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olchik [2.2K]
4 years ago
12

-12 = -6(-8n + 6) + 8(-4+n) How do you solve this equation

Mathematics
1 answer:
ollegr [7]4 years ago
3 0

Answer:

n=1

Step-by-step explanation:

distribute

-6 times -8n is =48n

-6 times 6 =-36

8 times -4 = -32

8 times n =8n

rewrite equation

48n-36+-32+8n=-12

48n+8n-36-32=-12

56n-68=-12

add 68 on both sides

=56

56n=56

n= 1

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I have 12 Apple and I put the theme 6 baskets​
sp2606 [1]

Answer:

you put 2 apples in each basket

Step-by-step explanation:

draw 6 baskets and put two apples in each one to add up to 12

7 0
3 years ago
Cody was 165\,\text{cm}165cm tall on the first day of school this year, which was 10\%10% taller than he was on the first day of
Doss [256]

Answer:

165 cm.

Step-by-step explanation:

Let h be the height of Cody on the first day of school last year.

We have been given that Cody was 165 cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

To find the height of Cody on the first day of school last year, we need to find h such that h plus 10% of h equals 165. We can represent this information in an equation as:

h+10\%\text{ of }h=165

h+(\frac{10}{100}*h)=165

h+0.10*h=165

1.10*h=165

Let us divide both sides of our equation by 1.10.

\frac{1.10*h}{1.10}=\frac{165}{1.10}

h=150

Therefore, Cody was 150 cm tall on the first day of school last year.

5 0
4 years ago
Scores on a statewide standardized test are normally distributed with a mean of 12.89 and a standard deviation of 1.95. Certific
Ulleksa [173]

Answer:

Marcus score is 13.7, the mean is 12.89, and the standard deviation is 1.95, so I’ll do ( 13.7 – 12.89)/ 1.95, Since Marcus' z-score is 0.415. The area to the left of the z-score is 65.9% so therefore Marcus did scored better than 65.9% of the students. So Marcus needs to score 98% better of all the other students in order for him to receive an actual certificate.

Step-by-step explanation:

4 0
3 years ago
Someone knows how to do this?
devlian [24]

Answer:

w = 9

Step-by-step explanation:

All angles are multiplied by 3 from the smaller one

6 0
3 years ago
Read 2 more answers
Solve 2x + 3y = 11 and 2x - 4y = -24 and hence find the value of 'm' for which y=mx+3.
zhenek [66]

Answer:

m=-1

Step-by-step explanation:

2x+3y=11............. (eqn 1)

2x-4y=-24...........(eqn 2)

Subtract eqn 1 from eqn 2

7y=35

y=5

Substitute for y in eqn 1

2x+3(5)=11

2x+15=11

2x=11-15

2x=-4

x=-2

y=mx+3

5=-2m+3

5-3=-2m

2=-2m

m=-1

8 0
3 years ago
Read 2 more answers
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