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VMariaS [17]
3 years ago
10

Can anyone help me please ? Hurry

Mathematics
1 answer:
jeka943 years ago
6 0

Answer:

1) x=z-m

3) x=g-c

5) a=u-k

7) x=u+k

9) x=k-w+v

11) x=d+r-c

13) a=p-n+m

2) a=g+c

4) a=z/m

6) a=u/k

8) x=v+w/k

10) x=m-y-z

12) a=r-d/c

14) x=w-v/k

Step-by-step explanation:

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Help please! Check picture!!
levacccp [35]

Answer:

5

Step-by-step explanation:

They are different by 5 percantages

3 0
3 years ago
Bir kırtasiyeci aldığı kalemlerin tanesini
andrew11 [14]

Answer: Option B: 120.

Step-by-step explanation:

I will answer in English

This problem can be translated to:

A man bought N pens, (at a cost C) if he sells each pen at 2 lira, he will have a profit of 40 lira.

If he sells each pen at 1.5 lira, he will loss a total of 20 lira.

We want to find N, the number of pens that he bought.

if he sells the N pens at 2 lira each, the revenue is:

N*2 lira

And the profit is the difference between the revenue and the cost, then the profit (40 lira in this case) is:

N*2 lira - C = 40 lira.

When he sells each pen at 1.5 lira the equation is:

N*(1.5 lira) - C = -20 lira.

Then we have two equations:

N*2 lira - C = 40 lira.

N*(1.5 lira) - C = -20 lira.

To solve this we need to isolate the variable C in one of the equations, i will isolate C in the second equation:

N*(1.5 lira) + 20 lira = C.

Now we can replace this in the first equation to get:

N*(2 lira) - (N*(1.5 lira) + 20 lira) = 40 lira.

We can solve this for N.

N*(2 lira) - N*(1.5 lira) - 20 lira = 40 lira

N*(2 lira - 1.5 lira) = 60 lira

N*(0.5 lira) = 60 lira

N = (60lira/0.5lira) = 120

N = 120

This means that he bought 120 pens.

The correct option is B.

3 0
2 years ago
Justin is considering two websites for downloading music.The costs are detailed here:
rosijanka [135]
30=m2+b that's what I think but can't solve it
5 0
3 years ago
Please help!!!!!!!!!!!!!!!!
lina2011 [118]

Answer:

B

Step-by-step explanation:

if half of the trail mix is split in to 4, let's say the same for the other half. then there will be 8 bags.

3 0
2 years ago
Help Plss <br>How many solutions do y=5-2x and 4x+2y = 10 have?​
tia_tia [17]

y=2x+5

2(2x+5)+4x=10

4x+10+4x=10

8x=20

So there's one solution, x=2.5

5 0
3 years ago
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