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allsm [11]
2 years ago
13

The equation f(x) = 2x²-x+ 4 has roots a and B.

Mathematics
1 answer:
AleksandrR [38]2 years ago
8 0

Answer:

(a-1)²(b-1)²=a²b²+a²-b²+1²=(ab)²+(a-b)²+ 1

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Prove that the square of an odd number is always 1 more than a multiple of 4
loris [4]

Answer:

By these examples you are able to see that the square of an odd number is always 1 more than a multiple of 4.

Step-by-step explanation:

For examples,

Let's consider squares of 3, 11, 25, 37 and 131.

{3}^{2}  = 9

8 is a multiple of 4, and 9 is more than 8.

{11}^{2}  = 121

120 is a multiple of 4 and 121 is one more than it.

{25}^{2}  = 625

624 is a multiple of 4 and 625 is one more than it.

{37}^{2}  = 1369

1368 is a multiple of 4 and 1369 is one more than 1368.

{131}^{2}  = 17161

17160 is a multiple of 4.

5 0
2 years ago
What is -4 3/4+2 1/2
OLga [1]
The answer as a mixed number: -2 1/4
the answer as a decimal: -2.25
the answer as an improper fraction: -9/4
3 0
3 years ago
Ellie’s bird feeder is shaped like a cone with a height of 24 in. and a radius of 3 in. Packages of bird seed are cylindrical an
love history [14]
The volume of seeds in the package must be equal to the volume of the feeder in order to fill it completely. The volume of the conic feeder is given by:
V(f) = (πr²h)/3
And volume of the cylindrical package is given by:
V(p) = πr²h
Equating the two and substituting values:
(π x 3² x 24)/3 = π x 6² x h
h = 2 inches
3 0
3 years ago
Jill sold 478 out of 520 tickets to the opening night of her theater performance. What portion of the tickets did she sell?
Arte-miy333 [17]

Answer:

write your answer as a decimal, then round

6 0
2 years ago
Pls help I need help! <br><br>Find the length of side A. ​
wolverine [178]
I believe it is c sorry if i am wrong
8 0
3 years ago
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