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VMariaS [17]
4 years ago
13

HELP HELP HELP HELP f(x)=3x-7 what is the domain and range?!?!?!

Mathematics
1 answer:
kirill115 [55]4 years ago
5 0

Answer:

the domain is x and the range is the answer

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What are all the refernce angles to pi/6
kaheart [24]

Construction of the angle pi/6=30 degrees produces a 30-60-90 triangle, which has angles  theta=pi/6 and 2theta=pi/3.

Step-by-step explanation:

7 0
4 years ago
The standard deviation of quiz scores is 5.6. Describe the quiz scores
Lyrx [107]

We have been given a table of quiz scores whose standard deviation is 5.6. We are asked to find the test scores that are within one standard deviation of the mean.

First of all, we will find the mean of the test scores using average formula.

\text{Average}=\frac{\text{Sum of data points}}{\text{Number of data points}}

\text{Average}=\frac{25+13+16+30+27+22+19+22+15+28+27+29}{12}

\text{Average}=\frac{273}{12}

\text{Average}=22.75

The scores within one standard deviation would be mean plus one SD and mean minus one SD that is:

22.75-5.6\text{ and } 22.75+5.6

17.15\text{ and } 28.35

Therefore, the quiz scores 17.15 and 28.35 are within one standard deviation of the mean.

7 0
4 years ago
Graph y = (x - 1) 2 + 2. Click on the graph until the graph of y = (x - 1) 2 + 2 appears.
strojnjashka [21]
The vertex at (1,2) and from there use this to make the graph.

over 1, up 1. over 2 up 4, over 3 up 9. and if you know its right side, you know its left side too.
6 0
3 years ago
Read 2 more answers
This Venn diagram shows the pizza topping preferences for 9 students. Let event A = The student likes pepperoni. Let event B = T
victus00 [196]

Answer:

P(A\ or\ B)=\frac{7}{9}

Step-by-step explanation:

We need to use the formula to calculate the probability of (A or B) where  

A=Probability a student likes pepperoni

B=Probability a student likes olive

A and B =Probability a student likes both toppings in a pizza

A or B =Probability a student likes pepperoni or olive (and maybe both), a non-exclusive or

The formula is

P(A\ or\ B)=P(A)+P(B)-P(A\ and\ B)

Since 6 students like pepperoni out of 9:

P(A) = \frac{6}{9}

Since 4 students like olive out of 9:

P(B) = \frac{4}{9}

Since 3 students like both toppings out of 9

P(A\ and\ B) = \frac{3}{9}

Then we have

P(A\ or\ B)=\frac{6}{9}+\frac{4}{9}-\frac{3}{9}

P(A\ or\ B)=\frac{7}{9}

7 0
3 years ago
The side length of an isosceles right triangle is 7x + 3 feet. (both base and height are 7x + 3 feet).
tangare [24]

Answer:

21

Step-by-step explanation:

because they all sum up together

4 0
3 years ago
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