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
lord [1]
3 years ago
8

-6(-n+4)= 18 help please​

Mathematics
2 answers:
andrey2020 [161]3 years ago
6 0

Answer:

n=7

Step-by-step explanation:

Irina18 [472]3 years ago
3 0

Simplify out the brackets first:

-6*-n + (-6*4) = 18

6n - 24 = 18

Combine like terms by moving the -24 to the other side

6n = 18 + 24

6n = 42

Divide by 6 on both sides to isolate the variable (n)

6n/6 = 42/6

n = 7

You might be interested in
HELP ME PLEASEEEEE
AVprozaik [17]

Answer:  (x,y) = (-1, 1)

This means that x = -1 and y = 1

========================================================

Explanation:

The first equation says that y is the same as 2x+3

That allows us to substitute y for 2x+3 in the second equation like so:

2x+5y = 3

2x+5( y ) = 3

2x + 5(2x+3) = 3 .... y replaced with 2x+3

2x+10x+15 = 3

12x+15 = 3

12x = 3-15

12x = -12

x = -12/12

x = -1

Then we'll substitute this into the first equation to find y

y = 2x+3

y = 2(-1) + 3 .... x replaced with -1

y = -2+3

y = 1

Together x = -1 and y = 1 pair up to form the ordered pair solution (x,y) = (-1,1)

If you were to graph y = 2x+3 and 2x+5y=3 on the same xy grid, then you should see that the two lines intersect at the location (-1,1). This is a visual way to determine the solution quickly through use of a graphing calculator.

3 0
2 years ago
The members of a cooking club are making cakes, which they will sell at a street fair for $14 apiece. It cost $22 for a booth at
tangare [24]
Is the amount of cakes estimated or rounded??
8 0
3 years ago
Given the differential Equation y'+2y=2e^x ;solve this equation using the integration factor; solve for y to get the general sol
SCORPION-xisa [38]

y'+2y=2e^x\Longrightarrow y'=2e^x-2y

If f'(x)=g(x) then y=\int{g(x)dx}

So we extract,

y=\int{2e^x-2x}dx

Which becomes,

y=2e^x-x^2+C

Hope this helps.

r3t40

5 0
3 years ago
On a particular production line,the likelihood that a light bulb is defective is 5%. Ten light bulbs are randomly selected. What
KengaRu [80]

Answer:

Mean and Variance of the number of defective bulbs are 0.5 and 0.475 respectively.

Step-by-step explanation:

Consider the provided information,

Let X is the number of defective bulbs.

Ten light bulbs are randomly selected.

The likelihood that a light bulb is defective is 5%.

Therefore sample size is = n = 10

Probability of a defective bulb = p = 0.05.

Therefore, q = 1 - p = 1 - 0.05 = 0.95

Mean of binomial random variable: \mu=np

Therefore, \mu=10(0.05)=0.5

Variance of binomial random variable: \sigma^2=npq

Therefore, \sigma^2=10(0.05)(0.95)=0.475

Mean and Variance of the number of defective bulbs are 0.5 and 0.475 respectively.

5 0
3 years ago
Pls i really need help asap plsss help plsss plsss plsss help me i really need help and don't just put random answers put real a
Schach [20]

Answer:

The simple solutions are:

Right 6:  (-2+6,-3) = (4,3)

Left 6:    (-2-6,-3) = (-8,-3)

Up 6:      (-2,-3+6) = (-2, 3)

Down 6:  (-2,-3-6) = (-2,-9)

 

Those are for horizontal or vertical

line segments.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Other questions:
  • Simplify leaving your answer with positive exponents.
    11·1 answer
  • A farmer sells 9.8 kilograms of apples and pears at the famer's market. 3/4 of this weight is apples, and the rest is pears. How
    6·1 answer
  • (4x+1)(3x-7) yup it hurts
    9·2 answers
  • 7-3/8<br><img src="https://tex.z-dn.net/?f=%20%20%20%3D%20%20%5C%5C%20%20" id="TexFormula1" title=" = \\ " alt=" = \\ "
    8·2 answers
  • Discriminant 9v^2+v+5=0
    5·1 answer
  • Donovan and Timothy solved two different division problems. Who solved the problem correctly?
    10·1 answer
  • I need to find the area of this whole shape. plz someone help me. ​
    14·2 answers
  • Look at this inequality.
    8·1 answer
  • Please help me I have been stuck for a while
    11·1 answer
  • Find the value of x and y if: (x-yi)+ 7-2i =9-i​
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!