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Debora [2.8K]
3 years ago
8

Look at the proof. Name the postulate you would use to prove the two triangles are congruent.

Mathematics
1 answer:
Georgia [21]3 years ago
8 0
Congruency is made up of two factors:
1) they possess the same angles
2) they possess the same side lengths, pertaining to each angle.
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Find the value of x.
umka2103 [35]
104-20=84 then square root it and u get 9.165 I think I did it right lol
4 0
3 years ago
EXPONENTIAL FUNCTIONS HELP Write the function for each graph described below. the graph of f(x) = 2x reflected across the x-axis
raketka [301]

Answer:

  • -2^x
  • (1/3)^x +5
  • 3^(x +2) -3
  • (1/2)^x -2
  • 4^(x/3)
  • 2^(x -3) +4

Step-by-step explanation:

In general, the transformation ...

  g(x) = f(x -h) +k

translates f(x) right h units and up k units.

The transformation ...

  g(x) = f(x/a)

stretches the graph horizontally by a factor of "a".

The transformation ...

  g(x) = -f(x)

causes the graph to be reflected over the x-axis.

___

Applying the above, we have ...

f(x) = 2^x reflected over x is g(x) = -2^x

f(x) = (1/3)^x translated up 5 is g(x) = (1/3)^x +5

f(x) = 3^x translated by (-2, -3) is g(x) = 3^(x +2) -3

f(x) = (1/2)^x translated down 2 is g(x) = (1/2)^x -2

f(x) = 4^x stretched horizontally by a factor of 3 is g(x) = 4^(x/3)

f(x) = 2^x translated by (3, 4) is g(x) = 2^(x -3) +4

7 0
3 years ago
Will mark brainliest if correct
lord [1]

Answer:

mean =  \frac{9 + 4 + 4 + 1 + 0 + 6 + 4}{7}  =  \frac{28}{7}  = 4

mean \: deviation =  \frac{ |9 - 4| +  |4 - 4|  +  |4 - 4|   +  |1 - 4| +  |0 - 4| +  |6 - 4|   + |4 - 4| }{7}  =  \frac{5  + 0 + 0 + 3 + 4 + 2 + 0}{7}  =  \frac{14}{2}  = 7

8 0
4 years ago
Maaattttthhhhh , i need help
faltersainse [42]
The answer should be D. 10.

Substitute x for the number 3 in the first equation.

f(x)=2(3)+1, then solve to get x=7

Substitute 7 for x in the second equation

g(x)=(3(7)-1)/2
g=(21-1)/2
g=(20)/2
g=10
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5 0
3 years ago
there were 84 people on the train 43 people got out then 61 people went on the train and 22 people got off the train.how many pe
vladimir1956 [14]

Answer:80 people are left on the train.


Step-by-step explanation:There was 84 people but then 43 left so you subtract 84-43 which equals 41. 61 people got in so you add 41+61 which equals 102.Then 22 get off ao you subtract 102-22 which equals 80.


8 0
3 years ago
Read 2 more answers
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