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eduard
3 years ago
13

Note: Enter your answer and show all the steps you use to solve this problem in the space provided.

Mathematics
1 answer:
Alex Ar [27]3 years ago
7 0

Answer:

(67/100)×(3/10)= (67x3)/(100×10)=201/1000=201/1000=0.201

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9/4 x = 8 1/2 what is x
castortr0y [4]

Answer:

\frac{9}{4} x = 8  \frac{1}{2} \\  \frac{9}{4}  x =  \frac{17}{2}  \\ x =  \frac{17}{2}  \times  \frac{4}{9}  \\ x =  \frac{34}{9}

6 0
3 years ago
Your parents will retire in 19 years. They currently have $350,000 saved, and they think they will need $800,000 at retirement.
patriot [66]

Answer:

<em>The annual interest is 6.77%</em>

Step-by-step explanation:

<u>Simple Interest</u>

Definition: Interest calculated on the original principal only of a loan or on the balance of an account.

Unlike compound interest where the interest earned in the compounding periods is added to form the new principal, simple interest only considers the principal to calculate the interest in every period.

The interest earned is calculated as follows:

I=Prt

Where:

I = Interest

P = initial principal balance

r = interest rate

t = time

Your parents will retire in t = 19 years. They have P=$350,000 in their savings account and they need to have $800,000 when they retire.

The interest earned is the difference between the final balance and the principal:

I = $800,000 - $350,000 = $450.000

Solving the first equation for r:

\displaystyle r=\frac{I}{P.t}

Substituting:

\displaystyle r=\frac{450,000}{350,000\cdot 19}

Calculating:

r = 0.0677

Or, equivalently:

r = 6.77%

The annual interest is 6.77%

5 0
2 years ago
She has 42 dogs all together. please help
Ludmilka [50]

Answer:

she will have 22

Step-by-step explanation:

8 0
2 years ago
The Young family has a fish tank with different colors of fish. There are 8 black fish, 5 white fish and 3 gold fish.
Marina86 [1]

Answer:

Is that all of the question

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Rotate the point (1,2) 90°<br> (-4,4)<br> (0,2)<br> (2,0)<br> (-2,1)
saw5 [17]

Answer: (-2,1)

Step-by-step explanation:

The point (1,2) is in quadrant 1.

When rotated 90 degrees counter clockwise, it moves to quadrant 2.

The new point becomes (-2,1)

5 0
2 years ago
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