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Alecsey [184]
3 years ago
9

What is the value of x in the equation 1.5(x + 4) - 3 = 4.5(x - 2)?

Mathematics
1 answer:
Mila [183]3 years ago
5 0
The answer is b on edge
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If Y varies directly with X solve the following :
tresset_1 [31]

Answer:

B) When Y = 90

X = 90 x -3

= -270

C) When X = -8

Y = 33.6(approx.)

D) When Y = 12.6

X = 12.6 x 3

= 37.8

Hope this helps!

4 0
3 years ago
The length of a rectangle is 12 units longer than the width. The perimeter is 7 times the width. Find the length and the width o
katen-ka-za [31]

Log explanation below; answer is at bottom.

If the length, l, is 12 units longer than the width, w, then w = l - 12. If the perimeter, p,

p = 2l +2w,

is 7 x w, then

w = p/7

When two things are set equal to the same variable, they are equal to each other, so,

l - 12 = p/7

Now you need to get rid of the p so you are only working with one variable. To do this you plug in whatever p is equal to for p, so,

l - 12 = (2l + 2w)/7 now to get rid of the w do the same thing we did with p just for w. So,

l - 12 = (2l + 2(l - 12))/7

To solve this you want to multiply both sides by 7 first to get rid of the fraction.

7l - 84 = 2l + 2(l - 12)

Next you want to distribute the 2 over the l and the 12.

7l - 84 = 2l + 2l - 24

Next you want to combine like terms on each side.

7l - 84 = 4l - 24

Next add 84 and subtract 4l from sides to isolate the variable.

3l = 60

Now divide each side by 11 to get your answer.

l = 20.

To find the width,

w = l - 12  

Just plug in and solve.

w = 20 - 12

w = 8

So your length and width are 20 and 8.

l = 20

w = 8

7 0
3 years ago
Solve the following problem. It may be helpful to use draw a chart on scrap paper to organize the information and write the equa
Ne4ueva [31]

Answer:

we can translate the problem into two equations. The first statement is translated to x + y = 10 where x represents the amount of cashews in the mix while  y represents the amount of peanuts in the mixture. In this case, the second equation is translated to 5.60x + 2.30 y = 3.29*10. solving the two equations simultaneously, x is equal to 3 pounds while y is equal to 7 pounds

Step-by-step explanation

5 0
3 years ago
Read 2 more answers
I really need help with these 2 questions
igor_vitrenko [27]
The question 6 is 2,150 meters question 7 is length 10w+64 meters
Width 25w+49 meters
4 0
3 years ago
How do i solve x + 6/x = -7
DiKsa [7]

Answer:

???

Step-by-step explanation:

Ⓗⓘ ⓣⓗⓔⓡⓔ

Well, either you typed in something wrong, or this has no solutions.

(っ◔◡◔)っ ♥ Hope this helped! Have a great day! :) ♥

BTW, brainliest would be greatly appreciated, I only need one more before I advance, thanks!

8 0
3 years ago
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