Raj opens his bank account with $500. He deposits $40 each month. A) write a function that shows the amount in Raj's account after m months. B) after how many months will Raj have $780 in his bank account?

Answers

Answer 1

Answer:

The expression for the money deposited in the bank is 500 + 40m and it will take 7 months to get the required amount.

What is compound interest?

The compound interest is a form of interest where the rate of interest is applied on the amount obtained after every interval of time.

(A) The balance of Raj's account is given as $500.

And, the money deposited every month is $40.

Suppose, the number of months be m.

Then, the following expression can be written for money in account as,

500 + 40m.

(B) The equation for the given case can be written as,

500 + 40m = 780

⇒ 40m = 280

⇒ m = 7

Hence, the required expression is 500 + 40m number of months required is 7.

To know more about compound interest click on,

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Answer 2

Answer: Answer to B) is 7 months. Don’t quite understand A) though. More information about how many months you have to show for, would be quite helpful:)

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PLEASE HELP ME! How do you factor out the coefficient of a variable?? Example: 5c - 15

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divide both by a number that can go into both terms so it will be 5 .
$(5c-15)/(5)$ which is 5(c-3)

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Photo above! Find the area of this triangle (It says the answer is 405 but all I get when I do it is 810) please help!

Answers

So, the area of a triangle is base x height, divided by 2.

When you calculated the area, you forgot to divide the answer by 2, which left you with 810.

27 x 30 = 810
Answer/2 is equal to the answer:
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Hope this helps!

the formula for the area of a triangle is 1/2(base×height)
30×27=810
810×1/2=405

-734.8--1.67 with work? What is the work for this

Answers

Answer:

-733.13

Step-by-step explanation:

Take absolute value of each number

(add absolute value bars to show what you're doing)

-734.8 = 734.8

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Elaine bought 3 4/5 pounds of apples for $1.99 per pound, 3/4 pound of pears for $2.25 per pound, and 3 2/3 pounds bananas for $1.75 per pound.1. What did Elanie spend on bananas
2. What did Elanie spend on pears
3.What did Elaine spend on Apples?

Answers

Answer:

1.$6.41

2.$1.68

3.$7.56

Step-by-step explanation:

1. 6.41
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Answers

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Find the value of b and cPLEASE SHOW WORK!

b(3x $x^(2)$ -2x+c) = 9 $x^(2)$ - 6x+15

Answers

Answer:

b=3

c=5

Step-by-step explanation:

b(3x^{2}-2x+c) = 9x^{2} - 6x+15

Distribute

3b x^2 -6x +bc = 9x^2 -6x +15

Each term must be equal

3bx^2 = 9x^2

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3b/3 = 9/3

b =3

bc = 15

3c =15

Divide by 3

3c/3 = 15/3

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