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3 years ago

Use the figure to find the radius.

Mathematics

1 answer:

BlackZzzverrR [31]3 years ago

3 0

The answer is 4 (four)

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Find the inverse f-1(x) for the given function f(x)=2x-5

skad [1K]

Answer:

Find the inverse f-1(x) for the given function f(x)=2x-5

Step-by-step explanation:

To find the inverse, interchange the variables and solve for y

f ^− 1 ( x ) = x /2 + 5/2

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3 years ago

What is the earned income credit (EIC)?

kkurt [141]

Answer:

Step-by-step explanation:

The United States federal earned income tax credit or earned income credit is a refundable tax credit for low- to moderate-income working individuals and couples, particularly those with children.

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3 years ago

Which linear inequality is represented by the graph?

Zina [86]

Answer:

Step-by-step explanation:

not 100% but if you go across 1 and up 2 you get to tje line

8 0

3 years ago

12.what is the probability that a boy and a girl chosen randsomly will be seniors?

zhenek [66]

$\frac{\textbf{1}}{\textbf{20}}$

Step-by-step explanation:

Probability= $\frac{\text{number of favourable outcomes}}{\text{total number of outcomes}}$

Probability for a randomly chosen girl to be senior= $\frac{\text{number of senior girls}}{\text{total number of girls}}$

Probability for a randomly chosen girl to be senior= $\frac{7}{8+11+9+7}=\frac{7}{35}=\frac{1}{5}$

Probability for a randomly chosen boy to be senior= $\frac{\text{number of senior boys}}{\text{total number of boys}}$

Probability for a randomly chosen girl to be senior= $\frac{9}{10+7+10+9}=\frac{9}{36}=\frac{1}{4}$

For two independent events,

Probability for both event 1 and event 2 to take place= $\text{probability of event 1} \times \text{probability of event 2}$

Since choosing boys and girls is independent,

Probability for both boy an girl chosen to be senior= $\text{probability for boy to be senior}\times\text{probability for girl to be senior}$

Probability for both boy and girl chosen to be senior= $\frac{1}{5} \times \frac{1}{4} = \frac{1}{20}$

So,required probability is $\frac{1}{20}$

3 0

3 years ago

Solve the system of equations:<br> y = 2x<br> y = x2 - 3<br> please help asap

skelet666 [1.2K]

Answer:

y=x squared-2x-3

Step-by-step explanation:

I hope this helps

7 0

3 years ago