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2 years ago

Which is the correct answer

Mathematics

1 answer:

denpristay [2]2 years ago

4 0

Answer:

44 2/4

Step-by-step explanation:

178/4= 44.5

44 2/4 =

44 x 4 = 176

176 + 2 = 178

hope this helps and if it is wrong i am sorry

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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

Find the value of x.<br> m2 = x + 67

FrozenT [24]

Answer:

x=m2-67

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

The median weight of 21 dogs in a pet store is 14 pounds. Which action could CHANGE the median? A) the store gets a new 14-pound

mylen [45]

Answer:

B. the store gets a new 40-pound dog

Step-by-step explanation:

5 0

3 years ago

The sum of two numbers is 8. If three times the first number is equal to the second number, find the numbers.

MissTica

Step-by-step explanation:

Hi there,

The sum of two numbers is 8.

x + y = 8

If three times the first number

is equal to the second number.

3x = y

Replace the y in top equation with 3x

x + 3x = 8

4x = 8

x = 2

Substitute x = 2 in first equation

x + y = 8

2 + y = 8

y = 8 - 2

y = 6

{2,6}

Hope this helps :-)

5 0

3 years ago

What is the volume of the cylinder height 12cm length 4cm

erica [24]

Answer:

$192\pi \: {cm}^{3}$

Step-by-step explanation:

h = 12 cm, r = 4 cm

$V_{cylinder} = \pi {r}^{2} h \\ = \pi \times {4}^{2} \times 12 \\ = \pi \times 16 \times 12 \\ V_{cylinder}= 192\pi \: {cm}^{3}$

6 0

3 years ago