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Stels [109]
3 years ago
12

Which one of the following proportions is true for the segments shown in the figure if lines a, b, and c are parallel to each ot

her?
Mathematics
1 answer:
Sever21 [200]3 years ago
8 0
<span>choice B 
B. CE/CA = BD/DC </span>
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Pease help, thank you
andreyandreev [35.5K]

Answer: -2

=====================================================

Draw a vertical line through 4 on the x axis. This vertical line crosses the parabola at some point (which we'll call point A). Draw a horizontal line from point A to the y axis and note how it lands on y = 12. Therefore the point (4,12) is on this parabola.

Repeat the same steps as before to find that (8,4) is also on the parabola

We need to find the slope of the line through (4,12) and (8,4)

m = (y2 - y1)/(x2 - x1)

m = (4-12)/(8 - 4)

m = -8/4

m = -2

The slope of this line is -2 meaning that the average rate of change from x = 4 to x = 8 is -2.

The line goes down 2 units each time you move to the right 1 unit.

6 0
3 years ago
Celia filled the glasses shown below completely with water. The total amount of water that Celia poured into the glasses is 80 c
bagirrra123 [75]
The height of glass 1 is 7.6
so, you find the volume of glass 2,= 26.376
then you subtract the answer from 80 cubic cm to get the volume of glass 1
                           80 - 26.376 = 53.694
then you work backwards to get the height, which is 7.6
7 0
3 years ago
Read 2 more answers
7y means
olga55 [171]
Answer:

C

Explanation:

When a number is connected to a variable, (letter) you are multiplying them.
7 0
2 years ago
A construction crew has just finished building a road. the road is 8 kilometers long. if the crew worked for 335 days, how many
elena-s [515]
8/335 km/day
hope this helps
7 0
3 years ago
Can someone please help? i’ll mark brainliest!!
Liono4ka [1.6K]

Answer:

z+5 z+2 Z i think

Step-by-step explanation:

the lenght is longer to shorter

7 0
2 years ago
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