3 years ago

Solve the system of linear equations by elimination x−2y=−7 3x+2y=3

Mathematics

1 answer:

Amiraneli [1.4K]3 years ago

7 0

Answer: (-1,3)
Explanation: Substitute 3 for y x=2x -7

x=(2)(3)-7

You might be interested in

If I can travel 280 miles in 4.5 hours how many hours will it take me to travel 500 miles round to the nearest hundred

Lelu [443]

Answer: 8.01

Step-by-step explanation:

Speed = distance/time = 280/4.5 = 62.44mph

Time = distance/speed = 500/62.44 = 8.0071 hrs

6 0

2 years ago

Rodney sold 45,612 copies of his book and Beth sold 45,612 x one half copies of her book. Which statement compares the numbers o

hoa [83]

Answer:

Rodney sold 45,612 copies of his book and Beth sold 45,612 x one half copies of her book. Which statement compares the numbers of book copies sold? Beth sold half the number of book copies that Rodney sold.

Rodney sold half the number of book copies that Beth sold.

Beth sold twice the number of book copies that Rodney sold.

Rodney sold the same number of book copies that Beth sold.

Step-by-step explanation:

5 0

3 years ago

Find an expression in simplest form for the verbal description. The total pay for 12 hours of work at a base rate of P per hour

Jobisdone [24]

Base:
$12 \times p = 12p \\$
Bonus:
$12 \times 1.50$
Total:
$12 \times (p + 1.50)$

6 0

2 years ago

Caroline wants to give 8 equal size packets of flower seeds to her friends. she has half a pound of sunflower seeds. how much wi

777dan777 [17]

If she has half a pound of sunflower seeds and wants to split it into eight equal packets, each packet would be 1/16 of a pound. 1/16 of a pound is 1 ounce.

Therefore, each packet of seeds would weigh 1 ounce (1 oz.)

4 0

3 years ago

Read 2 more answers

A store offers a 15% discount on all iterms in the store during a sale. All store emloyees get an additional 10% employee discou

kompoz [17]

Answer:

The cost would be $81.09

Step-by-step explanation:

In order to find the amount Chris will spend, start with the equation and input 100 for every x that you see.

c=0.765x +0.06(.765x)

c=0.765(100) +0.06(.765[100])

c = 76.50 + 0.06*(76.50)

c = 76.50 + 4.59

c = 81.09

4 0

3 years ago