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nlexa [21]
2 years ago
13

Brainlist if you answer:)

Mathematics
1 answer:
kirza4 [7]2 years ago
5 0
A and c





step-by-step explanation
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What is the value of hin the figure below? In this diagram, ABAD ~ ACBD.
VashaNatasha [74]

Answer:

  F.  8

Step-by-step explanation:

The ratio of the long side to the short side is the same in similar triangles. The long side of triangle BAD is AD, which has length 20-4 = 16.

  BD/DE = AD/BD

  h/4 = 16/h

  h^2 = 64 . . . . . . . multiply by 4h

  h = 8 . . . . . . . . . . take the square root (matches selection F)

_____

<em>Comment on this geometry</em>

BD = √(AD·DC) is called the "geometric mean" of the segments AD and DC. This geometry has some other geometric mean relationships as well:

BC = √(AC·DC)

BA = √(AC·AD)

8 0
3 years ago
Write the slope-intercept form of the equation of each line​
qwelly [4]

Answer:

y = 2x - 5

Step-by-step explanation:

Slope = 2

y-intercept = - 5

3 0
2 years ago
Please solve these step-by-step!!
Ierofanga [76]

Answer:

For D. X= 3, or 0 but probably not 0

For the 2nd picture you sent,  x= -2, or -3

Step-by-step explanation:

So for D. you want to make sure you only have 1 Variable, and since we know y=x squared + 7x+5, we subsitute y for what it is equal to.

Then we refine the question, which takes it out to

x squared-3x+5=5 (because the 7x-10x = 3x)

We subtract 5 from both sides which leaves us with x Squared - 3x= 0

Which we then solve with the Quadratic formula. and we separate the solutions to get the different answers for 3, and 0

3 0
2 years ago
What is the percent of increase from 8 to 10?
IceJOKER [234]

Answer:

25%

Step-by-step explanation:

difference between 8 and 10 is 2, so 8 would need to increase by 2 to get to 10.

2 is 1/4 of 8, and 1/4 is 25%

answer is 25%

8 0
3 years ago
Read 2 more answers
When the event is 1/9, the complement of the event is
mamaluj [8]

Answer:

\frac{8}{9}

Step-by-step explanation:

Complement of the event

= 1 -  \frac{1}{9}  \\  =  \frac{9 - 1}{9}  \\  =  \frac{8}{9}  \\

8 0
3 years ago
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