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Volgvan
3 years ago
8

C - 3h use c = 5 and h = 7

Mathematics
2 answers:
erastovalidia [21]3 years ago
6 0

c - 3h

5 - 3 * 7

5 - 21

-16

mestny [16]3 years ago
6 0
C-3h

5-3•7

Multiply first

7•3=21

5- 21= -16

I hope this helped
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6 Which equation has a solution of s = 9.5 ? F -5s = -47.5 G -3 + s = 12.5 H --2s 19 J –1 + s = 10.5​
earnstyle [38]

Answer:

F. -5s = -47.5

Step-by-step explanation:

F. -5s = -47.5

s = -47.5 / -5

s =  9.5

This is the correct option

G. -3 + s = 12.5

s = 12.5 + 3

s = 15.5 (Incorrect option)

J. –1 + s = 10.5​

s = 10.5 + 1

s = 11.5 (Incorrect option)

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3 years ago
The length of a rectangle is 6 ft longer than its width. if the perimeter of the rectangle is 52 ft , find its area.
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4w+12=52
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Shea earns $8 per hour for the first 40 hours she works in a week. For any additional hours after that, she earns $12 per hour f
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Step-by-step explanation:

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Read 2 more answers
X - y= -4 -2x +3y =6
STatiana [176]

Answer:

<em><u>x=-6, y=-2</u></em>, (As a point) (-6, -2).....The point form is not necessary unless you want to solve the system (of equations) by graphing.

Step-by-step explanation:

By substitution:

x-y=-4    By adding y on both sides,

x=y-4

Now you can substitute x for the expression (y-4)

Plug the (y-4) as x in the other equation.

So -2x+3y=6 becomes

-2(y-4)+3y=6

Now solve:

-2(y-4)+3y=6 distributes out to be

-2y+8+3y=6     Now combining like terms

y+8=6              Subtract 8 on both sides to isolate the variable

<u><em>y=-2</em></u>

Now plug the value -2 in where the y is in any equation (preferably the easier/less complicated one) and solve for x.

So x-y=-4 becomes

x-(-2)=-4

=x+2=-4

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2 years ago
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