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3 years ago

HURRY AND ANSWER, ILL GIVE BRAINLIEST

Mathematics

1 answer:

Nastasia [14]3 years ago

8 0

Answer:

1.45%+4.2%= 5.65%

100%->650

5.65%-> 36.725

650- 36.725 - 10 = 603.275

~ 603. 27

hence answer is b

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The room numbers of two adjacent classrooms are two consecutive even integers. If their sum is 654, find the classroom numbers.

IRINA_888 [86]

Answer: It is 326 and 328.

Step-by-step explanation: We know that the numbers must be even and consecutive, so we can figure this problem out by trial and error. Divide 654 by two, and then keep going until you get the proper answer.

(Hope this helps :) )

4 0

3 years ago

How long will it take for an investment to triple, if interest is compounded continuously at 8%?

maw [93]

Answer:

<em>It will take 14 years before the investment triples</em>

Step-by-step explanation:

<u>Continuous Compounding</u>

Is the mathematical limit that compound interest can reach if it was calculated and reinvested into an account's balance over a theoretically infinite number of periods.

The formula for continuous compounding is derived from the formula for the future value of a compound interest investment:

$FV = PV\cdot e^{i.t}$

Where:

FV = Future value of the investment

PV = Present value of the investment

i = Interest rate

t = Time

It's required to find the time for an investment to triple, that is, FV = 3 PV, knowing the interest rate is i=8%=0.08.

Substituting the known values:

$3PV = PV\cdot e^{i.t}$

Dividing by PV:

$3 = e^{i.t}$

Taking logarithms:

$\ln 3=i.t$

Solving for t:

$\displaystyle t=\frac{\ln 3}{i}$

$\displaystyle t=\frac{\ln 3}{0.08}$

t = 13.7 years

Rounding up:

It will take 14 years before the investment triples

6 0

3 years ago

Nari says, “The sum of 10 and one-third of a number is 25.” She uses the bar model to write an equation to represent her stateme

Burka [1]

It says the sum, which hints that the two numbers will be added

So we can start the equation with 10+(1/3n)

we are then told they add up to 25
So they will equal 25

So the equation is
10+(1/3n)=25

4 0

4 years ago

Read 2 more answers

TRUE OR FALSE...The converse of the statement “If x – 4 = 17, then x = 21”

Sholpan [36]

True, it is the converse

x = 17 + 4 = 21

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4 years ago

I have the answer to Which rational expression is equivalent to this expression 4/x-3

snow_tiger [21]

Answer:

i think A

Step-by-step explanation:

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3 years ago

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