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3 years ago

What is 18 expressed as a percent?

Mathematics

2 answers:

MAVERICK [17]3 years ago

4 0

18% , because 0.18 is 18/100 so, if you got 18 it is 18 out of a 100 which makes it 18%

Vladimir79 [104]3 years ago

3 0

Here is your answer:

Your answer is 18%

Reason: That's because 18 has a invisible decimal point:

18.

Then you move to decimal and change it into a %

Which will make it 18%

Your answer is...
18%

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Multiply.

Nady [450]

$\boxed{3\sqrt{22}\sqrt{58}\sqrt{18}=18\sqrt{638}}$

<h2>Explanation:</h2>

Here we have the following expression:

$3\sqrt{22}\sqrt{58}\sqrt{18}$

So we need to simplify that radical expression. By property of radicals we know that:

$\sqrt[n]{a}\sqrt[n]{b}=\sqrt[n]{ab}$

So:

$3\sqrt{22}\sqrt{58}\sqrt{18}=3\sqrt{22\times 58 \times 18}=3\sqrt{22968}$

The prime factorization of 22968 is:

$22968=2^3\cdot 3^2\cdot11\cdot 29$

Hence:

$3\sqrt{22968}=3\sqrt{2^3\cdot 3^2\cdot11\cdot 29}=3\sqrt{2^2\cdot 3^2\cdot 2\cdot 11\cdot 29}$

By property:

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

So:

$3\sqrt{2^2\cdot 3^2\cdot 2\cdot 11\cdot 29} \\ \\ 3(2)(3)\sqrt{2\cdot 11\cdot 29}=18\sqrt{638}$

Finally:

$\boxed{3\sqrt{22}\sqrt{58}\sqrt{18}=18\sqrt{638}}$

<h2>Learn more:</h2>

Radical expressions: brainly.com/question/13452541

#LearnWithBrainly

3 0

3 years ago

The table below shows how much it costs per gallon to fill a gas tank with premium

Leni [432]

47.50/10 = 4.75

57/12 = 4.75

76/16 = 4.75

The unit rate is C. $4.75

6 0

3 years ago

At her birthday party marcies guests are 2/3 of her birthday cake and her family ate 1/4 of the cake how much cake was left afte

IRISSAK [1]

Answer: 1/12 of the cake.

Step-by-step explanation:

First, find the LCM (Least Common Multiple) of 3 and 4. The easiest way to do this is to multiply the two together. 3*4 = 12.

Now, convert each fraction to be out of twelfths. Do this by setting up a proportion. 2/3 = x/12. Cross multiply and divide. 2*12 = 24. 24/3 = 8. Therefore, 2/3 = 8/12.

Do the same for 1/4. 1/4 = x/12. Cross multiply and divide. 12*1 = 12. 12/4 = 3. Therefore, 1/4 = 3/12.

Now add these two fractions by adding the numerators and keeping the denominators the same. 8/12 + 3/12 = 11/12.

Subtract this answer from 1 (12/12). 12/12 - 11/12 = 1/12

4 0

2 years ago

2-10) - 1751-*) - 3 - 2

zimovet [89]

Answer: 5,227

Step-by-step explanation:

6 0

3 years ago

At a clothing store , t shirts cost $10 sweatpants cost $15 . If Autum spends $220 after buying 16 items , how many did she buy

Vinvika [58]

Answer:

2 shirts and 14 pants

why it is awnser

it is that because if u do 15×16 u get 240 and if u subtract 10 twice from that u get 220 so

subtract 16 from 2 and that gives u how many pants she bought and the 2 represents the shirts

3 0

3 years ago