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marishachu [46]
3 years ago
11

Pleassse help!!! find the value of x and y

Mathematics
1 answer:
Nata [24]3 years ago
6 0

I really don't know where on earth my pen is;(((

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What is the value of the function f(x)=1/4x-3 when x = 12?
elena55 [62]
F(x) = 1/4x -3 = 1/4*12-3

= 1/45
7 0
3 years ago
673 divided by blank = 0.673. What is blank?
OverLord2011 [107]

Answer:

1000

Step-by-step explanation:

5 0
3 years ago
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Elisa withdrew $20 at a time from her bank account and withdrew a total of $140.francis withdrew $45 at a time from his bank acc
solmaris [256]
Elisa made more withdrawals because when you divide Elisa's total withdrawal by the amount of cash she withdrew at a time would be 140/20=7. When you compare that to Francis's withdrawal which would be 270/45=6. 7>6 so Elisa made more withdrawals than Francis. 
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3 years ago
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Solve 5x^2+2x=1 using either factoring, square root method, completing the square or quadratic formula.
wolverine [178]

Answer:

x = -1 ± √6 / 5

Step-by-step explanation:

Solve 5x^{2} + 2x = 1

move 1 to the left side of the equation by subtracting it from both sides.

5x^{2} + 2x - 1 = 0

Use the quadratic formula to find the solutions.

-b± \sqrt{b^2 - 4 (ac)}/ 2a

Substitute the values a = 5 , b = 2, and c = -1 into the quadratic formula and solve for x

-2±\sqrt{2^2 - 4(5 - 1)}/ 2 ⋅ 5

Simplify.

x = -2 ± 2 \sqrt{6}/ 10

x = -1 ± \sqrt{6}/ 5

Exact Form:

x = -1 ± \sqrt{6}/ 5

4 0
3 years ago
Five friends want to rent a go-cart track that costs $100. Each friend intends to contribute the same about.
Inessa [10]
Just divide $100 by 5. 100 divided by 5 = $20 each.
6 0
3 years ago
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