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siniylev [52]
3 years ago
10

How to do a word phrase 2(5-n)

Mathematics
1 answer:
scoray [572]3 years ago
8 0
Twice the difference of 5 and n.
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A stack of 6 bricks is 2 feet high. How high is a stack of 20 bricks?
Korolek [52]
60.

The question gives you the fact that 6 bricks is 2 feet high.

What do you do to get from 2 to 20?
You multiply by 10.

Since you multiplied one thing by 10, you must do it to the other side so it remains balanced.

2 ft x 10ft = 20ft

6 bricks x 10 bricks = 60 bricks
8 0
2 years ago
6 = -4x + y<br> -5x - y = 21<br> Please Help Fast!!!!!! Substitution
Vera_Pavlovna [14]

Answer:

y = 4x + 6

-5x - 4x - 6 = 21

-9x - 6 = 21

-9x = 27

x = -3

y - 4(-3) = 6

y + 12 = 6

y = -6

(-3, -6)

5 0
3 years ago
What are the solutions of 2x^2 + 16x + 34 = 0?
nexus9112 [7]

Answer :

2x^2 + 16x + 34 = 0? X= -4 -1i X= 4+1i

Step-by-step explanation:

-

6 0
2 years ago
The cost of a babysitting on a cruise is 10 for the first hour, and 12 for each additional hour. If the total cost of baby Aaron
Sliva [168]

<u>Answer:</u>

5 hours  was Aaron at the sitter

<u>Explanation: </u>

Cost of baby sitting for the first hour: 10

Cost of baby sitting for additional hour= 12

Total cost of babysitting= 58

Since the cost of first hour is 10

Hence  the remaining cost after first hour

= 54-10

=48

Which means 1 hour  is consumed in the first hour

Now to calculate the remaining hours for every additional hour

= \frac{48}{12}

=4 hours

Hence the total hour Aaron was with the sitter

= 1 hour + 4 hours

= 5 hours

4 0
3 years ago
Answer this question.. Anyone who want increase the level but having brainliest. then answer​
Elanso [62]

Answer:

You did it correctly what answer you want ??

4 0
2 years ago
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