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Vlad [161]
3 years ago
8

Divide 42 in the ratio on 1 2 3 ?????

Mathematics
1 answer:
drek231 [11]3 years ago
6 0
1:2:3=42
6=42
You'll need to divide 42 by 6 to know the value of one.
42/6=7
1=7
2=14
3=21

7:14:21
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2(8 + t)* 6 when s = 3 and t = 2.
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Step-by-step explanation:

Plug in variables with numbers

2(8+2)*6

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Step-by-step explanation:

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Worth 20 points look at image! Only gotta do pt1
AveGali [126]

Answer:

y= -1/4x+3/4

Step-by-step explanation:

You are given (-5,2) and x=4

This means that the slope is 4

When finding perpendicular, the slope is the reverse reciprocal of the original slope. The reverse of 4 is -4. The recirprocal is the opposite of -4/1, so it is -1/4.

Slope= -1/4

The slope-intercept form is y=mx+b where you are trying to find b.

Plug in the y value in (-5,2) for y

Plug in the slope for m

Plug in the x value in (-5,2) for x

y=2

m= -1/4

x= -5

y=mx+b

2= -1/4(-5)+b   <u>Plug in everything</u>

2= 5/4+b        <u>Multiply -1/4 and -5</u>

3/4=b             <u>Subtract 5/4 from 2 and you get b</u>

<u />

Since we have b now we can make an equation using it.

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6 0
3 years ago
The parents of three children, ages 1, 3, and 6, wish to set up a trust fund that will pay X to each child upon attainment of ag
ehidna [41]

Answer:

The equation of <em>Z</em> is: Z=X(v^{17}+v^{15}+v^{12})+Y(v^{20}+v^{18}+v^{15})

Step-by-step explanation:

  • The first child is of age 1 year.

        Then the amount invested for the 1-year old is: Xv^{17}+Yv^{20}

  • The second child is of age 3 years.

        Then the amount invested for the 3-year old is: Xv^{15}+Yv^{18}

  • The third child is of age 6 years.

        Then the amount invested for the 6-year old is: Xv^{12}+Yv^{15}

The one-time investment will be:

Z=Xv^{17}+Yv^{20}+Xv^{15}+Yv^{18}+Xv^{12}+Yv^{15}\\=X(v^{17}+v^{15}+v^{12})+Y(v^{20}+v^{18}+v^{15})

6 0
3 years ago
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