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2 years ago

14

Lake Circulo is a large, circular lake with a walking path around it. The path is 25.12 miles long. What is the approximate area

of the lake?

1 answer:

dexar [7]2 years ago

6 0

Answer:

50.4 square miles

Step-by-step explanation:

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Sphere A has a radius of 24 centimeters, and sphere B has a diameter of 42 centimeters. The radius of sphere A is multiplied by

Vera_Pavlovna [14]

The correct answer is:

B. $\frac{7}{8}$

The radius of sphere A is multiplied by $\frac{7}{8}$ to produce the radius of sphere B.

$|Huntrw6|$

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2 years ago

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A monkey has filled in a 3 x 3 grid with the numbers 1, 2,...,9. A cat writes down the three numbers obtained by multiplying the

Digiron [165]

Answer:

Deatailed Answer to the question is given in the attached files.

Step-by-step explanation:

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2 years ago

What is the simplest form of RootIndex 3 StartRoot 27 a cubed b Superscript 7 Baseline EndRoot?

Vinvika [58]

Answer: $3ab\sqrt[3]{b^4}$

Step-by-step explanation:

Given the following expression:

$\sqrt[3]{27a^3b^7}$

You need to apply the Product of powers property, which states that:

$(a^m)(a^n)=a^{(m+n)$

Then, you can rewrite the expression as following:

$=\sqrt[3]{27a^3b^4b^3}$

The next step is to descompose 27 into its prime factors:

$27=3*3*3=3^3$

Now you must substitute $3^3$ inside the given root. Then:

$=\sqrt[3]{3^3a^3b^4b^3}$

You need to remember that, according to Radicals properties:

$\sqrt[n]{a^n}=a^{\frac{n}{n}}=a^1=a$

Therefore, the final step is to apply this property in order to finally get the expression is its simplest form. This is:

$=3^{\frac{3}{3}}a^{\frac{3}{3}}b^{\frac{4}{3}}b^{\frac{3}{3}}=3ab^{\frac{4}{3}}b=3ab\sqrt[3]{b^4}$

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2 years ago

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sarah invests £9600 at a simple interest rate of 8% per year. Work out the value of the investment after 3 years

andre [41]

Answer:

the value of the investment after 3 years= £11,904

Step-by-step explanation:

sarah invests £9600 at a simple interest rate of 8% per year

number of years = 3

Formula for simple interest

I = P*n* r

P is the initial amount invested= 9600

r is the rate of interest = 8% = 0.08

n = number of years = 3

Now we find interest using formula

I = 9600 * 0.08 * 3= 2304

Interest amount is 2,304

Now we add the interest with the initial amount to get the value of investment after 3 years

9600 + 2304= 11904

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2 years ago

The foodservice department has been asked to prepare a special luncheon for the grandway hospital board of directors on tuesday.

AURORKA [14]

125/21 = 150/x
cross multiply
125x = 3150
x = 3150/125
x = 25.2 lbs....rounded up = 26 lbs <==

5 0

2 years ago