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Brums [2.3K]
3 years ago
5

When the sum of a number plus 3 is squared it is 11 more than the sum of the number plus 2 when squared.

Mathematics
1 answer:
forsale [732]3 years ago
5 0
x-number\\\\
(x+3)^2-11=(x+2)^2\\\\
x^2+2*3*x+3^2-11=x^2+2*2*x+4\\\\
x^2+6x+9-11=x^2+4x+4\ \ |-x^2\\\\6x-2=4x+4\\\\6x-4x=4+2\\\\2x=6\ \ |:2\\\\ x=3

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Answer:

(0,6) or 6

Step-by-step explanation:

To find the y-intercept look at the last variable you have, which in this case is 6. Glad to help :)

7 0
2 years ago
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4 0
3 years ago
I ate a bunch of cookies. I had 10 cookies and now I have 6. What was the percent decrease?
kirza4 [7]

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4 0
3 years ago
Marie spends $450.00 at a department store. She has two coupons: one for a 15% discount and one for $50 off any purchase above $
VMariaS [17]

Answer:

Her first coupon ti be used is $50 off a purchase above $300

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Step-by-step explanation:

Marie has two coupons

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So Marie have $400 now

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6 0
3 years ago
Read 2 more answers
-1/4(-8x+12y) what is this answer
NNADVOKAT [17]

Answer: -2x+3y

Step-by-step explanation:

-\frac{1}{4} (-8x+12y)\\\\\frac{8x+12y}{4}\\\\\frac{-4(2x-3y)}{4}\\\\-(2x-3y)\\\\-2x+3y

Hope this helps, now you know the answer and how to do it. HAVE A BLESSED AND WONDERFUL DAY! As well as a great Valentines Day! :-)  

- Cutiepatutie ☺❀❤

6 0
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