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4 years ago

katie has red 32% of a book if she has to read 80 pages how many more pages does Katie have left to read

1 answer:

5 0

In this question, the information that Katie has already read 32% of a book that has a total of 80 pages is of great importance. This information is enough to find the required answer to the question.
Total number of pages Katie has to read = 80
Percentage of pages that Cathie read = 32%
Number of pages that Katie read = (32/100) * 80
   = 256/10
   = 25.6 pages
Then
The number of pages that Katie have left to read = 80 - 25.6
   = 54.4 pages
So Katie has 54.4 pages left to read.

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What is the volume of hemisphere with a radius of 8 ft rounded to the nearest tenth of cubic foot

patriot [66]

Answer:

1072.3 $ft^{3}$

Step-by-step explanation:

A hemisphere is half of a sphere, so the volume V of the hemisphere is the volume of the sphere divided by 2.

V = (2/3)* $\pi$ $r^{3}$

= (2/3)* $\pi$ $(8ft)^{3}$

= (2/3)* $\pi$ *512 $ft^{3}$

= 1072.3 $ft^{3}$

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3 years ago

Can someone turn 4,971 into a scientific notation

Illusion [34]

We need to divide 4,971 by 10 until its a number less then 10.

4,971 / 10 = 497.1

497.1 / 10 = 49.71

49.71 / 10 = 4.971

Now, 4.971 is less then 10, so, we can write this into scientific notation.

4.971 * 10^?

We need to know what power we add to 10 to get 4,971. We can solve for looking at the number of times we divided. As you can see above, we divided 3 times so that will be the power of 10.

4.971 * 10³

Best of Luck!

6 0

3 years ago

Read 2 more answers

What was the original price if after increasing by 60% it became $8?

Nesterboy [21]

The answer is 5a pretty sure

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3 years ago

Do all composite numbers have a 2 in the ones place?

marshall27 [118]

Answer:

No!

Step-by-step explanation:

Prime is anything that cannot be divided into but by one and itself, therefore all even numbers are Composite.

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3 years ago

Evaluate the limit of tan 4x/ 4tan3x

Brut [27]

Answer:

1/3

Step-by-step explanation:

The ratio is undefined at x=0, so we presume that's where we're interested in the limit. Both numerator and denominator are zero at x=0, so L'Hôpital's rule applies. According to that rule, we replace numerator and denominator with their respective derivatives.

$\displaystyle\lim\limits_{x\to 0}\dfrac{\tan{(4x)}}{4\tan{(3x)}}=\lim\limits_{x\to 0}\dfrac{\tan'{(4x)}}{4\tan'{(3x)}}=\lim\limits_{x\to 0}\dfrac{4\sec{(4x)^2}}{12\sec{(3x)^2}}=\dfrac{4}{12}\\\\\boxed{\lim\limits_{x\to 0}\dfrac{\tan{(4x)}}{4\tan{(3x)}}=\dfrac{1}{3}}$

6 0

3 years ago