2 years ago

8. Alana Garon obtained a personal loan of $2,200 at 12 percent for 12 months. The monthly payment is

Mathematics

1 answer:

Leokris [45]2 years ago

8 0

Answer:

it is 1024.78

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Solve the following quadratic equation using the quadratic formula.

sdas [7]

$ax^2+bx+c=0\\\\\Delta=b^2-4ac\\\\x_1=\dfrac{-b-\sqrt\Delta}{2a};\ x_2=\dfrac{-b+\sqrt\Delta}{2a}$

<span> $5x^2-8x+5=0\to a=5;\ b=-8;\ c=5\\\\\Delta=(-8)^2-4\cdot5\cdot5=64-100=-36\\\\\sqrt\Delta=\sqrt{-36}=6i$

$x_1=\dfrac{-(-8)-6i}{2\cdot5}=\dfrac{8-6i}{10}=\dfrac{4-3i}{5}\\\\x_2=\dfrac{-(-8)+6i}{2\cdot5}=\dfrac{8+6i}{10}=\dfrac{4+3i}{5}$
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4 years ago

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The perimeter of a regular octagon is 24a + 48 inches.(a) write an expression for the length of any one side of the octagon. The

Lubov Fominskaja [6]

Answer:

3a+6

Step-by-step explanation:

3a+6 = 24a+48 divided by 8 (there are 8 sides in an octagon)

covert 24a +48 inches into feet

2a+4 feet = 18 feet

subtract 4 from both sides

2a = 14

divided 2 from both sides

a = 7

covert 3a+6 inches into feet

0.25a +0,5

0.25(7)+0.5

= 2.25

verify your answer

2.25 x 8 = 18

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3 years ago

Help please!!!<br> Can someone explain how to solve this please?

Greeley [361]

Answer:

12 the answer

Step-by-step explanation:

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3 years ago

A population of 80,000 toads is expected to shrink at a rate of 9.2% per year. What will be the toad population be in 20 years?

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P=80,000×(1−0.092)^(20)
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Does anybody know how to do this?

Degger [83]

List the degrees from least to greatest ie, 11,7,7,6,4,3 then the first is ur degree. So the answer is D. 11

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