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3 years ago

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

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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:

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

Graficar la cordenada (-4,3)​

Graficar la cordenada (-4,3)