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Travka [436]
3 years ago
12

Graficar la cordenada (-4,3)​

Mathematics
1 answer:
Kamila [148]3 years ago
7 0
(-4,3) graficado………….

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I need help on this plz
Assoli18 [71]
I think it’s a had it before
4 0
3 years ago
Read 2 more answers
If the sales tax in Alabama is 4 percent and a $20.00 purchase is made. What is the sales price? What is the total purchase pric
mihalych1998 [28]
Hello there! So first off, let's find the tax. In order to find the tax of an item, all you have to do is multiply the price by the percentage, because the tax is the portion of the price. The tax is 4%. Let's solve. 20 * 4% (0.04) is 0.8. The tax is $0.80. Let's add that to the purchase price. 20 + 0.80 is 20.80. That's the total purchase price. Here are the answers easier to read.

Sales tax: $0.80
Total price: $20.80
8 0
3 years ago
Assume that it is true that people can not tell the difference between Coke and Pepsi. If a sample of 15 people participated in
pantera1 [17]

Answer:

No

Step-by-step explanation:

For each person, there are only two possible outcomes. Either they can tell the difference between Coke and pepsi, or they cannot. The probability that a person has o telling the difference between Coke and pepsi is independent from each other. So we use the binomial probability distribution to solve this problem.

Binomial probability distribution

Probability of exactly x sucesses on n repeated trials, with p probability.

Can be approximated to the normal distribution if

np \geq 10

and

n(1-p)\geq 10

In this problem, we have that:

n = 15

First condition

np \geq 10

15p \geq 10

p \geq \frac{10}{15}

p \geq \frac{2}{3}

Second condition

n(1-p) \geq 10

15(1-p) \geq 10

15 - 15p \geq 10

-15p \geq -5

Multiplying by -1

15p \leq 5

p \leq \frac{1}{3}

p cannot be at the at the same time greather than 2/3 and lesser than 1/3. So we cannot assume  that the sampling distribution of the proportion of people that correctly chose Pepsi is normal.

8 0
4 years ago
How are the side-splitter theorem and the angle bisector theorem similar?
mart [117]
The side-splitter theorem is basically bisecting a side of a shape.
5 0
3 years ago
Circle A and circle B are similar. A. What is the similarity ratio of circle A to circle B? B. What is the circumference of each
stellarik [79]

Answer: A) 5/2

B) 10pi for A and 4pi for B

C) 5/2

Step-by-step explanation:

Please find the attached file for the solution

3 0
3 years ago
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