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aleksklad [387]
3 years ago
15

If 2m = 4x and 2w = 8x, what is m in terms of w?

Mathematics
2 answers:
Mariana [72]3 years ago
6 0
2^m=2^n  take the natural log of both sides

m*ln2=n*ln2  divide both sides by ln2

m=n
CaHeK987 [17]3 years ago
6 0
You can simply divide the eqution or you substitute the value of x in any equation.

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This is for someone I know. They got banned. Please don't troll.
Ede4ka [16]

Answer:

4 cm

Step-by-step explanation:

The ratio of AD to DC is 6:12 which is equivalent to 1:2.  For the ratio of WZ to ZY, we want to find half of 8 cm from ZY, for this case, it is 4 cm which makes the ratio 4:8.

4 0
3 years ago
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Can someone please help me with math.
krek1111 [17]

Answer:

Step-by-step explanation:

1) Number of nickels = x

Number of quarter = y

x + y = 7   ----------------------(I)

x = 7 - y ------------------------(II)

0.05x + 0.25y = 0.55 -----------(III)

Substitute s = 7 - y in equation (III)

0.05*(7 - y)  + 0.25y = 0.55

0.05*7 - 0.05*y + 0.25y = 0.55

0.35 <u>- 0.05y + 0.25y</u>  = 0.55            {Combine like terms}

0.35  + 0.20y  = 0.55          {Subtract 0.35 from both sides}

  0.2y = 0.55 - 0.35

   0.2y = 0.2       {Divide both sides by 0.2}

        y = 0.2/0.2

y = 1

Substitute y =1 in equation (II)

x = 7 - 1

x = 6

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2) Number of children tickets = x

Number of adult tickets = y

x + y = 40  -----------------(I)

     x = 40 - y  -----------------(II)

2x + 5y = 170 -----------------(III)

Substitute x = 40 - y in equation (III)

2*(40-y) + 5y = 170

2*40 - 2*y + 5y = 170

80 <u>- 2y + 5y</u>   = 170             {Combine like terms}

80 + 3y = 170                {Subtract 80 from both sides}

       3y = 170 - 80

       3y = 90       {Divide both sides by 3}

         y = 90/3

y = 30

Substitute y = 30 in equation (II)

x  = 40 - 30

x = 10

Number of children tickets = 10

Number of adult tickets =30

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3 years ago
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Oliga [24]

ans: number line

Step-by-step explanation:

the ans is number

7 0
3 years ago
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PLS ASAP
Nataliya [291]

Answer:

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Step-by-step explanation:

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