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3 years ago

Express 12/3 as a mixed number

Mathematics

2 answers:

Fantom [35]3 years ago

4 0

A fraction is a division problem so 12 divided by 3 = 4 so your answer
is 4. Hope I helped. =)

djyliett [7]3 years ago

4 0

A mixed number has a whole number and a fraction. To convert the improper fraction into a mixed number multiply the denominator by a whole number that is close to 12.

Now lets solve for the improper fraction 12/3. 12 represents the numerator and 3 represents the denominator.

3 * 1 = 3 Too small
3 * 2 = 6 Too small
3 * 3 = 9 Too small
3 * 4 = 12 Perfect!!

Therefore the whole number is 4.

4 12/3

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A piano has 52 white keys. Write and use an equation to find the number of octaves on a piano keyboard.

Firdavs [7]

There are 7 keys in each octave (C,D,E,F,G,A and B) so it would make sense to divide 52 to 7.
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3 0

3 years ago

8. Complete the table below by drawing an example of each shape.

lyudmila [28]

Answer:

Please see attachment.

The first one is a quadrilateral that is not a parallelogram.

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Step-by-step explanation:

Hope this helps!

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2 years ago

Plz help me Jen can jump rope 80 times in 60 seconds. If she jumps at a constant ratio of seconds to jumps, how many jumps can s

uysha [10]

Answer:

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Step-by-step explanation:

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2 years ago

5. Aaron sold 126 boxes of cookies. This is 14 more than twice the

qaws [65]

Answer:

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Step-by-step explanation:

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6 0

2 years ago

How much should a family deposit at the end of every 6 months in order to have $4000 at the end of 3 years? The account pays 5.9

ra1l [238]

We are asked to determine the present value of an annuity that is paid at the end of each period. Therefore, we need to use the formula for present value ordinary, which is:

$PV_{ord}=C(\frac{1-(1+i)^{-kn}}{\frac{i}{k}})$

Where:

$\begin{gathered} C=\text{ payments each period} \\ i=\text{ interest rate} \\ n=\text{ number of periods} \\ k=\text{ number of times the interest is compounded} \end{gathered}$

Since the interest is compounded semi-annually this means that it is compounded 2 times a year, therefore, k = 2. Now we need to convert the interest rate into decimal form. To do that we will divide the interest rate by 100:

$\frac{5.9}{100}=0.059$

Now we substitute the values:

$PV_{ord}=4000(\frac{1-(1+0.059)^{-2(3)}}{\frac{0.059}{2}})$

Now we solve the operations, we get:

$PV_{\text{ord}}=39462.50$

Therefore, the present value must be $39462.50

8 0

1 year ago