1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Zarrin [17]
4 years ago
8

The sum of a number,n,and 8 is multiplied by -4 ,and the result is -12 .what is the number?

Mathematics
2 answers:
GREYUIT [131]4 years ago
8 0
(8+n)*-4=-12
-32-4n=-12
-4n=20
n=-5
Anastasy [175]4 years ago
4 0
Sum of n and 8 = (n + 8)

Multiplied by -4  =  -4*(n + 8)

Result = -12

-4*(n + 8) = -12            Divide both sides by -4

(n + 8) = -12/-4

n + 8 = 3

n = 3 - 8

n  = -5.

The number is -5.

You might be interested in
According to some students, what is the true purpose of homework?
Sholpan [36]
Well acording to my teachers the true purpose of homework is to forge your mind to look beyond everyone else's mind by trying to get good grades
5 0
3 years ago
Use the drawing tools to form the correct answer on the grid.
Rus_ich [418]

Answer:

Here is the answer I got when I graphed the equation I got it correct so here it is: Hope this Helps!!!

Step-by-step explanation:

Draw a line exactly from 120 to the top of number 9 on the x axis labeled # of Books

PLEASE GIVE BRAINLIEST IF THIS HELPED!!!

THANKS!!!

7 0
4 years ago
write correct if the operations are listed in the correct order. if not correct, write the correct order of operations. 3x4÷2 di
Gemiola [76]
PEMDAS applies, so it should be multiply, then divide.
3 0
3 years ago
Read 2 more answers
HELPPP ASAP !!! it’s for a test
Marina86 [1]

Answer:

-4, 1, 2, 3

Step-by-step explanation:

I put them from least to greatest.

4 0
3 years ago
Read 2 more answers
Evaluate a(b - c ^ 2) * if * a = 2/3, b = 3/4, c = 1/2 A: 1/65 B: 1/3 C: 1/4 D: 2/3
DiKsa [7]

Answer:

If a+b+c=1,

a

2

+

b

2

+

c

2

=

2

,

a

3

+

b

3

+

c

3

=

3

then find the value of

a

4

+

b

4

+

c

4

=

?

we know

2

(

a

b

+

b

c

+

c

a

)

=

(

a

+

b

+

c

)

2

−

(

a

2

+

b

2

+

c

2

)

⇒

2

(

a

b

+

b

c

+

c

a

)

=

1

2

−

2

=

−

1

⇒

a

b

+

b

c

+

c

a

=

−

1

2

given

a

3

+

b

3

+

c

3

=

3

⇒

a

3

+

b

3

+

c

3

−

3

a

b

c

+

3

a

b

c

=

3

⇒

(

a

+

b

+

c

)

(

a

2

+

b

2

+

c

2

−

a

b

−

b

c

−

c

a

)

+

3

a

b

c

=

3

⇒

(

a

+

b

+

c

)

(

a

2

+

b

2

+

c

2

−

(

a

b

+

b

c

+

c

a

)

+

3

a

b

c

=

3

⇒

(

1

×

(

2

−

(

−

1

2

)

+

3

a

b

c

)

)

=

3

⇒

(

2

+

1

2

)

+

3

a

b

c

=

3

⇒

3

a

b

c

=

3

−

5

2

=

1

2

⇒

a

b

c

=

1

6

Now

(

a

2

b

2

+

b

2

c

2

+

c

2

a

2

)

=

(

a

b

+

b

c

+

c

a

)

2

−

2

a

b

2

c

−

2

b

c

2

a

−

2

c

a

2

b

=

(

a

b

+

b

c

+

c

a

)

2

−

2

a

b

c

(

b

+

c

+

a

)

=

(

−

1

2

)

2

−

2

×

1

6

×

1

=

1

4

−

1

3

=

−

1

12

Now

a

4

+

b

4

+

c

4

=

(

a

2

+

b

2

+

c

2

)

2

−

2

(

a

2

b

2

+

b

2

c

2

+

c

2

a

2

)

=

2

2

−

2

×

(

−

1

12

)

=

4

+

1

6

=

4

1

6

Extension

a

5

+

b

5

+

c

5

=

(

a

3

+

b

3

+

c

3

)

(

a

2

+

b

2

+

c

2

)

−

[

a

3

(

b

2

+

c

2

)

+

b

3

(

c

2

+

a

2

)

+

c

3

(

a

2

+

c

2

)

]

=

3

⋅

2

−

[

a

3

(

b

2

+

c

2

)

+

b

3

(

c

2

+

a

2

)

+

c

3

(

a

2

+

b

2

)

]

Now

a

3

(

b

2

+

c

2

)

+

b

3

(

c

2

+

a

2

)

+

c

3

(

a

2

+

b

2

)

=

a

2

b

2

(

a

+

b

)

+

b

2

c

2

(

b

+

c

)

+

c

2

a

2

(

a

+

c

)

=

a

2

b

2

(

1

−

c

)

+

b

2

c

2

(

1

−

a

)

+

c

2

a

2

(

1

−

b

)

=

a

2

b

2

+

b

2

c

2

+

c

2

a

2

−

(

a

2

b

2

c

+

b

2

c

2

a

+

c

2

a

2

b

)

=

−

1

12

−

a

b

c

(

a

b

+

b

c

+

c

a

)

=

−

1

12

−

1

6

⋅

(

−

1

2

)

=

0

So

a

5

+

b

5

+

c

5

=

6

−

0

=

6

Step-by-step explanation:

8 0
3 years ago
Other questions:
  • Is smoking during pregnancy associated with premature births? To investigate this question, researchers selected a random sample
    10·1 answer
  • I need help asap<br><br> what is the mode of 63, 70, 75, 80, 85, 85, 85, 92, 92, 95, 99
    6·2 answers
  • What is 8.904. x 9095.865 =
    5·2 answers
  • 6th grade math :D....
    15·2 answers
  • A 30-foot guide wire is attached to the top of the tree and then staked into the ground 25 feet away from the base of the tree.
    8·1 answer
  • Two students were shopping for school supplies. They need spirals which cost x dollars and pens which cost y dollars. One studen
    5·1 answer
  • Please help I'm literally about to cry I just need the answers
    7·1 answer
  • :Find x+y, if: 2x+3y=8 and 3x+5y=13
    11·1 answer
  • I really need help with this someone
    6·2 answers
  • Solve (x + y +2)(y + 1)
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!