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Ivahew [28]
3 years ago
13

Which set of ordered pairs does not represent a function? A. {(10, 1), (–2, –16), (–6, 7), (5, 1), (8, –16), (–11, 9)} B. {(–2,

–6), (–8, 13), (–7, –4), (–2, –8), (11, 8)} C. {(15, –3), (–6, 4), (–3, 0), (–1, 16)} D. {(6, 2), (–12, –16), (–6, 10), (20, 2)}
Mathematics
1 answer:
Gnoma [55]3 years ago
4 0

Answer:

B. {(–2, –6), (–8, 13), (–7, –4), (–2, –8), (11, 8)}

Step-by-step explanation:

A set of ordered pairs represents a function if for each input, there is only one output.

In this question:

In option B, for the input -2, there are two outputs(-6 and -8). This means that B is the correct answer.

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A six-faced die is rolled .
STatiana [176]

Answer:

[A] 2/6

[B] 1/2

Step-by-step explanation:

Given:

A six-faced die is rolled .

To Find:

Find the probability of it landing on a value more than 4

Find the probability of it landing on an even number

Part A:

Knowing that a six-faced die has six number on it (1,2,3,4,5,6)

Thus, the probability of it landing on an value more than 4 is 2/6.

Because 5 and 6 is more than 4

Part B:

1,3,5 = Odd

2,4,6 = Even

Thus, the probability of it landing on an even number is 3/6 Simplify 1/2 . Which also is 50%.

<em>~Lenvy~</em>

8 0
2 years ago
A distribution has a mean of 90 and a standard deviation of 15. Samples of size 25 are drawn randomly from the population. Find
raketka [301]

Answer:

The probability is 0.04746

Step-by-step explanation:

Firstly, we calculate the z-score here

Mathematically;

z-score = x-mean/SD/√n

Where from the question;

x = 85, mean = 90 , SD = 15 and n = 25

Plugging these values into the equation, we have;

Z = (85-90)/15/√25 = -5/15/5 = -1.67

So the probability we want to calculate is ;

P(z > -1.67)

We use the standard normal distribution table for this;

P(z > -1.67) = 0.04746

4 0
3 years ago
What is the volume of a cylinder with a diameter of 14 cm and a height of 4 cm.
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Radius= 7cm
Base area= 49pi
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8 0
3 years ago
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3 years ago
Factor the following.
Verizon [17]
The answer is D (y+10)(y-6) 
because 


6 0
3 years ago
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