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nlexa [21]
3 years ago
9

Pedro deposited $7,350 into a savings account 21 years ago. The account has an interest rate of 4.5% and the balance is currentl

y $18,810.67. How often does the interest compound?
Mathematics
1 answer:
Licemer1 [7]3 years ago
5 0
The interest is compounded quarterly because the formula is
A=p (1+r/k)^kt
A it's 18810.67 but I will assume it's unknown ?
P present value 7350
R interest rate 0.045
K compounded quarterly 4
Now solve the formula as the interest is compoundedquarterly
A=7,350×(1+0.045÷4)^(4×21)
A=18,810.67

So the answer is quarterly
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Three consecutive integers have a sum of 87. Find the integers.
elena-s [515]

Answer:

28, 29, and 30

Step-by-step explanation:

There's probably better ways but you can estimate by knowing 30*3=90 so it should be somewhere pretty close to 30. Guess and check with basic calculations to get 28, 29, and 30.

4 0
3 years ago
Someone plz help me out
Musya8 [376]

Answer:

The correct answer is B) - 1/6

Step-by-step explanation:

To find the answer, simply subtract two consecutive values of f(x). Any 2 will give you the same answer.

49/6 - 25/3

49/6 - 50/6

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8 0
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An online store contacts 1000 customers from its list of customers who have purchased in the last year. In all, 696 of the 1000
Vlad1618 [11]

<u>The population in this setting is(A) All customers who have purchased something in the last year.</u>

<u></u>

Step-by-step explanation:

As it is given in the question that 1000 customers from the list of the customers who made a purchase last year.So the list refers to the population of the people who have made a purchase last year .

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8 0
3 years ago
I need help on this question due to the fact I have completely forgot how to solve something so simply in 5th grade now that I a
castortr0y [4]

Answer:

10x^3+13x^2-15x-67

Step-by-step explanation:

First you distribute- 10x^3+25x^2-40-12x^2-15x-27

                      you distribute the 5 through then the negative 3 through

Then you combine like terms

        10x^3+13x^2-15x-67

Then that is just your answer after you add the ones with the squared together and the ones with no variables together

8 0
3 years ago
Find x.<br> Do not round your answer.<br> 8 cm<br> 4 cm<br> X<br> x =<br> = [ ? ] cm
Maru [420]

Answer:x=12cm

Step-by-step explanation:

PA ×PB=PT^2

4×(4+x)=(8)^2

16+4x=64

4x=64-16

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8 0
3 years ago
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