance policy at the age of 23. The face value of the policy was $78,250.
FrozenT [24]

Answer:

B

Step-by-step explanation:

Annual Premium of $2,957.85; 26 years and 10 days

8 0
3 years ago
Read 2 more answers
How would I solve 3+x=9?
kotegsom [21]

Answer:

x=6

Step-by-step explanation:

3+x=9

-3    -3

x=6

5 0
3 years ago
Read 2 more answers
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