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earnstyle [38]
3 years ago
6

Which of the following best describes the graph below?

Mathematics
2 answers:
Ksju [112]3 years ago
7 0
C.

No value of x has two values of y, thus it is a one-to-one function.
polet [3.4K]3 years ago
4 0
It is a one to one function
use vertical line test
no vertical line crosses 2 different x values

C
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How do you graph y=sin(7pi/2)?
aliina [53]
sin(\frac{7\pi}{2}) = -1\\y = sin(\frac{7\pi}{2})\\y = -1

I have attached the graph

7 0
3 years ago
Destiny designs necklaces she used between 15 and 20 yellow and blue beads in a ratio of 4 yellow beads to 5 blue beads drag the
julia-pushkina [17]
Hey! :)

Well, the ratio of yellow beads to blue beads is 4:5. The best way I think is to guess and check multiplying the ratio by integers. You need between 15 and 20.4 : 5 ( = 9 too little )8 : 10 ( = 18 just right)12 : 15 ( = 27 too much)So per necklace, 8 yellow beads and 10 blue beads would be needed.

Hope this helps! :)
3 0
3 years ago
Read 2 more answers
Helpppppp please!!??&/&8:(&
Oksi-84 [34.3K]

Answer:

14 square meters

Step-by-step explanation:

If you break the figure into two parts you get 3x2 and 2x4. Multiplying those will give you 6 and 8. Add 6 and 8 to get 14. Hope this helped! :D

3 0
3 years ago
A boiler has five identical relief valves. The probability that any particular valve will open on demand is 0.93. Assume indepen
noname [10]

Answer:

There is a 99.99998% probability that at least one valve opens.

Step-by-step explanation:

For each valve there are only two possible outcomes. Either it opens on demand, or it does not. This means that we use the binomial probability distribution to solve this problem.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

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

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

And p is the probability of X happening.

In this problem we have that:

n = 5, p = 0.93

Calculate P(at least one valve opens).

This is P(X \geq 1)

Either no valves open, or at least one does. The sum of the probabilities of these events is decimal 1. So:

P(X = 0) + P(X \geq 1) = 1

P(X \geq 1) = 1 - P(X = 0)

So

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 0) = C_{5,0}.(0.93)^{0}.(0.07)^{5} = 0.0000016807

Finally

P(X \geq 1) = 1 - P(X = 0) = 1 - 0.0000016807 = 0.9999983193

There is a 99.99998% probability that at least one valve opens.

5 0
2 years ago
Read 2 more answers
Type a digit that makes this statement true.<br> 48,49 ,867 is divisible by 9.<br> Submit
horrorfan [7]

Answer: 8

Step-by-step explanation:

48,498,867 divided by 9 = 5,388,763

7 0
2 years ago
Read 2 more answers
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