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3 years ago

What is square root in simplified form? What is in simplified form?

Mathematics

1 answer:

Anon25 [30]3 years ago

8 0

Answer:

Step-by-step explanation:

Let as us 45 as the number we should use to get the square root in the simplest form

And then 144

The square root of a number in is simplest form means to get the number inside the radical as low as possible

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Brian's school locker has a three-digit combination lock that can be set using the numbers 5 to 9 (including 5 and 9), without r

aliina [53]

Answer:

Probability of a prime number = 2/5.

Probability of last number being odd = 3/5.

Step-by-step explanation:

There are 2 prime numbers (5 and 7) in the 5 numbers ( 5, 6, 7, 8, 9).

So Prob(Prime number being first) = 2/5.

There are 3 odd numbers and 2 even so:

Possible combinations of Odd (O) and Even (E) numbers with last number being Odd are:

OOO, EEO, OEO or EOO.

Prob (OOO) = 3/5 * 1/2 * 1/3 = 3/30 = 1/10.

Prob(EEO) = 2/5 * 1/4 = 1/10.

Prob(OEO) = 3/5 * 1/2* 2/3 = 6/30 = 1/5.

Prob(EOO) = 2/5 * 3/4 * 2/3 = 12/60 = 1/5.

Therefore the probability of the last number being odd =

1/10 + 1/10 + 1/5 + 1/5

= 3/5 (answer).

6 0

3 years ago

HELP ME PLEASE !!!!!!!!!

mojhsa [17]

Answer:

Please find the answer below:

Step-by-step explanation:

Ray : No

Vertex : No

Angle : No

Parallel Lines : No

Parallel Planes : No

Co planar Points: A N B C F

Segment Adding Postulates : AN and NB

Perpendicular Lines : No

6 0

3 years ago

Find cos (P)

eimsori [14]

Answer:

cos P = 71.09

Step-by-step explanation:

cos = $\frac{adajcent}{hypotenuse}$

cos P = $\frac{24}{74}$

cos P = 0.324

cos-1 of 0.324 is 71.09

cos P = 71.09

4 0

3 years ago

It is believed that 43% of the US population can play the piano, 28% can play the guitar, 15% can play the harmonica, 12% can pl

melomori [17]

Answer:

The smallest sample size to satisfy the conditions is n=500.

Step-by-step explanation:

The condition for performing the inference related to the sample size is that, for all the categories, the expected success and failures in the sample are at least 10:

$np\geq10\\\\n(1-p)\geq10$

The largest sample size required will be for the minimum p or (1-p).

This happens to be the proportion that can play other instruments: 2%.

Then, we can calculate the minimum sample size as:

$np\geq10\\\\n(0.02)\geq10\\\\n\geq(10/0.02)\\\\n\geq500$

6 0

3 years ago

Which of the following is equivalent to the expression 8/3 - 5/6 - 2/12

Vlad [161]

Given:

The expression is

$\dfrac{8}{3}-\dfrac{5}{6}-\dfrac{2}{12}$

To find:

The expression which is equivalent to the given expression.

Solution:

We have,

$\dfrac{8}{3}-\dfrac{5}{6}-\dfrac{2}{12}$

It can be written as

$=\dfrac{8}{3}-\dfrac{5}{6}-\dfrac{1}{6}$

Taking LCM, we get

$=\dfrac{16-5-1}{6}$

$=\dfrac{10}{6}$

$=\dfrac{5}{3}$

The mixed fraction of this improper fraction is

$=\dfrac{1\times 3+2}{3}$

$=1\dfrac{2}{3}$

So, the expression $1\dfrac{2}{3}$ is equivalent to the given expression.

Therefore, the correct option is A.

8 0

4 years ago