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qaws [65]
4 years ago
8

please help. i dont understand this lesson at all, can someone try explaining for me and tell me the answer with steps? that wou

ld be so helpful! <3 i will give brainliest too!

Mathematics
1 answer:
trasher [3.6K]4 years ago
6 0

Answer:

1) left, up, (-5,1), 2

2) 2, 3, (2,3), 4

3) I've attached a picture

4) I've attached a picture

5) An xy-graph consists of two perpendicular number lines that intersect where they are both equal to 0. The horizontal number line is called the x-axis of the graph, and the vertical number line is called the y-axis of the graph. The space between each tick mark on each of the number lines is called the scale of that axis of the graph. (this question is kind of odd and very generalized so if you think I'm wrong check back on your textbook/notes).

6) I've attached a picture

7) I've attached a picture

8) An x-y graph consists of 2 axis. The horizontal one, is called the x-axis and the vertical one is called the y-axis. A marked point on the x-axis is called an x-coordinate and a marked point on the y-axis is called a y-coordinate. The value of those is determined by their distance from the origin which is at (0,0) where the two axis meet. If we draw perpendicular lines that start from these points and extend them, the point on which they meet, gives us a POINT on the x-y graph.

Step-by-step explanation:

In order to understand these excercises you have to solve more similar to these problems.

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On a coordinate plane, line P Q goes through (negative 6, 4) and (4, negative 4). Point R On a coordinate plane, a line goes thr
Nitella [24]

Answer:

x + 2y = 8.

Step-by-step explanation:

Line goes through (-4, 0) and (4, -4).

The slope is (-4 - 0) / (4 - -4) = -4 / (4 + 4) = -4 / 8 = -1/2.

Since we are looking for the equation of the line parallel to that line, the slope will be the same.

We have an equation of y = -1/2x + b. We have a point at (2, 3). We can then say that y = 3 when x = 2.

3 = (-1/2) * 2 + b

b - 1 = 3

b = 4.

So, we have y = -1/2x + 4.

1/2x + y = 4

x + 2y = 8.

Hope this helps!

8 0
4 years ago
Read 2 more answers
HELP IS THIS correct??? !!!
Allushta [10]

Answer:

No

Step-by-step explanation:

                                            x           y

y = - 3(-2) + 1 =  7                -2        7        

y = -3(0) +1 = 1                      0         1

y = -3(1) + 1 = -2                    1          -2

y = -3(3) + 1 = -8                   3      -8

8 0
3 years ago
8. What are the solutions of the inequality?<br> -5(2x + 2) 2-10x - 17
Elis [28]
Answer is -20x–25

Distribute the -5 to 2x+2 to get -10x-10
Combine like terms, -17-10=-27
-27+2=-25
-10x-10x = -20x
-20x-25 is your answer
4 0
4 years ago
An antenna stands on top of a 160 ft. building. From a point on the ground 118 ft. from the base of the building, the angle of e
uysha [10]

Answer: the height of the antenna is 21

Step-by-step explanation:

The diagram illustrating the scenario is shown in the attached photo. A right angle triangle ABC is formed.

Let x represent the height of the antenna. Therefore, the height of the building and the antenna would be (160 + x) feet

We would determine (160 + x) feet by applying the tangent trigonometric ratio which is expressed as

Tan θ = opposite side/adjacent side

Therefore

Tan 58 = (160 + x)/118

160 + x = 118tan58

160 + x = 118 × 1.6003

160 + x = 188.8354

x = 188.8354 - 160

x = 20.8354

Approximately 21 feet

6 0
4 years ago
1.Alice drink 8 glasses of water and 3 glasses of milk everydey.how many glasses of water and milk does she drink in a week?
jasenka [17]

Answer:

1- (Alice drink 8 glasses of water and 3 glasses of milk everydey.how many glasses of water and milk does she drink in a week?)

There is 7 days a week so-

8×7=56

3×7= 21

56+21= 87

87 glasses of water and milk in a week

2- (john can read 467 words per minute.how many words can he read in 55 minutes?)

467×55=25685

John can read 25685 words in 55 minutes

3 0
3 years ago
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