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2 years ago

If you Start with $10 in the bank and each month you add $20 which line equation will give you your total amount after X months?

Mathematics

1 answer:

MissTica2 years ago

4 0

Answer:

y=20x+10

Step-by-step explanation:

You start with $10, so this will be added on, and is not affected by the number of months.

You add $20 each month, so the 20 is dependant on x.

ANSWER: y=20x+10

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To increase and decrease an amount by 7%, what single multiplier would you use?

Mila [183]

We will solve the problem for both cases:

Case 1:

If the amount increases by 7% we have the number for which we are going to multiply is given by:

$x = (\frac{1}{100}) * (100 + 7)$

$x = (\frac{1}{100}) * (107)\\x = 1.07$

Case 2:

If the amount decreases by 7% we have the number for which we are going to multiply is given by:

$x = (\frac{1}{100}) * (100-7)$

$x = (\frac{1}{100}) * (93)\\x = 0.93$

Answer:

single multiplier you would use for each case is:

x = 1.07 (increase)

x = 0.93 (decrease)

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3 years ago

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Give an example of a geometric formuka that xontainas pi

postnew [5]

Pir^2

2pi2

Hope this helps

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3 years ago

6th grade math I mark as brainliest

DochEvi [55]

Answer:

False

Step-by-step explanation:

2*2*2*2 is the correct answer

4 0

2 years ago

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Please help will give 50points

Lady bird [3.3K]

Answer:

its 10...

Step-by-step explanation:

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2 years ago

Rebecca was advised to invest her £12000 life savings in a special High

Evgesh-ka [11]

#1st year

$\\ \rm\Rrightarrow 12000+0.045(12000)=12540$

#2nd year

$\\ \rm\Rrightarrow 12540+0.05(12540)=13167$

#3rd year

$\\ \rm\Rrightarrow 13167+0.053(13167)=13864.85$

#4th year

$\\ \rm\Rrightarrow 13864.85+13864.85(0.049)=14544.2$

Total interest

$\\ \rm\Rrightarrow 14544.2-12000=£ 2544.2$

Percentage

$\\ \rm\Rrightarrow \dfrac{2544.2}{12000}\times 100$

$\\ \rm\Rrightarrow 21.2\%$

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2 years ago

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