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GuDViN [60]
3 years ago
8

If two point lie in the same plane, then a line containing the lies in the plane. Illustrate.

Mathematics
1 answer:
dlinn [17]3 years ago
4 0

Answer:

tom

Step-by-step explanation:

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You randomly choose a letter A, and do not replace it. Then, you choose another letter A. What is the probability that both lett
GarryVolchara [31]
You made the choice to choose the letter A, a second time.
3 0
3 years ago
(2x+3)²=5.find the roots of the equation ​
bija089 [108]

Answer:

-2.61803398875, -0.38196601125

or

(-3±√5)/2

Step-by-step explanation:

First, expand. (2x+3)² = 4x²+12x+9=5

4x²+12x+4 = 0

Quadratic equations take the form ax²+bx+c = 0

In this case,

a = 4

b = 12

c = 4

You can solve with the equation x=(-b±√b²-4ac)/2a

Plug in:

(-12±√144-64)/8

(-12±√80)/8

(-12±√2^4×5)/8

(-12±4√5)/8

(-3±√5)/2

Final answer x = (-3±√5)/2

If you want decimal form: -2.61803398875, -0.38196601125

4 0
2 years ago
PLEASE HELP ASAP!! RATIONAL EXPRESSION MULTIPLE CHOICE QUESTION!! PLS
Solnce55 [7]
The answer is: B

Hope this helped!
4 0
3 years ago
Evaluate x-2y when x=3,y=-3
adelina 88 [10]

Answer: 9

Step-by-step explanation:

3-2x-3

2x-3=-6

3--6=3+6=9

8 0
3 years ago
Read 2 more answers
How many kilograms of tin will be required to make 250 kg of an alloy, if the alloy must contain 81% copper, 14% tin and 5% lead
uysha [10]

Answer:

35

Step-by-step explanation:

all are obeying a constant ratio

  • copper 81
  • tin 14⇒?
  • lead 5
  • total 100 ⇒250
  • ?=250*14/100=35
5 0
3 years ago
Read 2 more answers
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