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Brut [27]
2 years ago
8

Which of the following ordered pair is the solution to the system of equations?

Mathematics
1 answer:
iren [92.7K]2 years ago
3 0

Answer:

a

Step-by-step explanation:

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A student made a sketch of a potential energy diagram to represent an exothermic reaction.
Jlenok [28]

Answer:

This is not correct

Step-by-step explanation: I am just a 6th grader but i know this question, it is not correct because potential energy is mostly staying in one place this would be kenetic energy because it is moving.

5 0
3 years ago
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How do you square a variable
77julia77 [94]
To square means to multiply something by itself. A variable is a letter such as x. So a squared variable=x×x=x^2.
I hope that helped.
8 0
3 years ago
Sandra saves 7% of her salary for retirement. This year her salary was $2,000 more than her salary than in the previous year, an
Effectus [21]

9514 1404 393

Answer:

  • 2,000
  • $45,000

Step-by-step explanation:

Where x represents the previous year's salary, its amount this year is said to be ...

  x + 2000

The equation is trying to reflect the fact that 7% of that is $3,290. The missing number is 2000:

  0.07(x +2000) = 3290

__

Solving for x, we find ...

  x = (3290/0.07) -2000 = 45000

Sandra's salary the previous year was $45,000.

3 0
2 years ago
What is the answer to this?
Yanka [14]
DEF= 6 ft^2

A= 1/2*b*h

Plug in what you know.

6= 1/2*4*h

Multiply like terms. 

6=2*h

Divide 2 on both sides. 

3=h

If the base of ABC= 12

12/4=3

3*3=9

A= 1/2*b*h
A= 1/2*12*9
A= 1/2*84
A= 42

The area of ABC is 42 ft^2

I hope this helps!
~kaikers
5 0
3 years ago
Please help me with this fast.
N76 [4]

Answer:

180. rjdbdhsbshdbsbsbzbd

4 0
2 years ago
Read 2 more answers
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