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Marysya12 [62]
3 years ago
12

it cost $6 to join an online DVD club and $2.50 to rent each DVD. write an equation for the relationship that shows the total co

st as y.
Mathematics
2 answers:
bonufazy [111]3 years ago
6 0
6+2.50=y
y=8.5

Hope this helped☺☺
sammy [17]3 years ago
4 0
$6.00+$2.50=8.5
Because since there is no way you can multiply you would have to subtract
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One of the roots of the quadratic equation x^2−5mx+6m^2=0 is 36. Find the greatest possible value of the second root. 100PTS!!!
rosijanka [135]

Answer:

The greatest possible value is 54

Step-by-step explanation:

Solve the quadratic equation

Given

x² - 5mx + 6m² = 0

We can rewrite this as

x² - 3mx - 2mx + 6m² = 0

(x² - 3mx) - (2mx - 6m²) = 0

x(x - 3m) - 2m(x - 3m) = 0

(x - 2m)(x - 3m) = 0

x - 2m = 0 or x - 3m = 0

So,

x = 2m or x = 3m .

2m and 3m are the roots of the equation.

Since one of the roots is 36

Assume

2m = 36

m = 36/2 = 18

3m is

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If 3m = 36

m = 12

And

2m = 2(12) = 24.

The greatest possible value is 54

7 0
3 years ago
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Solve the equation, and check the solutions √(x+9)/4=3.
nadya68 [22]

Answer:

Solution: x = 135

Step-by-step explanation:

Hi there!

First, let´s write the equation:

√(x + 9) /4 = 3

Multiply by 4 both sides of the equation

√(x + 9) = 12

square both sides of the equation

x + 9 = 144

subtract 9 to both sides of the equation

x = 135  

Let´s check the solution:

√(x + 9) /4 = 3

x = 135

√(135 + 9) /4 = 3

√(144) /4 = 3

12/4 = 3

3 = 3

Then, x = 135 is the solution to the equation.

Have a nice day!

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3 years ago
Lashonda is saving money to buy a game. So far she has saved $6, which is two-thirds of the total cost of the game. How much doe
aliina [53]

Answer:

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Step-by-step explanation:

I wrote an equation using the variable "t" for the total cost of the game.

6=2/3t

t=6/2/3

t=(6/1)(3/2)

t=18/2

t=9

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3 years ago
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solniwko [45]

Did you ever get the answer

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o-na [289]
The answer is 10 u have to put 2/3 multiplied by 15/1
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