3 years ago

SUPER EASY QUESTION!!! What is 6.3 rounded to the nearest tenth?

Mathematics

1 answer:

AnnZ [28]3 years ago

5 0

The answer is 6-------------------------

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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.

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Louise made 80% of what he made last week. If he made $72 this week, how much would you make last week?

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Louise made $90 last week

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3 years ago

Read 2 more answers

(-5,-1), m=-5/4 I'm using that as a fraction

inessss [21]

Point slope form
y-y1=m(x-x1)
m=slope
(x1,y1) is a point

(-5,-1)
x1=-5
y1=-1
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y+1=-5/4(x+5)
y=-5/4x-29/4

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