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Aloiza [94]
3 years ago
5

Carrie borrowed $800 dollars from her aunt at 8% interest per year. If she paid her a total of $448 in simple interest, how many

years did it take her to pay her aunt back?
Mathematics
1 answer:
Jet001 [13]3 years ago
8 0

Answer:

13 years

Step-by-step explanation:

First we will have to see how much she owns her aunt:

800-448= 362

8% of 348 = 27.84

362 ÷ 27.84 = 13 years

I might be wrong but hopefully this helps :)

You might be interested in
Kyle measured the length, width, and height of a donut box after all the donuts had been eaten. His measurements are shown below
oee [108]

Answer:

1/6 ft³

Step-by-step explanation:

The volume of a box can be found using the following equation:

Volume of box = width x length x height.

It is given to us that:

length = 1 ft.

width = 2/3 ft.

height = 1/4 ft.

Multiply the 3 measurements together:

V (volume) = 1 x 2/3 x 1/4

V = (1 * 2 * 1)/(3 * 4) = 2/12 ft³ , or if simplified 1/6 ft³

1/6 ft³ is your answer.

~

4 0
3 years ago
Read 2 more answers
A grocery sold 5kg of wheat flour at Rs30 per kg and gained 20%. If he had sold it at Rs27 per kg, what would be his gain or los
maria [59]

Answer:

His gain percent would have been 8%

Step-by-step explanation:

The key to answering this question is to first calculate the price at which the wheat flour was bought.

Mathematically;

% profit = (selling price-cost price)/cost price * 100%

Let the cost price be $x

Thus;

% profit = (30-x)/x * 100

20 = 100(30-x)/x

20x = 3000-100x

100x + 20x = 3000

120x = 3000

x = 3000/120

x = Rs 25

So let’s assume he sold at Rs 27

His profit would have been 27-25 = 2

His gain or loss percentage would’ve been;

2/25 * 100/1 = 200/25 = 8% (gain, since selling price is greater than the cost price)

3 0
3 years ago
Find the value or measure. Round answers to the nearest hundredth, as needed.
fredd [130]

Answer:

72 m

Step-by-step explanation:

6 0
3 years ago
(15 points)
Maslowich

Answer:

Each of the legs of isosceles right triangle is 5\sqrt{3}

Step-by-step explanation:

Watch the attached figure for the isosceles right angled triangle

Looking at the figure we see that AB=5√6 and BC=CA

According to the Pythagorean theorem the square of the hypotenuse is equal to the sum of the squares of the other two sides of a right triangle.

1) Applying the Pythagorean theorem to the isosceles right triangle, we have

BC^{2} + CA^{2} = AB^{2}

2) Let BC=a and CA=a as they both are equal

So,

a^{2} + a^{2} = (5\sqrt{6} )^{2}

=> 2a^{2} = (5\sqrt{6} )(5\sqrt{6} )

=> 2a^{2} = 5*5*\sqrt{6}*\sqrt{6}

=> 2a^{2} = 25*6 (since √6*√6 = (√6)²= 6)

=> 2a^{2} = 150

3) Dividing both sides by 2, we get

\frac{2a^{2} }{2} =\frac{150}{2}

4) Cancelling out the 2's on the left, we get

a^{2} = 75

5) Taking the square root on both sides, we have

\sqrt{a^{2}} = \sqrt{75}

=> a = 5\sqrt{3}

So,

Each of the legs of isosceles right triangle is 5\sqrt{3}



6 0
3 years ago
Linda deposits $1,800 into an account that pays 7.5% interest, compounded annually. Anna deposits $4,000 into an account that pa
lana [24]

Answer:

A is your answer because Since the interest is compounded annually, the balances grow exponentially.  

,A = P( 1 + r/n)nt

Linda = 1800(1 + 0.075)10 = ≈ $3,710

Anna = 4000( 1 + 0.05)10 = ≈ $6,516


5 0
4 years ago
Read 2 more answers
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