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antiseptic1488 [7]
3 years ago
10

How many planes can two distinct lines have in common?

Mathematics
2 answers:
Veronika [31]3 years ago
5 0
Two distinct lines can have 3 planes. Hope it helps!
saw5 [17]3 years ago
3 0
Three planes a distinct lines have in common

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5.b) If z^(1/2)=x^(1/2)+y^(1/2) , show that (x+y-z)^2=4xy
Rudik [331]

Answer:

Step-by-step explanation:

  • (x+y-z)²= 4xy
  • (x+y-z)²- 4xy = 0
  • (x+y-z)²-(2√x√y)² = 0
  • (x+y-z-2√x√y)(x+y-z+2√x√y) =0
  • [(√x-√y)²-z]*[(√x+√y)²-z]=0
  • (√x-√y)²-z = 0 or (√x+√y)²-z = 0

We have : z^(1/2)= x^(1/2)+y^(1/2) ⇒ √z = √x + √y ⇒ z = (√x + √y)²

  • so (√x+√y)²-z = 0

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3 0
2 years ago
Which value is equivalent to (7x5x2/7x3)^2 x (5^0/2^-3)^3 x2^-9?
koban [17]

Answer:

100/9

Step-by-step explanation:

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Solution:

We know that any number with power 0 = 1

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Now cancel out 2 by 2

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=(70/21)² * (1)³/(1^-3)³ * 1^-9

=(10/3)^2 * 1/1^-1 * 1/1^9

=100/9 *1 *1

=100/9....

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Yes do you need help?
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If tan q= 0.09 and q is in quadrant 3, find the approximate value of cos q.
shusha [124]

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Step-by-step explanation:

 

h=   1

k=   4

a=   2

5 0
3 years ago
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