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3 years ago

What is the graph of y = |x - 2|?

Mathematics

1 answer:

Margaret [11]3 years ago

6 0

Answer:

Step-by-step explanation:

Graphing y = (x - h)2 + k

In the graph of y = x2, the point (0, 0) is called the vertex. The vertex is the minimum point in a parabola that opens upward. In a parabola that opens downward, the vertex is the maximum point.

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If the standard deviation of a normally distributed population is 22.0 and we take a sample of size 4 then the standard error is

lawyer [7]

Answer:

The standard error is 11.

Step-by-step explanation:

Given : If the standard deviation of a normally distributed population is 22.0 and we take a sample of size 4.

To find : The standard error ?

Solution :

The standard error formula is

$SE=\frac{\sigma}{\sqrt{n}}$

Where, $\sigma=22$ is the standard deviation of a normally distributed population

n=4 is the sample size

Substitute the value,

$SE=\frac{22}{\sqrt{4}}$

$SE=\frac{22}{2}$

$SE=11$

Therefore, the standard error is 11.

7 0

4 years ago

PLEASE HELP QUESTION ATTACHED

Temka [501]

6(times the larger number, y) = (the smaller number, x) +18

6y=x+18

(2 times the larger number) - (the smaller number) = 6
2y-x=6

4 0

3 years ago

Select the correct answer.

lions [1.4K]

Answer:

the answer is C - no association

7 0

3 years ago

Read 2 more answers

Leo takes 15 minutes to cycle to school at an average speed of 12 km/h. What speed will he have if he only takes 12 minutes?

never [62]

Answer:

15 km/h

Step-by-step explanation:

Leo takes 15 minutes to cycle to school at an average speed of 12 km/h. What speed will he have if he only takes 12 minutes?

15 minutes * (1 hour)/(60 minutes) = 0.25 hour

speed = distance/time

distance = speed * time

distance = 12 km/h * 0.25 hour = 3 km

He cycles a distance of 3 km.

12 minutes * (1 hour)/(60 minutes) = 0.2 hour

speed = distance/time

speed = 3 km/(0.2 hour)

speed = 15 km/h

5 0

4 years ago

2. Currently, Yamir is twice as old as Pato. In three years, the sum of their ages will be 30. If Pato's current age

lianna [129]

Given:

Yamir is twice as old as Pato.

In three years, the sum of their ages will be 30.

Pato's current age is represented by $a$ .

To find:

The equation that could be used to correctly solve for $a$ .

Solution:

We know that, Pato's current age is represented by a, then

Yamir's age = $2a$

After three years,

Pato's age = $a+3$

Yamir's age = $2a+3$

In three years, the sum of their ages will be 30.

$(a+3)+(2a+3)=30$

$(a+2a)+(3+3)=30$

$a+2a+6=30$

Therefore, the correct option is 2.

6 0

3 years ago