All categories

3 years ago

Solve the system by elimination 2x-3y=23 x+3y=-20

Mathematics

1 answer:

Fantom [35]3 years ago

4 0

Answer:

x = 1

y = -7

Step-by-step explanation:

2x-3y=23

+ x+3y =-20

3x + 0 = 3

x = 1

(1) + 3y = -20

-1 -1

3y = -21

y = -7

You might be interested in

Question #7

hoa [83]

Answer:

D. 126

Step-by-step explanation:

6 0

3 years ago

you deposit $3350 into a savings account that earns 5% interest compounded annually. Find the balance of the account after 2 yea

SpyIntel [72]

Answer:

$3702.32

Step-by-step explanation:

We use the formula B=Pe^(rt)

B=3350e^(0.05*2)

B=3350e^0.1

B=3702.32

So about $3702.32

4 0

4 years ago

What is the square root of 165

Fynjy0 [20]

Answer:

12.8 is the square root i think like u could simplify the square toot of 165 since it isnt a whole number

Step-by-step explanation:

sorry if its wrong

4 0

3 years ago

Tema [17]

Maybe B (not sure).................

5 0

3 years ago

What value of x makes the equation 1/9x+6=8 true

Mademuasel [1]

Answer:

Step-by-step explanation:

Subtract 6 from both sides so the equation becomes 1/9x=2. Multiply by the reciprocal on both sides (9)1/9x=2(9).

This cancels out to x=18

6 0

3 years ago