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amid [387]
3 years ago
9

Solve for x. 3x + 8x = 44

Mathematics
2 answers:
Ymorist [56]3 years ago
8 0

Answer: x=4

Step-by-step explanation: 3x+8x= 11x. Divide 44 by 11 and it equals 4

faltersainse [42]3 years ago
7 0
<h2>Hey there! </h2><h2>\bold{3x + 8x = 44}</h2><h3>COMBINE your LIKE TERMS</h3><h3>\bold{3x+8x = 11x}</h3><h3>NEW EQUATION</h3><h3>\bold{11x =44}</h3><h3>DIVIDE by \bold{11} on BOTH SIDES</h3><h3>\bold{\dfrac{11x}{11} = \dfrac{44}{11}}</h3><h3>CANCEL out: \bold{\dfrac{11}{11}} because that gives you \bold{1}</h3><h3>KEEP: \bold{\dfrac{44}{11}} because it gives us the balue of \bold{x}</h3><h3>SOLVE ABOVE AND YOU HAVE YOUR ANSWER FOR \bold{x}</h3><h3>\bold{\dfrac{44}{11} = 44\div 11 = 4}</h3><h3>\boxed{\bold{Answer: x=4}}}\checkmark</h3><h2>Good luck on your assignment and enjoy your day!</h2><h3>~\frak{LoveYourselfFirst:)}</h3>
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cricket20 [7]
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The rectangle below has an area of 70 square meters.
nasty-shy [4]

Answer:

The side lengths are 10 by 7

Step-by-step explanation:

The area of a rectangle is

A = l*w

70 = (x - 11)(x - 8)

FOIL

70 = x^2 -8x-11x+88

Combine like terms

70 = x^2 -19x +88

Subtract 70 from each side

0 = x^2 -19x +88-70

0 = x^2 -19x+18

Factor

What number multiplies to 18 and adds to -19

-18*-1 =18

-18-1 = -19

0=(x-18)(x-1)

Using the zero product property

x-18=0   x-1=0

x=18   x=1

But x cannot x=1 because then the side lengths would be negative

x-18 = 10

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4 0
3 years ago
How do I do percentages? Please explain like it would be like in a shop: for example whats 15% off of something.
yawa3891 [41]
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ICE Princess25 [194]

Answer:

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Step-by-step explanation:

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Hope this makes sense!

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