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xxMikexx [17]
3 years ago
11

Don’t understand. Pls explain :)

Mathematics
1 answer:
sveta [45]3 years ago
8 0

Step-by-step explanation:

  1. put your finger on zero and move it to -1 then go up to positive 1 and put ur dot there.
  2. put ur finger on 0 again then go to -1 but now u move down to -2 and put ur dot there.
  3. now put ur finger on the zero and go to the opposite side to positive 2 then go down to -2 and put ur dot there. Hope that helps :)
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Help please!!!!!!!!!<br> A. (1, -2)<br> B. (1, 2)<br> C. (2, -1)<br> D. Infinite number of solutions
Maru [420]

Answer:

(1, -2)  Option A in your list of possible answers

See attached image.

Step-by-step explanation:

We need to graph the lines by using a couple of points on the plane for each equation.

For example:

the points (0, -3)  and (3, 0) for the line  y = x - 3

and the points (0, 1) and (-1, 4) for the line  y = - 3 x + 1

Please see the lines in the attached image, and notice that they intersect at the point (1, -2), which gives you the solution for the system.

4 0
2 years ago
Lucy is estimating the income levels of households in a specific zip code. She randomly calls 100 households and collects
Lorico [155]

The average income for the household that is surveyed should represent the sample data is not relevant.

The information that should be considered as follows:

  • The level of the income of the household represents the parameter of the population.
  • The total income for the household that is surveyed represents the statistics of the sample.
  • The household i.e. surveyed is relevant for the sample of the total population that lives in the zip code.

Therefore we can conclude that the average income for the household that is surveyed should represent the sample data is not relevant.

Learn more about the income here: brainly.com/question/14732695

7 0
2 years ago
What is the distance between (-8,5) and (4,9)
kogti [31]

Answer:

Use the distance formula to determine the distance between two points.

Exact Form:

4 √ 10

3 0
3 years ago
Read 2 more answers
The graph of the function f(x) = -(x+6)(x + 2) is shown
Leokris [45]

Answer:

The function is increasing for all real values of x where

x < –4.

Step-by-step explanation:

we have

f(x)=-(x+6)(x+2)

This is a vertical parabola open downward (the leading coefficient is negative)

The vertex (h,k) represent  a maximum

The roots of the function (or x-intercepts) are x=-6 and x=-2

The x-coordinate of the vertex is the midpoint of the roots

so

h=(-2-6)/2=-4

The y-coordinate of the vertex is

substitute the x-coordinate of the vertex in the quadratic equation

k=-(-4+6)(-4+2)

k=-(2)(-2)

k=4

The vertex is the point (-4,4)

The function is increasing in the interval (-∞,-4)

The function is decreasing in the interval (-4,∞)

6 0
3 years ago
Read 2 more answers
The Johnson family is taking a car trip. They are driving at an average speed of 60 miles per hour. The graph shows their distan
FromTheMoon [43]
Speed is given by the formula:
speed=distance/ time
this implies that when we rewrite the above formula for distance we shall have:
distance=speed*time
from our question:
speed=60 mph
time=3 1/2 hours=3.5 hours
thus
distance=60x3.5
=210 miles
the answer is 210 miles
7 0
3 years ago
Read 2 more answers
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