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Reptile [31]
2 years ago
7

You deposit $600 in an account earning 6% interest compounded annually. How much will you have in the account in 20 years?

Mathematics
1 answer:
Sonja [21]2 years ago
3 0

Answer:

1320 will be in the account in 20 years.

Step-by-step explanation:

600 x 6%

600 x 6/100 = 36 interest annually .

20 x 36 = 720.

720 + 600 = 1320.

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In a psychology class, 32 students have a mean score of 93.2 on a test. Then 16 more students take the test and their mean score
liraira [26]

Answer:  83.3

Step-by-step explanation:

Formula :

\text{Mean}=\dfrac{\text{Sum of all observations}}{\text{Number of observations}}                   (1)

\Rightarrow\ \text{Sum of all observations}=\text{Mean x (Number of observations)}           (2)

Given : In a psychology class, 32 students have a mean score of 93.2 on a test.

By Using (2) , Sum of scores of 32 students = 93.2 x 32 =2982.4   (3)

Then 16 have a mean score of 63.4.

Again, By Using (2) , Sum of scores of 16 students = 63.4 x 16 =1014.4   (4)

Total students = 32+16 = 48

Add (3) and (4) , we get combined score of 48 students = 2982.4+ 1014.4

=3996.8

Now , by using (2) , the  mean score of all of these students together

=\dfrac{3996.8}{48}=83.2666666667\approx83.3

Hence, the mean score of all of these students together is 83.3.

4 0
3 years ago
A pack of clothes pins has 1 quarter yellow 2 thirds red and the rest blue how much blue pins are there
IgorC [24]

Answer: 1/12

Step-by-step explanation:

First make all the fractions have the same denominator. To do that, multiply the fractions by a number that will get them the same denominator. In this case, multiply 1/4 by 3, and 2/3 by 4.

1/4 x 3/3 = 3/12

2/3 x 4/4 = 8/12

then you have 3/12 + 8/12 = 11/12

so, blue is 1/12

4 0
2 years ago
Read 2 more answers
SOMEONE ANSWER PLEASE PLEASE
Gnom [1K]

Answer:

See explanation below.

Step-by-step explanation:

Let's say,

x = number of tokens required to play one game of ping pong

y = number of token required play one game of pinball

Using the data given, the system of equations are:

\begin{bmatrix}9x+5y=29\\ 3x+y=7\end{bmatrix}

Solving the system of equations using substitution method will give us:

y=4\:\:\:,\:\:\:x=1

So, one game of ping pong required 1 token, whereas one game of pinball required 4 tokens.

3 0
3 years ago
What is 4/5+1/3 as a mixed number
Alona [7]

Answer:

1 and 2/15

Step-by-step explanation:

3 0
3 years ago
Macy wants to know if the number of words on a page in her grammar book is generally more than the number of words on a page in
dybincka [34]

yes, because there is a lot of variability in the grammar book data.

6 0
2 years ago
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