The solution of an equation with two variables X and y is

Answers

Answer 1

Answer:

Answer:

The solution of an equation with two variables (x and y) is an ordered pair (x, y).

Step-by-step explanation:

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The graph shows the number of laps that Jan runs as her coach times her.What is the slope of the line and what does it mean in this situation?

The slope of the line is(blank)

This means that Jan runs(blank) laps every (blank)

Answers

Answer:

The slope of the line is 2. It means Jan runs 2 laps every minute.

Step-by-step explanation:

From the given graph it is noticed that the line passing through the points (2,4) and (5,10).

The slope of lines is

$m=(y_2-y_1)/(x_2-x_1)$

The slope of given line is

$m=(10-4)/(5-2)$

$m=(6)/(3)$

$m=2$

The slope of the line is 2.

In the given graph x axis represents the time in min and y-axis represents the laps run. The slope defines the number of laps in each minute.

The slope is 2, it means Jan runs 2 laps every minute.

the slope of the line is +2

this means that Jan runs 2 laps every 1 minute

A salesman sells cars with prices ranging from $5,000 to $45,000. the histogram shows the distribution of the numbers of cars he expects to sell over the next 10 years. how would the shape of the distribution change if the salesman decides to also deal in cars priced under $5,000 and in cars $45,000 to $50,000 and projects sales of 200 cars in each category?

a. the distribution will exhibit symmetry.

b. the distribution will exhibit a positive skew.

c. the distribution will exhibit a negative skew.

d. the distribution will uniform throughout.

Answers

In the given histogram, the shape of the histogram shows that the shape of the distribution exhibits symmetry (i.e. the shorter bars are to the left and to the right while the longer bars are in the middle). Adding the sales of cars priced under $5,000 and cars priced $45,000 to $50,000 with projected sales of 200 cars for each category will result in adding bars of the same size as the shortest bar to both ends of the histogram. This will not affect the initial shape of the distribution in the histogram as the distribution will still exhibit symmetry. Therefore, the correct answer to the question is "the distribution will exhibit symmetry" (option a).

What is the value of y2 – x4 when y = 9 and 2 =2?

Answers

Answer:

Not sure how the question goes.

Step-by-step explanation:

2Y - 4X

2(9) - 4(2) = 18 - 8 = 10

Y^2 - X^4

(9)^2 - (2)^4 = 81 - 16 = 65

y2-x4

to solve this u need to place the variables for the given value

y= 9

x=2

(9)2-(2)4

9 times 2 is 18

2 times 4 is 8

18-8=10

or if it is

y^2-x^4

9^2- (2)^4

9^2=81

2^4=16

81-16 = 65

Solve for x: |x|-8=-5

Answers

|x| - 8 = -5
+ 8 + 8
|x| = 3
x = ±3
x = 3 or x = -3

How many and what type of solutions?(1.) 2k^2 = 9 + 3k

no real solutions

one real solution

two rational solutions

two irrational solutions

Answers

Hello,

2k²-3k-9=0
==>k=3 or k=-3/2

Answer C two rational solutions.

Reflectional symmetry is the qualitya design has if it maintains all characteristics when it is rotated about:

A. an edge lying in its plane.
B. an axis lying in its plane.
C. a point lying in its plane.
D. an axis lying in its opposite plane.

Answers

The right answer for the question that is being asked and shown above is that: "D. an axis lying in its opposite plane." Reflectional symmetry is the quality a design has if it maintains all characteristics when it is rotated about D. an axis lying in its opposite plane.

Answer: c - a point lying on its plane

Step-by-step explanation:

i don’t know why i just know it’s right unless it’s not

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