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Ilia_Sergeevich [38]

3 years ago

7

Please help me with number 5 thank you so much

2 answers:

ella [17]3 years ago

5 0

The answer is 10 people. The way you know is because the surveyor asked the person for one answer, so if you results were 1, 0, ,10 ,7 ,13 ,2 ,9,15 ,0 and 3, then obviously only 10 people were asked because you have 10 answers.

OlgaM077 [116]3 years ago

5 0

10 because there is data from 10 people

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Solving radical equation

Darya [45]

$\bf \sqrt{k-9}-\sqrt{k}=-1\implies \sqrt{k-9}=\sqrt{k}-1\impliedby \textit{squaring both sides}
\\\\\\
(\sqrt{k-9})^2=(\sqrt{k}-1)^2\implies k-9=(\sqrt{k}-1)(\sqrt{k}-1)\impliedby \textit{FOIL}
\\\\\\
k-9=k-2\sqrt{k}+1\implies -10=-2\sqrt{k}\implies \cfrac{-10}{-2}=\sqrt{k}
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4 years ago

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Shtirlitz [24]

Step-by-step explanation:

Sorry its messy but if you cant understand tell me

8 0

3 years ago

Which of the following is an equivalent form of the compound inequality −22 > −5x − 7 ≥ −3? (1 point) Select one: a. −5x − 7

ziro4ka [17]

-22 > -5x - 7 > = -3

equivalent one is :
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3 0

3 years ago

Read 2 more answers

Which key features can you identify from the following equation? Provide enough information to describe the appearance and behav

qaws [65]

Given the function $f(x)=-6\sqrt{x-4}+8.$

1. The domain of the function (possible values for x) is:

$x-4\ge 0,\\ \\x\ge 4.$

2. The range of the function (possible values for y) is:

$y=f(x)\le 8.$

3. x-intercept is when y=0, then

$0=-6\sqrt{x-4}+8,\\ \\\sqrt{x-4}=\dfrac{8}{6}=\dfrac{4}{3},\\ \\x-4=\dfrac{16}{9},\\ \\x=4+\dfrac{16}{9}=\dfrac{52}{9}\approx 5.778.$

Therefore, x-intercept is at point $\left(5\frac{7}{9},0\right).$

4. There are no y-intercepts.

5. The graph of the function is decreasing (see attached diagram)

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4 years ago

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Aleksandr-060686 [28]

9514 1404 393

Answer:

m = 2k/v

Step-by-step explanation:

Identify the coefficient of m (v/2) and multiply by its inverse (2/v).

(2/v)k = (2/v)m(v/2) . . . . multiply both sides of the equation by 2/v

2k/v = m . . . simplify

m = 2k/v

3 0

3 years ago