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3 years ago

#8: Linda is saving for retirement. She invest $12,000 in a retirement fund

Mathematics

1 answer:

mestny [16]3 years ago

4 0

Answer:

12000(1+.04)^x

Step-by-step explanation:

12000(1+.04)^x

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Simplify 8a+3b+8a-4b

Anna71 [15]

8a+3b+8a-4b=
8a+8a+3b-4b=
16a-1b=
16a-b

Hope I didn't mess up for your sake!

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3 years ago

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Need help with trigonometry

vovangra [49]

Answer:

$\sf \tan(A) & =\dfrac{9\sqrt{22}}{44}$

Step-by-step explanation:

If angle C is the right angle, then side c is the hypotenuse.

Use Pythagoras' Theorem $a^2+b^2=c^2$ to find the length of side a:

Given:

b = 2√22
c = 13

$\implies a^2+(2 \sqrt{22})^2=13^2$

$\implies a^2+88=169$

$\implies a^2=81$

$\implies a=\sqrt{81}$

$\implies a=9$

<u>Tan Trig Ratio</u>

$\sf \tan(\theta)=\dfrac{O}{A}$

where:

$\theta$ is the angle
O is the side opposite the angle
A is the side adjacent the angle

Given:

$\theta$ = A
O = side opposite angle A = a = 9
A = side adjacent angle A = b = 2√22

$\begin{aligned}\implies \sf \tan(A) & =\dfrac{9}{2\sqrt{22}}\\\\ & =\dfrac{9}{2\sqrt{22}} \times \dfrac{\sqrt{22}}{\sqrt{22}}\\\\ & = \dfrac{9\sqrt{22}}{44} \end{aligned}$

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2 years ago

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What's the answer was for <br> 1/2r+2(3/4r-1)=1/4r+6

Simora [160]

1/2r+2(3/4r-1)=1/4r+6
2r-2=1/4r+6
2r=1/4r+8
7/4r=8
7r=32
r=32/7

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3 years ago

There are 1,735 trees in a forest. The population of trees decreases by 3% each year.

Ymorist [56]

Answer:

1,735-3

Step-by-step explanation:

It said decreases so it would be subtracted

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3 years ago

A sporting goods store charges $30 for 12 cans of tennis balls and $45 for two boxes of golf balls. A coach orders100 cans of te

aliya0001 [1]

362.50 for tennis and golf balls.
To find the answer divide the dollar amount by how many cans or boxes each cost then multiply that answer by the total amount purchased.
Golf balls
45/2=22.50 each box
22.5*5=112.50 total
Tennis balls
30/12=2.50 each can
2.50*100 = 250.00
add the dollar amounts together
112.50+250.00 =362.50

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4 years ago