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photoshop1234 [79]
3 years ago
10

What is the square root of 16

Mathematics
2 answers:
natima [27]3 years ago
8 0
The\ square\ root\ of\ 16:\\\\\sqrt{16}=4\ because\ 4^2=4\cdot4=16\\--------------------\\de finition\ of\ the\ square\ root:\ \sqrt{a}=b\ if\ b^2=a\ where\ a\geq0\ and\ b\geq0
777dan777 [17]3 years ago
4 0
\sqrt{16} = \sqrt{4\times 4} =  \sqrt{4^2} =4^{\frac {2}{2}} =4^1=4
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7 feet =___inches can some one help me with this​
ozzi

Answer:

84 in.

Step-by-step explanation:

multiply 12 by 7

there are 12 inches in a foot and 7 feet

5 0
2 years ago
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Calculate the approximate probability that at least 2 children have been diagnosed with ASD among the 200 selected children.
mixas84 [53]

Answer:

The approximate probability that at least 2 children have been diagnosed with ASD among the 200 selected children is

0.01 or 1%.

Step-by-step explanation:

Number of selected children = 200

The probability of no child been diagnosed with ASD = P(None) = 198/200 = 0.99

Therefore, the probability of at least two children been diagnosed with ASD = 1 - 0.99 = 0.01.

This is the same as:

If 2 children have been diagnosed with ASD,

therefore, the approximate probability that at least 2 children have been diagnosed is:

2/200 = 0.01.  This value is equal to 1%.

The above are summed up in:

The probability of at least one = 1/200 = 0.05

Therefore, the probability of at least two = 0.05 * 2 = 0.01

b) Generally, to find the probability of at least one event happening, we calculate the probability of none and then subtract that result from 1. That is, P(at least one) = 1 – P(none).  For two events happening, the sum of the probability of at least one in two places is deducted from 1 to get the probability of at least two.

4 0
2 years ago
out of 1200 student served at lunch 660 of the students get hamburgers what is the percent of people who got hamburgers ​
Mars2501 [29]

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45% of students got hamburgers :)

Step-by-step explanation:

3 0
2 years ago
Hurry please!
joja [24]

Answer:

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Step-by-step explanation:

4 0
2 years ago
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The 40th parallel of north latitude runs across the United States through Philadelphia, Indianapolis, and Denver. At this latitu
Ronch [10]

Answer:

793.25 mi/hr

Step-by-step explanation:

Given that:

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The angular velocity = \dfrac{\pi}{12} rads

If a jet flies due west with the same angular velocity relative to the ground at the equinox;

We are  to determine the How fast in miles per hour would the jet have to travel west at the 40th parallel for this to happen.

NOW;

Distance s is expressed by the relation

s = rθ

s = 3030(\frac{\pi}{12} )

s = 793.25

The speed which depicts how fast in miles per hour the jet would have traveled is :

speed (v) = \frac{s}{t}

v = \frac{793.25}{1}

v = 793.25 mi/hr

Hence, the jet would have traveled 793.25 mi/hr due west at the  40th parallel for this to happen.

7 0
3 years ago
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