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dybincka [34]
3 years ago
15

In this diagram is AB parallel to ED? Explain

Mathematics
1 answer:
alisha [4.7K]3 years ago
3 0

AB is not parallel to ED because if it were, it would have little arrows to indicate it. Also the measure of angle A is not 60 degrees it would be 140 degrees since angle B and C are 20.

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X y
Allushta [10]

Answer:

D)\ \{3,-1\}

Step-by-step explanation:

Image of x=0 is y=3

Image of x=2 is y=-1

Hence \{0,2\} corresponds to \{3,-1\}

3 0
3 years ago
Identify which of the following is not equivalent to 2 3/4.
mezya [45]

The figure that is not equivalent to 2¾ is 2¼ × 2½. That is option B.

<h3>Simplification of equivalent fractions</h3>

Simplification is a process that is used to make a fraction appear in its simplest forms.

The fraction given is = 2¾

The simplification of the fraction= 2^3/4 = 2

But simplification of 2¼ × 2½ is equal to;

2¼= 0.5

2½= 1

Therefore 2¾ is not equivalent to 2¼ × 2½ when simplified.

Learn more about fraction here:

brainly.com/question/78672

#SPJ

6 0
2 years ago
What is the prime factorization of 28
SVETLANKA909090 [29]
28|2\\14|2\\.\ 7|7\\.\ 1|\\\\28=2\times2\times7=2^2\times7
5 0
3 years ago
Read 2 more answers
If 2/5 of students are boys. Find the percentage of the girls.<br> please help me
jonny [76]

Answer:

60

Step-by-step explanation:

First divide 2by 5 and multiply the answer by 100. Then subtract the answer by 100

4 0
3 years ago
A grocery store recently changed their apple supplying vendor. The vendor told the store manager that the mean weight for each a
yarga [219]

Answer:

b) 0.0042495

c) 0.048021

Hence, the probability of the mean weight that the 10 apples exceeds 8.2 ounces of this customer wil be higher than the last customer in part b because the number of random samples in part b is greater that that in part c

Step-by-step explanation:

mean of 7.5 ounces and a standard deviation of 1.33 ounce

When random number of samples are given, we solve using z score with the formula

= z = (x-μ)/σ/√n, where

x is the raw score

μ is the population mean

σ is the population standard deviation.

n is the random number of samples

(a) One customer comes to this grocery store and randomly picks 25 apples. What is the mean and standard deviation of the distribution of the mean weight for 25 apples?

(b) What is the probability that the mean weight of 25 apples exceeds 8.2 ounces?

x > 8.2 ounces

= z = (x - μ)/σ/√n

z = (8.2 - 7.5)/1.33/√25

z = (8.2 - 7.5)/1.33/5

z = 2.63158

Probability value from Z-Table:

P(x<8.2) = 0.99575

P(x>8.2) = 1 - P(x<8.2) = 0.0042495

(c) Another customer randomly picks 10 apples. Will the probability of the mean weight that the 10 apples exceeds 8.2 ounces of this customer be higher than the last customer in part b?

For n= 10

x > 8.2 ounces

= z = (x - μ)/σ/√n

z = (8.2 - 7.5)/1.33/√10

z = 1.66436

Probability value from Z-Table:

P(x<8.2) = 0.95198

P(x>8.2) = 1 - P(x<8.2) = 0.048021

Hence, the probability of the mean weight that the 10 apples exceeds 8.2 ounces of this customer wil be higher than the last customer in part b because the number of random samples in part b is greater that that in part c

4 0
3 years ago
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