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harina [27]
3 years ago
8

2x^2-3x+1=0, how do I solve this

Mathematics
1 answer:
cricket20 [7]3 years ago
7 0
<span>2x^2-3x+1=0
(2x -1)(x-1) = 0
2x - 1 = 0; x = 1/2
x - 1 = 0;x = 1

answer
</span>x = 1/2 and x = 1
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An ice cream cone has a height of 4 in and a radius of 1 in. If the cone is 0.1 in thick, what is the difference (in in3) betwee
SSSSS [86.1K]

Answer:

0.79 in^3

Step-by-step explanation:

Given data for the cone

height h= 4 in

radius r= 1 in

hence diameter d= 2 in

thickness of cone= 0.1 in

The volume of the cone including the shell can be expressed as

volume=\frac{1}{3} \pi r^2h

volume= \frac{1}{3}*3.142*1^2*4\\\volume= \frac{12.568}{3} \\\volume= 4.189 in^3

The volume of the ice cream can be expressed as

N/B: the diameter of the ice cream is

2-(0.1*2)= 2-0.2= 1.8 in

hence the radius is 0.9 in

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The difference in volume is 4.189-3.39= 0.79 in^3

8 0
2 years ago
Susan and Steven are cousins. The sum of their ages is 33. The difference between three times Steven's age and half of Susan's a
VARVARA [1.3K]
The complete question is
Susan and Steven are cousins. The sum of their ages is 33. The difference between three times Steven's age and half of Susan's age is 36. Find <span>the age of Susan and Steven

let
x-----> </span>Susan's age
y---->  Steven's age

we know that
y+x=33-----> equation 1
3y-x/2=36----> multiply by 2----> 6y-x=72----> equation 2
adds equation 1 and equation 2

y+x=33
6y-x=72
-------------+
7y=105--------> y=15
x=33-y----> x=33-15----> x=18

the answer is
Susan's age is 18
Steven's age is 15

5 0
3 years ago
Help me please please
ratelena [41]
When dividing same numbers with different exponents (they’re both 10 so this works different than if they were different numbers) you subtract the top exponent by the bottom exponent. So 15-4=11 ultimately making the solution 10^11. Hope this helps :)
4 0
2 years ago
Please help with this
ololo11 [35]

Answer:

f(x) = 100(1.05)^t

8 0
2 years ago
Use the Algebra Tiles to construct the algebraic expression for this situation:
Zigmanuir [339]
That’s a hard one use Brainly to find the answer
6 0
3 years ago
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