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2 years ago

There are 3 3/4 cookies. if there is 1/4 of a cookie in each bag, how many bags are there?

Mathematics

1 answer:

Svetlanka [38]2 years ago

5 0

Answer:

15 bags

Step-by-step explanation:

3 = 12/4

3 3/4 = 3+3/4 = 12/4 + 3/4 = (12+3)/4 = 15/4

(15/4) ÷ (1/4) = 15

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The population of current statistics students has ages with mean mu and standard deviation sigma. samples of statistics students

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3 years ago

PLS HELP ASAP PLS IF YOU DO THANK YOU SOSOSOSOOSOS MUCH Find the measure of angle x. Round your answer to the nearest hundredth.

Lina20 [59]

Answer:

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3 years ago

The square of a whole number 'n' lies between 80 and 150. Find all possible values for 'n'.

pychu [463]

The square of a whole number n lies between 80 and 150, so n lies between √80 and √150.

$\sqrt{80} \approx 8.9 \\
\sqrt{150} \approx 12.2$

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4 years ago

Find the volume for the shape below

Thepotemich [5.8K]

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2 years ago

Mai invests $20,000 at age 20. She hopes the investment will be worth $500,000 when she turns 40. If the interest compounds cont

love history [14]

Answer:

$\approx$ 17.5% per annum

Step-by-step explanation:

Given:

Money invested = $20,000 at the age of 20 years.

Money expected to be $500,000 at the age of 40.

Time = 40 - 20 = 20 years

Interest is compounded annually.

To find:

Rate of growth = ?

Solution:

First of all, let us have a look at the formula for compound interest.

$A = P \times (1+\frac{R}{100})^T$

Where A is the amount after T years compounding at a rate of R% per annum. P is the principal amount.

Here, We are given:

P = $20,000

A = $500,000

T = 20 years

R = ?

Putting all the values in the formula:

$500000 = 20000 \times (1+\frac{R}{100})^{20}\\\Rightarrow \dfrac{500000}{20000} =(1+\frac{R}{100})^{20}\\\Rightarrow 25 =(1+\frac{R}{100})^{20}\\\Rightarrow \sqrt[20]{25} =1+\frac{R}{100}\\\Rightarrow 1.175 = 1+0.01R\\\Rightarrow R \approx17.5\%$

So, the correct answer is $\approx$ 17.5% per annum and compounding annually.

6 0

3 years ago