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Sati [7]
3 years ago
7

Write the answer in simplest form: 4/15 + 3/7 a. 73/105 b. 7/22 c. 4/35 d. 1/15

Mathematics
2 answers:
slava [35]3 years ago
8 0

Answer:

73/105

Step-by-step explanation:

4/15+3/7=28/105+45/105=73/105

elena-s [515]3 years ago
3 0

Answer:

all work is shown and pictured

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What is 6x^2-2x+1=0 plz help
Kazeer [188]
6x^2 - 2x + 1 is a quadratic formula from the form ax^2 + bx + c. This form of equation represents a parabola.
Finding 6x^2 - 2x + 1 = 0, means that you need to find the zeroes of the equation.
Δ = b^2 - 4ac
If Δ>0, the equation admits 2 zeroes and 6x^2 - 2x + 1 = 0 exists for 2 values of x.
If Δ<0, the equation doesn't admit any zero, and 6x^2 - 2x + 1 = 0 doesn't exist since the parabola doesn't intersect with the axe X'X
If Δ=0, the equation admits 1 zero, which means that the peak of the parabola is touching the axe X'X.

In 6x^2 - 2x + 1, a=6, b=-2, and c =1.
Δ= b^2 - 4ac
Δ=(-2)^2 - 4(6)(1)
Δ= 4 - 24
Δ= -20
Δ<0 so the parabola doesn't intersect with the Axe X'X, which means there's no solution for 6x^2 - 2x + 1 = 0.

I've added a picture of the parabola represented by this equation under the answer.

Hope this Helps! :)

4 0
3 years ago
I’ll mark Brainly! Which problem is being modeled on the number line?
Lesechka [4]

Answer:

The answer is B

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Need help ASAP DUE IN A COUPLE MINUTES ?!!!!
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Answer:

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Step-by-step explanation:

remember that,

\displaystyle V _{ \rm sphere} =  \frac{4}{3} \pi {r}^{3}

given that,

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thus substitute:

\displaystyle   \frac{4}{3} \pi {r}^{3}  = 288\pi

divide both sides by 4/3π:

\displaystyle   {r}^{3}  = 216

cubic root both sides:

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and we are done!

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0 it has no simplest form
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25x2 + 5x
poizon [28]

Answer:

option C: 5x+1

Explaination:

take 5x common and simplify

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3 years ago
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