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Ber [7]
2 years ago
13

Solve the proportion z/5 = 2/1 z =

Mathematics
2 answers:
katovenus [111]2 years ago
7 0

Answer:

=10

Step-by-step explanation:

Multiply all terms by the same value to eliminate fraction denominators

7/5=2

5⋅/5=5⋅2

Cancel multiplied terms that are in the denominator

Multiply the numbers

=10

ira [324]2 years ago
3 0

Answer:

Hi! The correct answer is z=10

Step-by-step explanation:

<em><u>~Solve for z by simplifying both sides of the equation, then isolating the variable~</u></em>

<em><u /></em>

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In 1993, the sports league introduced a salary cap that limits the amount of money spent on players' salaries. The quadratic mod
jeyben [28]

Answer:

1999

Step-by-step explanation:

y  = 0.2313(y - 1992)^2 + 2.600(y - 1992) + 35.17

verify with known data point

y  = 0.2313(2004 - 1992)^2 + 2.600(2004 - 1992) + 35.17

y  = 0.2313(12)^2 + 2.600(12) + 35.17

y  = 27.9873 + 28.6 + 35.17

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65 = 0.2313x² + 2.6x + 35.17

 0 = 0.2313x² + 2.6x - 29.83

quadratic formula

x = (-2.6 ±√(2.6² - 4(0.2313)(-29.83))) / (2(0.2313))

x = (-2.6 + 5.86) / 0.4626 = 7.05 years

7.05 = y - 1992

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8 0
2 years ago
What is the solution of the system? Use elimination. 7x + 5y = 19 −7x − 2y = −16
netineya [11]

Make the coefficient of y the same in both equations:

To do this, multiply equation one by 2, and equation two by 5 (this will make the coefficient 10 in both).

14x + 10y = 38
-35x - 10y = -80


Eliminate the y variable by adding the equations from each other

   (14x + 10y = 38)
+ (-35x - 10y = -80)
=  -21x +  0y  = -42

We now have -21x = -42. The y variable has been eliminated.


Solve for x

-21x = -42

Divide both sides by -21 to get x on its own.

x = 2


Substitute x into the equation to find y.

7*2+5y=19

14+5y=19

Subtract 14 from both sides.

5y=19-14

5y=5

Divide by 5 on both sides to get y on its own.

y=5/5

y=1


The answer is (2,1)


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3 years ago
Jimmy’s dad gave him $100 on his birthday, which is January 1. Jimmy deposited the $100 in his savings account the same day. At
jeyben [28]
Basically you just have to do 100*3=300 (* multiply)
5 0
3 years ago
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