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Drupady [299]
3 years ago
7

Simplify r2-2r3+3r2 please help me I forgot the steps

Mathematics
1 answer:
Ksivusya [100]3 years ago
6 0
r^{2} - 2r{3} + 3r^{2}  |Combine Like terms

= -2r^{3} + 4r^{2}

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-7/10 + x = -2 9/20 what is x​
Andreyy89

Answer:

Step-by-step explanation:

x

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Decimal Form:

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5 0
3 years ago
Assume that y varies directly as x.
Anon25 [30]
75/15=5
3*5=15
y would equal 15

Hope this helps :)
4 0
3 years ago
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Find the length of the hypotenuse of a right triangle with legs of lengths 12 ft and 16 ft answer
Finger [1]
Use Pythagorus theorem: 

a²+b²=c²
(12)²+(16)²=c²
400=c²
√400=c 
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Therefore, the hypotenuse would be 20 ft. 

Hope I helped :) 
8 0
2 years ago
Turn this percent into a decimal: 45%
TEA [102]

Answer:

o.45

Step-by-step explanation:

any time you have a precent just put 0. infront of the number.

4 0
2 years ago
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Which linear function represents the line given by the point slope equation y + 7= 2/3(x+6)
Andrews [41]

Hello from MrBillDoesMath!

Answer:   f(x) =   (2/3)*x -3   -- which is not a provided answer..


Discussion:


We are given that y + 7 = (2/3) * (x + 6). Multiply out the right hand side:


y + 7 = (2/3) * x + (2/3) * 6 = (2/3) *x + 12/3

        =   (2/3)*x + 4


Subtract 7 from both sides:

y + 7 - 7 = (2/3)*x + 4 - 7

or

y =  (2/3)*x -3



Thank you,

MrB


y + 7= 2/3(x+6)

7 0
3 years ago
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