3 years ago

If using the method of completing the square to solve the quadratic equation

Mathematics

1 answer:

SashulF [63]3 years ago

8 0

Answer:

(5/2) ² or 25 /4

Step-by-step explanation:

x² - 5x - 18 = 0

x² -5x = 18

x² -5x + (5/2)²= 18 + (5/2)²

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Kayleigh wants to buy a car that costs $13,080.00. She deposits $12,000.00 into a savings account that earns 3% simple interest.

Ipatiy [6.2K]

The formula is
A=p (1+rt)
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P amount deposited 12000
R interest rate 0.03
T time?
Solve for t
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T=((13,080÷12,000)−1)÷0.03
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3 years ago

R = x(A + B) Solve for A.

larisa86 [58]

Answer:

A = $\frac{R}{x}$ - B

Step-by-step explanation:

Given

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3 years ago

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nadya68 [22]

X+2y=8
2y=8/2y
=4 is the answer. You’re so welcome

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3 years ago

If h(x) = 5 x and k(x)=1/x, which expression is equivalent to (koh)(x)?

Anestetic [448]

$(k\circ h)(x)=k(h(x))$

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3 years ago

Read 2 more answers

18000 decrease by 15% every year for 3 years

kati45 [8]

1st year= 18000 x 0.85 = 15300
2nd year= 15300 x 0.85 = 13005
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3 years ago