2 years ago

Simplify the expression-9+7 -2 2 16 -16

2 answers:

7 0

Hi there!

Your question is "-9 + 7 "

you can make it as 7 - 9

7 - 9 = -2

your answer is -2

That means your answer is a.

Hope I helped!

Let me know if you need anything else!

~ Zoe<span />

bogdanovich [222]2 years ago

6 0

- 9 + 7

-2

if you need more details, please leave me a comment

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Eighty-five more than the square of a number is the same as the square of the quantity that is 17 less than the number. What is

mario62 [17]

We can turn this word problem into the following equation:
x^2 + 85 = (x - 17)^2
x^2 + 85 = x^2 - 34x + 289
-85 -85
_______________________
x^2 = x^2 - 34x + 204
+34x +34x
_______________________
x^2 + 34x = x^2 + 204
-x^2 -x^2
____________________
34x = 204
Divide 34 on both sides
x = 6.
The number is 6.

5 0

2 years ago

Help me please !!<br> I need this ASAP please helpppp

Kobotan [32]

Answer:

Step-by-step explanation:

$y=(2x-3)/5$