3 years ago

ANYONE WHO ANSWERS FIRST WILL GET BRAINLIEST WITHOUT HAVING TO DO ANYTHING I'M A NICE PERSON.

Mathematics

1 answer:

Katarina [22]3 years ago

7 0

Answer:

thx

Step-by-step explanation:

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$7000 is compounded semiannually at a rate of 11% for 21years Find the total amount and round to the nearest cent

photoshop1234 [79]

$\text{Given that }\$7000 \text{ is compounded semiannualy at a rate of }11\% \text{ for 21 years}\\
\\
\text{we know that the amount after t year when compounded is given by}\\
\\
A=P\left ( 1+\frac{r}{n} \right )^{nt}\\
\\
\text{here P is the principal amoount, so }P=7000,\\
\\
\text{r is the interest rate, }r=11\%=0.11\\
\\
\text{n is the number of times in a year, here semiannulay, so }n=2,\\
\\
\text{and t is the time, so }t=21\\
\\
\text{so the amount after 21 years is}$

$A=7000\left ( 1+\frac{0.11}{2} \right )^{2(21)}\\
\\
\Rightarrow A=7000\left ( 1+0.055 \right )^{42}\\
\\
\Rightarrow A=7000\left ( 1.055 \right )^{42}\\
\\
\Rightarrow A\approx 66328.68$

So the amount after 21 years is: $66328.68

7 0

3 years ago

Yaaay even more algebra

Anika [276]

Answer:

f(x) = 3x-1

g(x) = x+2

Find (f-g)(x), this means we need to subtract g from x.

(3x-1) - (x+2)

Subtract the like terms:

3x -x = 2x

-1 -2 = -3

Combine them to get 2x-3

The answer is B.

Brainliest would be much appreciated!

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3 years ago

Which set of ordered pairs represents y as a function of x?

KatRina [158]

Answer:

(2,8), (3,5),

Step-by-step explanation:

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3 years ago

PLEASE HELP!!!! Will AWARD BRAINLIEST IF CORRECT!!!

atroni [7]

Following PEMDAS

4*2=8

-8-1=-9

-9+8=-1

The final answer is -1

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3 years ago

Which of the following is equivalent to 18 minus square root negative 25

kodGreya [7K]

Answer:

its going to be B)18 -5i just took the test

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3 years ago