2 years ago

Solve the system using elimination. 3x + 3y = –9 3x – 3y = 21

1 answer:

3 0

<span>3x + 3y = –9
3x – 3y = 21
-----------------add
6x = 12
x = 2

</span>3x + 3y = –9
3(2) + 3y = -9
6 + 3y = -9
3y = -15
y = -5

x = 2 and y = -5

answer: <span>C. (2, –5)</span>

You might be interested in

A 120 lb. person would weigh about 20 lb. on the earth's moon. A 150 lb. person would weigh 28 lb. on Io, a moon of Jupiter. Whi

____ [38]

Answer:

Step-by-step explanation:

Earth's moon makes a person weigh about 1/6 of their Earth weight. Io makes a person weigh more than that, because 1/6 of 150 pounds is 25 pounds.

5 0

3 years ago

What is the measure of x? Please help!

Zepler [3.9K]

Answer:

x =√[y²+(27)²] = √[ z² - 3² +(27)²]

Step-by-step explanation:

step 1) x=√[y²+(27)²]

step 2)

We find y

z²=y²+3² → y² = z² - 3²

step 3) x = √[ z² - 3² +(27)²]

7 0

2 years ago

Which statement best describes f(6) = 12?

shutvik [7]

Answer:

You did not include any statements?

Step-by-step explanation:

6 0

2 years ago

Read 2 more answers

A $0.88 for 4 oz

myrzilka [38]

Answer:

Step-by-step explanation:

5 0

2 years ago

Michael

KengaRu [80]

Answer:

I believe the answer should be 90%

4 0

3 years ago