Pleaseee help

20 POINTS<br><br> Which of the following tables does NOT represent a function?

pashok25 [27]

Answer:

C.

Step-by-step explanation:

In a function, one x-value must have just one y-value assigned to it. So in short, C is the only table that does not represent a function because it has two values of Y (-3, and -1) for one value of x (1).

7 0

2 years ago

A lumber company is making doors that are 2058.0 millimeters tall. If the doors are too long they must be trimmed, and if the do

wariber [46]

Answer:

There is not enough evidence to support the claim that the doors are either too long or too short.

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = 2058.0 millimeters

Sample mean, $\bar{x}$ = 2047.0 millimeters

Sample size, n = 17

Alpha, α = 0.10

Sample standard deviation, s = 27

First, we design the null and the alternate hypothesis

$H_{0}: \mu = 2058.0\text{ millimeter}\\H_A: \mu \neq 2058.0\text{ millimeter}$

We use Two-tailed t test to perform this hypothesis.

Formula:

$t_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{s}{\sqrt{n}} }$

Putting all the values, we have

$t_{stat} = \displaystyle\frac{ 2047.0 - 2058.0}{\frac{27}{\sqrt{17}} } = -1.6798$

Now, $t_{critical} \text{ at 0.10 level of significance, 16 degree of freedom } = \pm 1.7396$

Since, the calculated t statistic lies in the acceptance region, we fail to reject the null hypothesis and accept the null hypothesis.

Thus, there is not enough evidence to support the claim that the doors are either too long or too short.

5 0

4 years ago

It cost Nike $55 to make the kyrie 5 but it is selling for $130.19 calculate the markup percent increase for the shoe.

iren2701 [21]

Answer:

136.71% increase

Step-by-step explanation:

To find the raw increase in dollars of the shoe: 130.19 - 55 =75.19

Now, to find what percent $75.19 is of the original production cost, $55,

(75.19/55) * 100 = 136.71

link: https://brainly.in/question/12369647

6 0

3 years ago

Determine if graph is a function

Zepler [3.9K]

No it is not a function.

8 0

3 years ago

The following pairs of equations are equivalent. Describe the operation that occurred in the second equation. 3+9=12 and 3+9-5=1

elena55 [62]

Answer:

See explanation

Step-by-step explanation:

A. Given the equation

$3+9=12$

Using the subtraction property of equality (subtracting 5 from both sides of equation), we'll get an equivalent equation

$3+9-5=12-5$

B. Given the equation

$x-4=7$

Using the addtion property of equality (adding 4 to both sides of equation), we'll get an equivalent equation

$x-4+4=7+4$

C. Given the equation

$2(6)=12$

Using the division property of equality (dividing both sides of equation by 2), we'll get an equivalent equation

$\dfrac{2(6)}{2}=\dfrac{12}{2}$

D. Given the equation

$\dfrac{x}{2}=5$

Using the multiplication property of equality (multiplying both sides of equation by 2), we'll get an equivalent equation

$2\cdot \dfrac{x}{2}=2\cdot 5$

8 0

3 years ago