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Afina-wow [57]
2 years ago
12

Which is NOT a function? A y – x = 6 B y = 2x C x = -2 D y + x = 12

Mathematics
2 answers:
Marta_Voda [28]2 years ago
6 0

Answer:

d

Step-by-step explanation:

Fantom [35]2 years ago
5 0

Answer:

D

Step-by-step explanation:

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PLEASE HELP, ASAP (PLEASE, I MEAN THAT AS NICE AS POSSIBLE) GEOMTRY BTW
Yuri [45]

The value of angle x is 127 degrees.

<h3>How to find angles?</h3>

The angle x can be found as follows:

Angle on a straight line is 180 degrees.

Therefore, the sum of 53 degrees and x degrees is 180 degrees.

Therefore,

53 + x = 180°(sum of angles on a straight line)

subtract 53 from both sides of the equation

53 - 53 + x = 180 - 53

x = 127°

Therefore, the angle of x is 127 degrees.

learn more on angles here: brainly.com/question/7153708

#SPJ1

7 0
1 year ago
Which statement best explains the value of 16-(-3)
Alja [10]

Answer: 48

Step-by-step explanation:

It is the negative of 16 times the negative of 3.

Not sure if this is the answer but I hope it helps!

3 0
3 years ago
Read 2 more answers
The country of benin in west Africa has a population of 9.05 million people. The population is growing at a rate of 3.1% each ye
Oksanka [162]
The function would be the initial plus growth rate * # years

So: f(x) = 9.05 + 0.031(7)
Where x= # years
3 0
2 years ago
The inside diameter of a randomly selected piston ring is a random variable with mean value 8 cm and standard deviation 0.03 cm.
S_A_V [24]

Answer:

a) P(7.99 ≤ X ≤ 8.01) = 0.8164

b) P(X ≥ 8.01) = 0.0475.

Step-by-step explanation:

To solve this question, we have to understand the normal probability distribution and the central limit theorem.

Normal probability distribution:

Problems of normally distributed samples can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

Central limit theorem:

The Central Limit Theorem estabilishes that, for a random variable X, with mean \mu and standard deviation \sigma, the sample means with size n can be approximated to a normal distribution with mean

In this problem, we have that:

\mu = 8, \sigma = 0.03

(a) Calculate P(7.99 ≤ X ≤ 8.01) when n = 16.

n = 16, so s = \frac{0.03}{4} = 0.0075

This probability is the pvalue of Z when X = 8.01 subtracted by the pvalue of Z when X = 7.99. So

X = 8.01

Z = \frac{X - \mu}{\sigma}

Applying the Central Limit Theorem

Z = \frac{X - \mu}{s}

Z = \frac{8.01 - 8}{0.0075}

Z = 1.33

Z = 1.33 has a pvalue of 0.9082

X = 7.99

Z = \frac{X - \mu}{s}

Z = \frac{7.99 - 8}{0.0075}

Z = -1.33

Z = -1.33 has a pvalue of 0.0918

0.9082 - 0.0918 = 0.8164

P(7.99 ≤ X ≤ 8.01) = 0.8164

(b) How likely is it that the sample mean diameter exceeds 8.01 when n = 25? P(X ≥ 8.01) =

n = 25, so s = \frac{0.03}{5} = 0.006

This is 1 subtracted by the pvalue of Z when X = 8.01. So

Z = \frac{X - \mu}{s}

Z = \frac{8.01 - 8}{0.006}

Z = 1.67

Z = 1.67 has a pvalue of 0.9525

1 - 0.9525 = 0.0475

P(X ≥ 8.01) = 0.0475.

4 0
3 years ago
What is 6+7 pleaes i ned help
IRISSAK [1]

Answer:

13

Step-by-step explanation:

you would count up 7 times from 6

8 0
3 years ago
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