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ivann1987 [24]
1 year ago
11

Find the slope of the line that goes through the points (1,9) and (3,15) and

Mathematics
1 answer:
Allisa [31]1 year ago
7 0

Answer: B

Step-by-step explanation:

m=\frac{15-9}{3-1}=3

Substituting into y=3x+b,

9=3+b\\ \\ b=6 \implies y=3x+6

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AB is congruent to DE because segment DE was constructed so that DE = AB. BC is congruent to EF because segment EF was construct
Alex Ar [27]

DE = AB, EF = BC and AC = DF, hence triangle ABC is congruent to triangle DEF.

<h3>Congruent shape</h3>

Two shapes are said to be congruent if they have the same shape, all their corresponding angles and sides are congruent to one another.

Given that DE = AB and BC = EF.

In right triangle DEF, using Pythagoras:

DF² = DE² + EF²

Also, In right triangle ABC, using Pythagoras:

AC² = AB² + BC²

But DE = AB and EF = BC, hence:

AC² = DE² + EF²

AC² = DF²

Taking square root of both sides, hence:

AC = DF

Since DE = AB, EF = BC and AC = DF, hence triangle ABC is congruent to triangle DEF.

Find out more on Congruent shape at: brainly.com/question/11329400

6 0
2 years ago
yesterday the temperature was 7 degrees fahrenheit . Today the temperature is 0 degrees fahrenheit . What was the change in the
lawyer [7]

Answer:

-7

Step-by-step explanation:

HOPE THIS HELPS

7 0
2 years ago
What does the graph look like for y=-1/2 ×-2
Snezhnost [94]
My answer was deleted but ill post it again. it is a line plotted at the point (-2,-0.5) and the slope is down 1, right twice. this is a negative line.
6 0
3 years ago
Complete the equivalent equation for –7x – 60 = x2 + 10x.
saw5 [17]

Answer:

x= -5, -12

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
The fraction of skilled workers is 4/9 , unskilled workers 1/10 supervisors 2/7 and the rest are managers if the total number of
Darina [25.2K]
This is all percentages so...
4/9 = 44%
2/7 = 29%
1/10 = 10%
Total = 83%
So 17% of 630 is left over which = 107
5 0
2 years ago
Read 2 more answers
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