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sergij07 [2.7K]
3 years ago
5

Find the value of x that satisfy the equation -4(x - 4) = 20

Mathematics
2 answers:
Firdavs [7]3 years ago
7 0

Answer:

x = -1

Step-by-step explanation:

If you need step by step just let me know!

Hopefully that helps!

loris [4]3 years ago
3 0

Answer:

Step-by-step explanation:

Alright we are going to be simplifying

-4(x - 4) = 20  Divide sides by -4

x-4=-5

So,

x-4=-5  Add 4 to the sides

x-4+4=-5+4

-1

So therefore, your answer is x=-1

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Can you please help me with this question
natali 33 [55]

Answer:

y = 1/2x-3

Step-by-step explanation:

y=mx+b, where m is slope and b is y-int and x and y are variables.

y = 1/2x-3

Plot your point at (8,1) and then use your slope and rise 1 go over 2 then draw your line.

Hope that helps

5 0
2 years ago
Solve the system by graphing. Select the solution(s).<br> y = x + 2<br> y = 0.5(x + 2)
faltersainse [42]

Answer:

Part 1) The solution is the point (-2,0)

Part 2) The solutions are the points (-2,0) and (0,2)

Step-by-step explanation:

Part 1

we have

y=x+2 -----> equation A

y=0.5(x+2) ----> y=0.5x+1 ---> equation B

Solve the system by graphing

Remember that the solution of the system is the intersection point both graphs

using a graphing tool

The solution is the point (-2,0)

see the attached figure N 1

Part 2

we have

y=x+2 -----> equation A

y=0.5(x+2)^2 ----> equation B

Solve the system by graphing

Remember that the solution of the system are the intersection points both graphs

using a graphing tool

The solutions are the points (-2,0) and (0,2)

see the attached figure N 2

4 0
3 years ago
Arati posted a comment on her blog. Each day the number of responses to her comment was 125% of the number she received on the p
zvonat [6]

If the next number is 125% of the previous number, that means that the previous number is increasing by 25% each time.

The multiplier for increasing by 25% is:

(100 + 25) ÷ 100 = 1.25

So on day one, there are 64 responses. That means on day two, there will be:

---> 64 x 1.25 = 80 responses

On day 3, there will be:

---> 80 x 1.25 = 100 responses

Finally, on <u>day 4</u>, there will be:

---> 100 x 1.25 = 125 responses

A quicker way of getting this would be to do:

64 x 1.25³      since you are multiplying by 1.25  3 times

--------------------------------------------------

Answer:

125 responses

5 0
3 years ago
Make d the subject of the formula h= d/3 + 2
Leni [432]

Answer:

d= 3h-6

Step-by-step explanation:

h= d/3+2

h-2= d/3

d= 3(h-2)= 3h-6

5 0
3 years ago
Read 2 more answers
One pound of specialty coffee costs $9.47. How much will $3.8 pounds of this coffee cost
OverLord2011 [107]
It would cost $35.98


Hope this helps!
8 0
3 years ago
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