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zmey [24]
4 years ago
14

(R,2),(5,r),m=0 please solve

Mathematics
1 answer:
lesya [120]4 years ago
8 0
3.5 because your answer will be wrong if you do not put 3.5
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What are the three consecutive even integers that add up to 156
son4ous [18]
First, divide 156 by 3 (the amount of consecutive integers).
156 / 3 = 52
The middle consecutive integer is 52. Add and subtract 52 by 2.
52 - 2 = 50
52 + 2 = 54
Your three integers are 50, 52, and 54. Have an awesome day! :)
5 0
3 years ago
Which lines are parallel? justify your answer
Salsk061 [2.6K]
A is the answer :) hope I helped
3 0
3 years ago
Bart opens a bank account and deposits $10 each week. If he has $90 in his account, how many weeks has he been depositing money?
Komok [63]

Answer:

9 weeks

Step-by-Step Instructions:

Step 1: State what is know

Bart deposits 10 dollars every week

Bart has 90 dollars in his account

Step 2: Find a way to solve for how many weeks Bart ha been depositing money

Total money in account / 10 dollars deposit per week = weeks he has been depositing

Step 3: Substitute in values and solve

90/ 10 = 9

Step 4: State your findings

Therefore Bart has been depositing money for 9 weeks

5 0
3 years ago
If (x-y)^2=71 and x^2+y^2=59 what is the value of xy?
Lena [83]
Solve the equations
first one
take the sqrt of both sides
x-y=√71
add y to both sides
x=y+√71
sub y+√71 for x in other part


(y+√71)²+y²=59
y²+2y√71+71+y²=59
2y²+2y√71+71=59
minus 59 both sides
2y²+2y√71+12=0
factor out 2
2(y²+y√71+6)=0
use quadratic equation or something
y=\frac{- \sqrt{71}- \sqrt{47}  }{2} and \frac{- \sqrt{71}+ \sqrt{47}  }{2}

sub those for x

x=y+√71
note: √71=(2√71)/2

x=\frac{- \sqrt{71}- \sqrt{47}  +2\sqrt{71}}{2} ,\frac{\sqrt{71}- \sqrt{47}}{2}
or
x=\frac{- \sqrt{71}+ \sqrt{47}  +2\sqrt{71}}{2} ,\frac{\sqrt{71}+ \sqrt{47}}{2}

xy=\frac{\sqrt{71}- \sqrt{47}}{2}  times \frac{-\sqrt{71}- \sqrt{47}}{2} or \frac{\sqrt{71}+ \sqrt{47}}{2}  times \frac{-\sqrt{71}+ \sqrt{47}}{2}

the result is -6 both times

xy=-6
5 0
4 years ago
(x) = 2x - 5, then f(4) is _____.17 5 4 3
Vlad1618 [11]

Answer:

3

Step-by-step explanation:

f(x) = 2x-5

substitute 4 in for x

f(4) = 2*4 -5

f(4) = 8-5

f(4) =3


7 0
3 years ago
Read 2 more answers
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