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3 years ago

Can someone plz help me!!!

Mathematics

1 answer:

yKpoI14uk [10]3 years ago

8 0

Answer:

The answer is no because 5 is greater than 3

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Mr. Jones has part of his $5,000 savings in an account that earned 7% interest and the rest in an account that earned 9% interes

Kipish [7]

Answer:z = $2286.5

y = $2713.5

Step-by-step explanation:

Let z represent the amount of money invested at the rate of 7%.

Let y represent the amount of money invested at the rate of 9%.

Mr. Jones has part of his $5,000 savings in an account that earned 7% interest and the rest in an account that earned 9% interest.. This means that

z + y = 5000

The formula for simple interest is expressed as

I = PRT/100

Where

P represents the principal

R represents interest rate

T represents time

Considering the investment at the rate of 7%,

P = x

R = 7

T = 1

I = (z × 7 × 1)/100 = 0.07z

Considering the investment at the rate of 9%,

P = y

R = 9

T = 1

I = (y × 9 × 1)/100 = 0.09y

if his annual income from the total investment was 404.27, it means

0.07z + 0.09y = 404.27 - - - - - -1

Substituting z = 5000 - y into equation 1, it becomes

0.07(5000 - y) + 0.09y = 404.27

350 - 0.07y + 0.09y = 404.27

- 0.07y + 0.09y = 404.27 - 350

0.02y = 54.27

y = 54.27/0.02 = $2713.5

Substituting y = 2713.5 into z = 5000 - y, it becomes

z = 5000 - 2713.5 = $2286.5

4 0

4 years ago

The interest rate r required to increase your investment p to the amount a in t years is found by . Find the interest rate r for

Dahasolnce [82]

Answer:

The interest rate was of 0.1173 = 11.73%.

Step-by-step explanation:

This is a simple interest problem.

The simple interest formula is given by:

$E = P*I*t$

In which E is the amount of interest earned, P is the principal(the initial amount of money), I is the interest rate(yearly, as a decimal) and t is the time.

After t years, the total amount of money is:

$A = E + P$

In this problem, we have that:

$A = 10000, P = 8100, t = 2$

$A = E + P$

$10000 = E + 8100$

$E = 1900$

$1900 = 8100*I*2$

$I = \frac{1900}{8100*2}$

$I = 0.1173$

The interest rate was of 0.1173 = 11.73%.

7 0

3 years ago

What is 76.32 plus 99.86<br>Divide the answer by 3?

ANEK [815]

58.7266666667

That would be the answer. Hope this helps!

8 0

3 years ago

What is 4.86 divided by .2

stepan [7]

Lets solve:

- - Solve for that to get answer:

24.3

Your final answer is 24.3

8 0

3 years ago

Read 2 more answers

Pls help best answer brainest

Korolek [52]

<h3>Answer: Associative Property</h3>

==================================================

Explanation:

The given equation is in the form

a + (b+c) = (a+b) + c

where,

a = -2.2
b = -3.7
c = -1.4

The associative property of addition is what specifically is being applied. There's a multiplication version of this property as well. The associative property is the idea where we can move parenthesis around to group terms in different ways, and still get the same result regardless of what we did with the parenthesis.

------------

The associative property only works with addition and multiplication. Something like subtraction will be a different story

Eg: 1-(2-3) is different from (1-2)-3, so a-(b-c) is not the same as (a-b)-c

6 0

3 years ago