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Naily [24]
3 years ago
8

Add. x+1x+x2+5xx2+4x−5

Mathematics
1 answer:
Alenkasestr [34]3 years ago
3 0

Answer: =5x3+x2+6x−5

Step-by-step explanation:

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Amy is 8 years older than Ben. I’m 5 years time, she will be twice Ben’s age. How old is she right now?
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3 years ago
Do anyone know how to do this?​
kykrilka [37]

Answer:

1.) x=4

2.) x=14

Step-by-step explanation:

FOR #1:

1.) In order to solve the parallelogram, you must know that each opposite sides must equal...

so KL=JM and KJ=LM

2.) To solve for "x", you must substitute

 KL= 7x-2\\JM=12x-22

so it should end up with...

7x-2=12x-22

3.) Solve the equation with some algebra

7x-2=12x-22\\-5x=-20\\x=4

FOR #2:

1.) In order for a square, rectangle, parallelogram, (or any shape with four sides), it must equal to 360°. And you just have two given angles, which equal to 180, so that means the unknown equals to 180...So in this case you should have

(3x+5)+(9x-17)+180=360

as your equation...

2.) Solve with algebra

(3x+5)+(9x-17)+180=360

3x+5+9x-17=180\\12x-12=180\\(\frac{1}{12}) 12x=168 (\frac{1}{12})\\x=14

<u><em>multiplied</em></u>

3 0
3 years ago
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12. 150 – 3x = 120 + 2x<br> what does x equal?
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150 - 3x = 120 + 2x | +3x
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Write the quadratic equation whose roots are 6 and -1 , and whose leading coefficient is 5.
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We know that the number of cakes is dependent on the time spent in baking.

We are given that Carmen can bake 84 cakes in 1.6 hours, therefore, to know the number of cakes that she can bake in 2 hours, all you have to do is cross multiplication as follows:
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3 years ago
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