Answer:
y² - (K- 2)y + 2k +1 = 0
equal roots means D=0
D= b^2 - 4ac
a=1, b= (k-2), c= 2k+1
so,
(k-2)^2 - 4(1)(2k+1) = 0
=> k^2 +4 - 8k -4 = 0
=> k^2 -8k = 0
=> k^2 = 8k
=> k= 8k/k
=> k = 8
Therefore the answer is k= 8
Hope it helps........
Answer:
1 3/8
Step-by-step explanation:
1/4 of a pizza cut into 8ths will give you 2 slices of pizza. if she ate 3 more slices of pizza on saturday, in all that gives you 5 out of 8 slices of pizza. 8-5 is 3. She still has a pizza left over so she has 1 and 3/8slices of pizza left
Answer:
30
Step-by-step explanation:
The sum of all the angles in a triangle is always, always, 180 degrees.
Just add the angles, then solve for x.
(2x - 10) + (x + 30) + 70 = 180
3x + 20 + 70 = 180
3x + 90 = 180
3x = 90
x = 30
Answer:
PQ = ST
Step-by-step explanation:
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