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Luda [366]
2 years ago
11

Someone please hurry and help with these its ok if its wrong will do brainliest sorry its blurry but please try!!!!

Mathematics
2 answers:
Lana71 [14]2 years ago
8 0

Answer:

10) Neither

11) Parallel

12) Perpendicular

13) Parallel

14) Perpendicular

Step-by-step explanation:

10) The slopes are -2 and 1 respectively (since the co-efficient of x is the slope). Hence, they are neither perpendicular nor parallel.

11) The slopes are -1/2 and -1/2 respectively. Since both slopes are equal with different y-intercepts, they are parallel.

12) The slopes are 5 and -1/5 respectively. Since perpendicular slopes have a product of -1 and both of these have a product of -1, they are perpendicular. This can also be seen by plotting it on a graph.

13) x = 4 & x = 2 have a slope of infinite as they do not increase on the x-axis. Hence, they are parallel.

14) y = -2 and x = 5 intercept at a 90° angle (can be seen by plotting on a graph). Hence, they are perpendicular.

<em>Hope this helps and be sure to have a wonderful time ahead at Brainly! :D</em>

arlik [135]2 years ago
7 0

Step-by-step explanation:

the slope is always the factor of x.

it is expressed as ratio y/x indicating how many units y changes when x changes a certain amount of units.

parallel means they have the same slope (factor of x).

perpendicular (90 degrees) means x and y trade places upside-down, and the sign is flipped.

so,

10) neither. we have the slopes -2/1 and 1/1.

11) parallel. the slopes -1/2 and -1/2.

12) perpendicular. the slopes 5/1 and -1/5.

16) parallel. special case. all points that have x=4 and x=2. these are 2 vertical lines (parallel to the y-axis also known as x=0).

17) perpendicular. special cases. all points that have y=2 and all points that have x=5. this is one horizontal line and one vertical line, which makes them perpendicular.

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Can someone help me on this? I don’t need an explanation just the answers because I can work backwards. Thank you!
shutvik [7]

Answer:

a. t

b. a (or x = a)

c. r

d.

1) c

2) t

3) a

4) p

Step-by-step explanation:

a. Draw vertical line passing through the point (c,0). This line intersects the graph at point L. Point L has coordinates (c,t), so

f(c)=t

b. If f(z)=p, draw the horizontal line passing through the point (0,p). This line intersects the graph at point K with coordinates (a,p), so x=a.

c. Note that f(b)=0, then

z=0\\ \\f(z)=f(0)=r

d. Coordinates of point L are (c,t), coordinates of point K are (a,p)

4 0
3 years ago
Use complete sentences to describe the transformation that maps ABCD onto its image.
Lapatulllka [165]

General Idea:

When a point or figure on a coordinate plane is moved by sliding it to the right or left or up or down, the movement is called a translation.

Say a point P(x, y) moves up or down ' k ' units, then we can represent that transformation by adding or subtracting respectively 'k' unit to the y-coordinate of the point P.

In the same way if P(x, y) moves right or left ' h ' units, then we can represent that transformation by adding or subtracting respectively 'h' units to the x-coordinate.

P(x, y) becomes P'(x\pm h, y\pm k). We need to use ' + ' sign for 'up' or 'right' translation and use ' - ' sign for ' down' or 'left' translation.

Applying the concept:

The point A of Pre-image is (0, 0). And the point A' of image after translation is (5, 2). We can notice that all the points from the pre-image moves 'UP' 2 units and 'RIGHT' 5 units.

Conclusion:

The transformation that maps ABCD onto its image is translation given by (x + 5, y + 2),

In other words, we can say ABCD is translated 5 units RIGHT and 2 units UP to get to A'B'C'D'.

6 0
3 years ago
A line has a slope of -7 and a y-intercept of 3. What is its equation in slope-intercept form?​
katovenus [111]

Answer:

y=-7+3

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Determine the net pay if gross pay was $546.54 and the following deductions were taken out. Federal tax $66.00, state tax
kirill115 [55]

Answer:

416.87, you subtract all from gross pay.

Step-by-step explanation:

546.54-66-21.86-33.89-7.92=416.87

3 0
2 years ago
Nandini makes 'halwa' one evening and divides it into four equal portions for her family of four. However, just as they are abou
wel

Answer:

5%

Step-by-step explanation:

Total 'halwa' made = 1

Divided into four equal portion = 1/4

Arrival of an unexpected guest = 1/5

By what percentage has each family member's share been reduced:

Change in the sharing proportion:

Previous share ratio - new sharing ratio

(1/4 - 1/5) = (5 - 4) / 20 = 1/20

That means total reduction in the sharing = 1/ 20

Since each member comes contributed equally:

Reduction in each family member's share ;

(1 / 20) ÷ 4

(1 / 20) * 1/4 = 1/ 80

Percentage reduction:

(Reduction / original share) * 100%

[(1/80) ÷ (1/4)] * 100

(1/80 * 4/1) * 100%

(1/20) * 100%

= 5%

Reduction in each family members share = 5%

3 0
3 years ago
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