3 years ago

Which is the graph of F(x)= sqrt 4x

Mathematics

2 answers:

jekas [21]3 years ago

8 0

The graph of f(x) = sqrt(4x) looks like this

So choose the one that looks like the image attached

iogann1982 [59]3 years ago

3 0

Answer:

Mejdkdkcidjdj

Step-by-step explanation:jdndj

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RSM wants to send four of its 18 Math Challenge teachers to a conference. How many combinations of four teachers include exactly

tatiyna

Answer:

1120 combinations of four teachers include exactly one of either Mrs. Vera or Mr. Jan.

Step-by-step explanation:

The order in which the teachers are chosen is not important, which means that the combinations formula is used to solve this question.

Combinations formula:

$C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

In this question:

1 from a set of 2(Either Mrs. Vera or Mr. Jan).

3 from a set of 18 - 2 = 16. So

$C_{2,1}C_{16,3} = \frac{2!}{1!1!} \times \frac{16!}{3!13!} = 1120$

1120 combinations of four teachers include exactly one of either Mrs. Vera or Mr. Jan.

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3 years ago

What is -10=k+6 please show work thank you

Tresset [83]

Answer:

k=-16

Step-by-step explanation:

-10=k+6

subtract 6 both both sides to isolate the variable

-16=k

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3 years ago

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In which step did fioana make an error

sladkih [1.3K]

What are the steps? Is there a photo?

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3 years ago

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Solve for X. Please!!

pychu [463]

Answer:

x = 37.5

Step-by-step explanation:

By Basic Proportionality Theorem:

$\frac{x}{20} = \frac{46 - 16}{16} \\ \\ \frac{x}{20} = \frac{30}{16} \\ \\ x = \frac{20 \times 30}{16} \\ \\ x = \frac{600}{16} \\ \\ x = 37.5$

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2 years ago

A square has an area of square inch what is <img src="https://tex.z-dn.net/?f=18x%5E%7B2%7D" id="TexFormula1" title="18x^{2}" al

natima [27]

Answer:

18x

Step-by-step explanation:

18x times 18x

so the side is 18x because it was squared

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2 years ago