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oee [108]
3 years ago
11

I need some help 7th grade math

Mathematics
1 answer:
katrin2010 [14]3 years ago
8 0

Answer:

Whats the math problem??

Step-by-step explanation:

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What is the length of segment AB?<br> answer choices are...<br> 10<br> 12<br> 13<br> 15
gogolik [260]

Answer:

15

Step-by-step explanation:

3 0
3 years ago
sonja wants to have $14000 in 13 years. calculate how much she should invest now at 6% interest, compounded semiannually in orde
mariarad [96]
She should invest $6491.73.

The equation we use to solve this is in the form
A=p(1+\frac{r}{n})^{nt}, 
where A is the total amount in the account, p is the principal invested, r is the interest rate as a decimal, n is the number of times per year the interest is compounded, and t is the amount of time.

A in our problem is 14000.
p is unknown.
r is 6% = 6/100 = 0.06.
n is 2, since it is compounded semiannually.
t  is 13.

14000=p(1+\frac{0.06}{2})^{13*2}&#10;\\&#10;\\14000=p(1+0.03)^{26}&#10;\\&#10;\\14000=p(1.03)^{26}&#10;\\&#10;\\\text{Dividing both sides by }1.03^{26}\text{, we have}&#10;\\&#10;\\\frac{14000}{1.03^{26}}=\frac{p(1.03)^{26}}{1.03^{26}}&#10;\\&#10;\\6491.73\approx p
5 0
3 years ago
Find the product of 20x9x5. Tell which property is used.
Likurg_2 [28]
The answer is 900 because 20×9=180 and just multiply 180×5 and that equals 900.
8 0
3 years ago
Read 2 more answers
80 members decreased by 65%
mrs_skeptik [129]
The answer would be 28 because....
 
First, you would multiply 80 and .65 (changed the percentage to decimal) which is 52 

Then, subtract 80 and 52 to get 28
4 0
3 years ago
What is the mean of 12342634
Fantom [35]

Answer:

Mean = 3.125 ≈ 3.13

Step-by-step explanation:

Mean = <u>Sum of numbers</u> =  <u>1 + 2 + 3 + 4 + 2 + 6 + 3 + 4</u> = <u>25</u> = 3.125≈3.13

           Amount of number                     8                             8

5 0
2 years ago
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