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3 years ago

Helppppppppppppppppppppppppppppppppp

Mathematics

1 answer:

TiliK225 [7]3 years ago

6 0

Answer:
The third choice is the correct one

Explanation:
Square root means that what is under the root has power of 1/2

8 = 4 * 2
Therefore:
√8 = √4 * √2 = 2√2

The given expression:
(8 * x^7 * y*8)^1/2 = (8)^1/2 * (x^7)^1/2 * (y^8)^1/2
= 2√2 * x^7/2 * y^4
= 2√2 * x^3 * y^4 * √x
= 2* x^3 * y^4 √2x

Hope this helps :)

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3 0

1 year ago

40 is 120% of what number?

Dennis_Churaev [7]

Always remember that percent means "out of 100". That means the 40%=40/100=.4
so 40% of 120 is equivalent to .4(120)=48
Hope I helped

5 0

3 years ago

Read 2 more answers

What is the interquartile range(IQR) of the data set represented by this box plot?

Nesterboy [21]

IQR=Q3-Q1
73-51=22
Answer:22

5 0

3 years ago

Read 2 more answers

For 25 points

tigry1 [53]

The required domain of the inverse function is x ≤ 0. Hence option D is correct.

f(x) = -x^2

<h3>What are functions?</h3>

Functions is the relationship between sets of values. e g y=f(x), for every value of x there is its exists in set of y. x is independent variable while Y is dependent variable.

Inverse of function f(x) = -x^2
y = -x^2
x = √-y
Now,
Inverse function of f(x) is √-x
Its domain is define as less than or equal to zero.

Thus, the required domain of the inverse function is x ≤ 0.

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6 0

2 years ago

Please explain your answer as well, THANKS!!!

dusya [7]

Answer:

11,232,000

Step-by-step explanation:

The key to this problem is knowing "repetition is NOT ALLOWED".

<u>For the first 3 letters slot:</u>

For the 1st slot, we can pick any of the 26 alphabets

For the 2nd slot, we can pick any of the 25 remaining alphabets (since 1 is already taken)

For the 3rd slot, we can pick any of the 24 remaining letters (since 2 is already taken)

<u>For the three digits slot:</u>

For the 1st slot, we can pick any one of the 10 digits

For the 2nd slot, we can pick any one of the 9 digits left, since 1 is taken already

For the 3rd slot, we can pick any one of the 8 digits left, since 2 is already taken

The number of license plates, thus, would be all of these multiplied together:

26 * 25 * 24 * 10 * 9 * 8 = 11,232,000

7 0

3 years ago