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maksim [4K]
3 years ago
9

-1/3(n + 15) = -2 Explain how to solve it.

Mathematics
2 answers:
liq [111]3 years ago
6 0
Well, BEDMAS contains the answer

Brackets first
We have a variable here so we won’t touch it for now

Multiplication
Cancel the fraction by multiplying by the denominator
-1(n+15) = -6

Divide by -1 to isolate the brackets
N+15 = 6

Add 15 to both sides
N = 21

Double check by putting 21 instead of n into the equation
Galina-37 [17]3 years ago
3 0

So for this one you need to distribute -1/3 to n and 15........

-1/3n-5= -2

then to get "n" by itself you need to then add 15 on both sides. 15 will cancel out with -15 (because it becomes 0)...... -1/3n= 3

Then you multiply -3/1 on both sides (you do that to get n by itself (cancellation)), and multiply -3/1 with 3......... n= -9 (ANSWER)



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your current wardrobe consists of eleven different items: three pairs of shoes, two pairs of pants, and six different shirts. yo
Alex73 [517]

<u>A </u><u>pair of shoes</u><u> gives us</u><u> 48 </u><u>different outfits.</u>

What is a linear equation?

  • A linear equation is an algebraic equation of the form y=mx+b, where m is the slope and b is the y-intercept, and only a constant and a first-order (linear) term are included.
  • The variables in the preceding equation are y and x, and it is occasionally referred to as a "linear equation of two variables." from Wolfram MathWorld: linear

We will employ the basic counting principle, which states that if one task can be completed in method A and another in way B, then both tasks may be completed in way A*B.

If mom buys 1 shirt, then total shirts(A) = 6+1 =7, total pants(B) = 2 and total shoes (C) = 3

By basic counting principle, number of outfits = A*B*C = 7*2*3 = 42 outfits possible

and

If mom buys 1 pair of shoes, then total shirts(A) = 6, total pants(B) = 2 and total shoes (C) = 3+1 = 4

By basic counting principle, number of outfits = A*B*C = 6*2*4 = 48 outfits possible

hence, buying a pair of shoes gives us 48 different outfits.

Learn more about linear equation

brainly.com/question/11897796

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6 0
1 year ago
What is the answer? <br>x+y=15 <br>-2x+5y=-2​
zavuch27 [327]
Multiply the first equation by 2

2x + 2y =30

now we’ll add the second equation to the first equation

2x + 2y =30
-2x+5y= -2

7y=28

divide by 7

y=4

now plug y back into the first equation

x + 4 = 15

subtract 4

x=11
6 0
3 years ago
Donna read 18 out of 30 pages in her book.What percent of the book did she read?​
inysia [295]

Answer:

60

Step-by-step explanation:

18 /30 is .6. So the answer would be 60 percent

6 0
3 years ago
Read 2 more answers
HELP PLSSSS!!!
Bumek [7]

Answer:

6

Step-by-step explanation:

60 divided by 10

3 0
3 years ago
Read 2 more answers
How many x intercept appear on the graph of the polynomial function F(x)=x4-5x2
4vir4ik [10]
f(x)=x^4-5x^2\\\\x^4-5x^2=0\\\\x^2(x^2-5)=0\\\\x^2[x^2-(\sqrt5)^2]=0\\\\x^2(x-\sqrt5)(x+\sqrt5)=0\iff x=0\ \vee\ x=\sqrt5\ \vee\ x=-\sqrt5

Answer: 3 x-intercepts.

3 0
3 years ago
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