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Zanzabum
3 years ago
7

What is the Answer to 3(4+n)=-3

Mathematics
2 answers:
lara [203]3 years ago
8 0

Answer:

Step-by-step explanation:

12+3n=-3

3n=-15

N=-5

aev [14]3 years ago
7 0

Answer:

n=-5

Step-by-step explanation:

12+3n=-3

3n=-15

n=-5

First, you subtract 12 from both sides of the equation. Now, you should have 3n=-15. Next, you divide 3 on both sides of the equation to get your answer of n=-5

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Caroline took a math test and got 19 out of 25 questions correct. What percent of the questions did she answer correctly?
algol [13]

Answer:

76%

Step-by-step explanation:

do the amount of correct answers divided by the total of questions asked.

5 0
3 years ago
Given the ordered pairs (5,3), (-4, 2) and (-2,-6)
Furkat [3]
Answer: ( -2, 4 )

Reason:
The x value is horizontal. Thus anything that says left or right is talking about the x value.
The x value is listed first on the point
(x, y)
When the x value goes left it is negative
When it goes right it is positive

The y value is vertical
It is listed last on the point (x , y)
When it goes up it is positive
When it goes down it is negative

Hope this helps

7 0
3 years ago
Read 2 more answers
Combine like terms.<br> 9y2 + 9(7y2-5) =<br> I need this for now please
nataly862011 [7]

Answer:

72y2-45

Step-by-step explanation:

9y2 + 9(7y2 - 5)

you multiply the 9 by the stuff in the parentheses

9y2 + 63y2 - 45

72y2-45

7 0
3 years ago
1\2 x 12 x 14 plz I need help
viva [34]

Answer:

84

Step-by-step explanation:

  x12

Simplify   ———

           x14

Dividing exponential expressions :

1.1    x12 divided by x14 = x(12 - 14) = x(-2) = 1/x2

Final result :

  1

 ——

 x2

7 0
3 years ago
In a certain​ chemical, the ratio of zinc to copper is 3 to 16 . A jar of the chemical contains 416 grams of copper. How many gr
Anna71 [15]

Answer:

the number of grams of zinc contain is 78

Step-by-step explanation:

The computation of the number of grams of zinc contain is shown below:

Given that the ratio of zinc to copper is 3:16

And, the jar of the chemical has 416 grams copper

So, the number of zinc grams would be

here we assume the zinc grams be x

Now the equation would be

3 ÷ 16 = x ÷ 416

Now applied the cross multiplication

16x = 416 × 3

x = (416 × 3) ÷ 16

= 78

Therefore the number of grams of zinc contain is 78

7 0
3 years ago
Read 2 more answers
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