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2 years ago

Brad deposited $4,000 into a savings account that earn 4% compound interest. How much interest did he earn after three years?

Mathematics

1 answer:

Ainat [17]2 years ago

8 0

Answer:

5512

Step-by-step explanation:

4900x1.04=5096

5096x1.04=5300

5300x1.04=5512

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the standard addition algorithm below is being used to add three two-digit numbers 4z + 27 + x 5 equals y 14. If x, y, and z eac

Studentka2010 [4]

For the units positions of all numbers we have:
$z+7+5=4 \\ z+12=4$
From this we can conclude that total sum of these three numbers is 14. Number 1 we carry to next step. So we have:
$z+12=14 \\ z=2$

For the tens positions of all numbers we have:
$4+2+x+1=1 \\ 7+x=1$
The extra number 1 on left side comes from the carry from last step. Similar to ones position we know that total sum is 11.
$7+x=11 \\ x=4$

Now we insert x and z to find out y:
$42+27+45=y14 \\ 114=y14 \\ y=1$

Now we need to find out the product of these three numbers:
$x*y*z=4*1*2=8$

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3 years ago

Look at the pic and help if you can thxxxx

givi [52]

Answer:

The 1,3,and 4.

Step-by-step explanation:

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3 years ago

a party rental company has chairs and tables for rent. The total cost to rent 9 chairs and 7 tables is $63. The total cost to re

Anna [14]

Each chair is $1.25 and each table is $8.50

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3 years ago

How to write a quadratic form vertex form to standard form

sineoko [7]

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2 years ago

Given that an American is a male, what is the probability that he prefers name-brand milk? b. Given that an American is a female

Evgesh-ka [11]

Answer:

a) 0.280

b) 0.300

c) No, preference is not independent of gender. Since the P(N) (0.29) is not equal to P(N|M) (0.28) and/or P(N|F) (0.30), the preference and gender are not completely, statistically independent. It's very close though.

Step-by-step explanation:

Let the probability that the somebody surveyed is a male be P(M)

Let the probability that somebody surveyed is female be P(F)

Let the probability that somebody surveyed picked the name-brand milk be P(N)

Let the probability that somebody surveyed picked the store-brand milk be P(St)

Let the probability that somebody surveyed picked the something else be P(So)

a) Given that an American is a male, what is the probability that he prefers name-brand milk = P(N|M) = 319/1138 = 0.280

b) Given that an American is a female, what is the probability that she prefers name-brand milk = P(N|F) = 341/1138 = 0.300

c) To investigate if the preference and gender are independent or not, we need the P(N)

P(N) = probability that an average an Average American (male or female) will prefer a nam-brand milk = 660/2276 = 0.290.

Since the P(N) (0.29) is not equal to P(N|M) (0.28) and/or P(N|F) (0.30), the preference and gender are not statistically independent. It's very close though.

3 0

3 years ago