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3 years ago

Based on the graph below, how would you describe the curve?

Mathematics

2 answers:

motikmotik3 years ago

8 0

Answer:

It's A.

Step-by-step explanation:

For every value of x there is one value of y - we can draw a vertical line through any value of x and it will pass through only one value of y.

Therefore it is a one-to-one function.

lukranit [14]3 years ago

7 0

Answer:

Option A

Step-by-step explanation:

The curve given is an increasing curve cutting x axis once and y axis once.

Any vertical line cuts only once the curve. Hence this is a function only.

We find that for every y in the range there is only one x corresponding to that.

Hence this curve is not a many to one curve. It is not linear because it is not a straight line. It is a function.

Hence only correct option is

a) The curve is a one to one function.

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48% of US adults have very little confidence in newspapers you randomly selected 10 US adults. Find the probability that the num

aivan3 [116]

Answer:

$P(x = 5) = 0.2441$

Step-by-step explanation:

Given

$p = 0.48$ --- proportion that have very little confidence

$n = 10$ --- sample

Required

Determine the probability that exactly 5 have very little confidence

This question will be solved using binomial probability:

$P(x) = ^nC_xp^x(1-p)^{n-x}$

In this case: x = 5.

So, we have:

$P(x = 5) = ^{10}C_5*0.48^5(1-0.48)^{10-5}$

$P(x = 5) = ^{10}C_5*0.48^5*0.52^5$

$P(x = 5) = 252*0.48^5*0.52^5$

$P(x = 5) = 0.2441$

7 0

2 years ago

If the point (x, square root 3/2) is on the unit circle, what is x?

photoshop1234 [79]

Answer:

$\frac{1}{2}$

Step-by-step explanation:

On a unit circle, the only points where y = $\frac{\sqrt{3} }{2}$ have an x coordinate of $\frac{1}{2}$ or $\frac{-1}{2}$ . Since only one of those is an option, the answer is $\frac{1}{2}$ .

5 0

3 years ago

Read 2 more answers

Sam is buying a pair of water skis that are on sale for 2/3 of the original price. After he uses a $25 gift certificate the tota

Alexus [3.1K]

Answer:

$210

Step-by-step explanation:

The first thing we can do is to add the $25 back on to the total cost.

25 + 115 = 140.

We do this because he Sam used a gift certificate on the ski's that are already 2/3 of the original price.

Now, to find the original price we can use this equation:

$\frac{2}{3} x = 140$

X represents the original price.

To solve this equation you would flip 2/3 to 3/2 and multiply that by 140, as seen below:

$(\frac{3}{2}) \frac{2}{3}x = 140 (\frac{3}{2})$

Now you can solve:

$x = \frac{420}{2} \\x = 210$

We can check this answer by multiplying 210 by 2/3

(210)(2/3) = 140

Remember, Sam used a gift certificate for $25

140 - 25 = $115

Therefore, the original price of the skis is $210.

<em>I hope this helps!!</em>

6 0

3 years ago

Please help!! this test will bring my grade up

Nutka1998 [239]

I believe it’s C not sure

8 0

2 years ago

Read 2 more answers

What is the explicit formula for this sequence? 5, 10, 20, 40 , 80, 160

8_murik_8 [283]

Answer:

Multiply by two. Formula could be x * 2

Step-by-step explanation:

4 0

2 years ago

Based on the graph below, how would you describe the curve?​

Based on the graph below, how would you describe the curve?