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nadya68 [22]
3 years ago
5

Jay can paint a car in six hours. mike can paint the same car in three hours. if they work together, how long will it take them

to paint the car?
Mathematics
1 answer:
pentagon [3]3 years ago
7 0
Let x be number of hours taken working together, then:-

1/6 + 1/3  = 1 / x

* thru by the LCD 6x:-

x + 2x = 6
3x = 6
x = 2

Answer:-   they will take 2 hours.
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How much must you deposit in an account that pays 6.25% interest, compounded annually, to have a balance of $700 after two years
Amanda [17]

The compound interest is applied to the remaining balance in the account

each subsequent year.

  • The amount that must be deposited is approximately <u>$620.07</u>

Reasons:

The given compound interest rate, r = 6.25% = 0.0625

The balance in the account after 2 years, A = $700

Required:

The required deposit, <em>P</em>, that gives the given account balance after 2 years.

Solution:

The following is the compound interest formula to use;

  • A = \mathbf{P \times \left(1+r \right)^{ t}}

Where;

t = 2 years

We get;

\displaystyle P = \mathbf{ \frac{A}{(1 + r)^t}}

Which gives;

\displaystyle P = \frac{700}{(1 + 0.0625)^2} \approx  \mathbf{620.07}

  • The amount that must be deposited to give $700 after 2 years is P ≈ <u>$620.07</u>

Learn more about compound interest here:

brainly.com/question/10028292

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2 years ago
A car transporter can carry 12 cars , how many transporters are needed for 67 cars
Y_Kistochka [10]
You need 6 transporters...
6 0
3 years ago
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A large clothing store is trying to determine the reasons why sales are continuing to decline. Over a period of six months, the
GalinKa [24]
Answer: D) 775 is the answer.
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Write a pair of numbers such that the value of the 7 in the first number is 1000 times the value of the 7 in the second number a
ELEN [110]
So let's say that the first number is xxxxx and the second one is yyyyy.

The value of 7 in the first should be 1000 times bigger than in the second, so let's make it 7000 and 7:

z7xxx and yyyy7

now, the value of 3 in the first number is 100 times the value of the 3 in the second number

let's make it 37xxx - then the value of 3 is 30 000 so in the second number it must be 300,
then we have 37xxx and yy3y7

let's substitute the ys and xs by 0:

37000 and 307 - that's the solution!
5 0
3 years ago
Help me pls this is really hard someone???
kobusy [5.1K]

So, first step, find out how much more 2500000 is than 250000. 2500000 is 10 times more than 250000. Now, subtract 250000 from 2500000. That would give you <u>2250000</u>. That is the difference of the two amounts of money. Now, to find how many hundred dollar bills. The amount we have now is 2250000. That is in 1-dollar bills. In order to make it into 100 dollar bills, we want to divide by 100. This will cause 2 zeroes to be taken off from 2250000, making the number 22500 hundred dollar bills.

Answer: There are 22500 more hundred-dollar bills in the 2.5 million dollar safe versus the 250 thousand dollar safe in hundred dollar bills.

7 0
3 years ago
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