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Nutka1998 [239]
3 years ago
7

Find the value of a. The diagram is not to scale. a. 36 b. 144 c. 54 d. 126 **I believe the answer is B

Mathematics
2 answers:
Papessa [141]3 years ago
6 0
I agree with you to the answer being B
andre [41]3 years ago
6 0
Yup looks like the answer is B!!

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What is the domain of the function y = 2 StartRoot x minus 5 EndRoot?
Juli2301 [7.4K]

Answer:

The domain of the function should be:

'x greater than or equal to negative -5'.

Hence, option A is true.

Step-by-step explanation:

Given the expression

2\sqrt{x-5}

The domain of a function is the set of input or arguments for which the function is real and defined

We know that the value, inside the radicand, is the number found inside a radical symbol which must be greater than 0, otherwise, it would make the function undefined,

i.e.

x-5 ≥ 0

x ≥ 5

In other words, the domain of the function should be:

'x greater than or equal to negative -5'.

Therefore, the domain of the function:

x ≥ 5

\mathrm{Domain\:of\:}\:2\sqrt{x-5}\::\quad \begin{bmatrix}\mathrm{Solution:}\:&\:x\ge \:5\:\\ \:\mathrm{Interval\:Notation:}&\:[5,\:\infty \:)\end{bmatrix}

Hence, option A is true.

3 0
2 years ago
Read 2 more answers
the distance in feet that Karina swims in a race is represent by 8d - 8, where d is the distance for each lap.What is an express
sergij07 [2.7K]

Answer:    The equivalent expression for  is  

Step-by-step explanation:

The distance in feet that Karina swims in a race is represented by 4d - 4, where is d is the distance for each lap.

To get equivalent expression we factor the expression 4d-4

Greatest common factor is 4

Factor out 4 from the expression 4d-4

when we factor out 4, we divide each term by 4

The equivalent expression for  is

Step-by-step explanation:

4 0
3 years ago
Write an algebraic expression for the words: "10 less than p".
olga55 [171]
10 less than p:

10<p
4 0
3 years ago
Read 2 more answers
Write the formula to calculate median class​
Vikki [24]

This formula is used to find the median in a group data which is located in the median class. Median, m = L + [ (N/2 – F) / f ]C

L means lower boundary of the median class N means sum of frequencies F means cumulative frequency before the median class.

Hope this helps :))

8 0
2 years ago
The “golf ball” of space mountain at epcot in Orlando, Florida has a diameter of 60 yards. What’s the volume of that sphere? (Us
devlian [24]

Answer:

<u>The correct answer is D. 113,097.6 cubic yards.</u>

Step-by-step explanation:

Let's find the volume of the "golf ball" of space mountain at Epcot Center.

The volume of any sphere is 4/3 π * r ³

Replacing for the real values, we have:

Volume of "golf ball" = 4/3 * 3.1416 * 30 ³ (diameter = 60 yards ⇒ radius = 30 yards)

Volume of "golf ball" = 4/3 * 3.1416 * 27,000 (30³ - 27,000)

Volume of "golf ball" = 4 * 3.1416 * 9,000 (Dividing 27,000 by 3)

Volume of "golf ball" = 36,000 * 3.1416

Volume of "golf ball" = 113,097.6 cubic yards.

<u>The correct answer is D. 113,097.6 cubic yards.</u>

4 0
3 years ago
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