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earnstyle [38]
3 years ago
9

I need answer fast please help

Mathematics
2 answers:
dangina [55]3 years ago
6 0

Answer:

\sqrt{16}

Step-by-step explanation:

The square root of 16 is the right answer

SpyIntel [72]3 years ago
6 0

Answer:

B. The square root of 16 is 4., and 4 is a whole number. A whole number is a part of the rational family.

Step-by-step explanation:

Remember: A rational number is any number that can be written into a fraction. Such as integers.

A is incorrect because 15 is not a whole numer, and it's decimals are not repeating with a pattern or terminating.

B is correct because the square root of 16, which is 4, is a whole number.

C is incorrect because 21 is not a whole numer, and it's decimals are not repeating with a pattern or terminating.

D is incorrect because 22 is not a whole numer, and it's decimals are not repeating with a pattern or terminating.

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You are driving to a vacation spot that is 1500 miles away. Including rest stops it’s takes you 42 hours to get to the vacation
Serga [27]

You were not driving for 12 hours.

<em><u>Explanation</u></em>

Distance to the vacation spot is 1500 miles and you estimate that you drove an average speed of 50 mph.

<u>Relationship between distance, speed and time</u> is.......

distance=speed*time\\ \\ time=\frac{distance}{speed}

So, the <u>number of hours you drove</u> =\frac{1500}{50}hours= 30 hours

Given that, including rest stops it’s takes you 42 hours to get to the vacation spot.

Thus, the number of hours you were not driving =(42-30)=12 hours

5 0
3 years ago
Rafael is taking a test that contains a section of 12 true-false questions. how many of the possible groups of answers to these
stiv31 [10]
Answer: There are 495 possible different sets of answers the could contain exactly 8 correct answers of false.

Basically, we are looking for the number of different ways of selecting 8 objects out of a set of 12 objects. Our objects are answers of false and the set is the test.

This is a combination problem. The formula would be:

12! / (8! x 4!) = 495
5 0
3 years ago
Write f(x)=8x^2-4x+11 in vertex form
Vlad [161]

Answer:

f(x)=8(x-\frac{1}{4})^{2}+\frac{21}{2}

or

f(x)=8(x-0.25)^{2}+10.5

Step-by-step explanation:

we have

f(x)=8x^{2}-4x+11

This is a vertical parabola open upward (because the leading coefficient is positive)

The vertex is a minimum

Convert to vertex form

Factor the leading coefficient

f(x)=8(x^{2}-\frac{1}{2}x)+11

Complete the square. Remember to balance the equation by adding the same constants to each side.

f(x)=8(x^{2}-\frac{1}{2}x+\frac{1}{16})+11-\frac{1}{2}

f(x)=8(x^{2}-\frac{1}{2}x+\frac{1}{16})+\frac{21}{2}

Rewrite as perfect squares

f(x)=8(x-\frac{1}{4})^{2}+\frac{21}{2} ----> equation in vertex form

or

f(x)=8(x-0.25)^{2}+10.5

The vertex is the point  (0.25,10.5)

3 0
3 years ago
Two bags contained 50 kilograms of sugar each. After 3 times as much sugar was taken from the first bag than from the second bag
erma4kov [3.2K]
20 kg remaining in bag 1.
40 kg remaining in bag 2.
8 0
3 years ago
What does 1/10 of 3000 equal?
arsen [322]
Answer:-
1/10×3000
=300
4 0
3 years ago
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