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Afina-wow [57]
3 years ago
13

Can someone plz help me on this plz I beg u

Mathematics
1 answer:
dimulka [17.4K]3 years ago
3 0

Answer:

20

Step-by-step explanation:

Area of one trapezoid is 10 so double that is 20

i think thats the answer im not 100% sure but i hope this helps :)

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What is the equation of the line that passes through the points (−2, 1) and (1, 10)?
Viktor [21]

Answer:

3x - y = -7

Step-by-step explanation:

y = mx + b

m = deltay/deltax

m = (10 - 1)/[( 1 - (-2)]

m = 9/3 = 3

y = 3x + b

From (-2 | 1) we see that when x = -2, y = 1

Placing into the equation, in order to find b (y-intercept)

y = 3x + b

1 = 3(-2) + b

b = 7

y = 3x + 7 or 3x - y = -7

6 0
3 years ago
George walks to a friend's house. He walks 750 meters North, then realizes he walked too far. He turns around and walks 250 mete
Hunter-Best [27]

Answer:

The velocity in meter per seconds is 76.9m/s

Step-by-step explanation:

The total distance walked is 1000m

Velocity= distance/time

= 1000/13

= 76.9m/s

The speed and velocity is used interchangeably therefore the speed is also 76.9 m/s

8 0
3 years ago
2x + 9 = 23 solve by trial
Allisa [31]

Answer:

i tried it by trial and error, and my work is below.

Step-by-step explanation:

2x + 9 = 23

subtract 9 from both sides

2x = 14

guess.... lol

x=7

8 0
3 years ago
What is the solution of x-7= ir+14,
weqwewe [10]

Answer:

x=12

Step-by-step explanation:

put the x at one side and the numbers ar the other

5/2x-3/4x=14+7

10/4x-3/4x=21

7/4x=21

7x=84

x=12

3 0
3 years ago
Solve x 2 + 2x - 1 = 0
rjkz [21]

Answer:

x=-1/2

Step-by-step explanation:

hope this helps

7 0
2 years ago
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