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vekshin1
3 years ago
9

Which expression represents the algebraic phrase “nine times a number plus thirteen”?

Mathematics
1 answer:
lesya692 [45]3 years ago
4 0

Answer:

9y + 13

Step-by-step explanation:

a number would best represent as a variable (doesn't matter which letter)

plus thirteen would represent an addition to 13

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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
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Gala2k [10]

Answer:

ok so the probility of gettting one white fish is

13/23

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12/22

so we just multiply

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so the problity is 0.30 if you choose two fish you will get white for both

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boyakko [2]

-8, -7, 9

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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