2 years ago

Select the correct answer. What are the roots of 12x = 9 + 5x2?

Mathematics

1 answer:

Lorico [155]2 years ago

5 0

Answer:

12x=9+5x^{2}

12x=9+5x2

Step-by-step explanation:

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GOODNIGHT luvs!!!!! 1+1=3 lol just a lil humor

Yuliya22 [10]

Answer:

Goodnight

Step-by-step explanation:

<3 don't stay up late and get rest !

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2 years ago

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Casandra rents a life jacket for a one-time fee of $5. she then rents a boat for $25 per day. write an expression represents the

qaws [65]

Answer:

it would be something along the lines of. 5+25d =c

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1 year ago

If a polyhedron has 5 faces and 7 vertices, then it must have how many edges? Please show step-by-step work

Juli2301 [7.4K]

Answer:

10 edges

Step-by-step explanation:

we know that

The Euler's formula state that: In a polyhedron, the number of vertices, minus the number of edges, plus the number of faces, is equal to two

$V - E + F = 2$

in this problem we have

$V=7\\E=?\\F=5$

substitute the given values

$7 - E + 5 = 2$

solve for E

Combine like terms in the left side

$12 - E = 2$

subtract 12 both sides

$- E = -10$

Multiply by -1 both sides

$E =10$

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2 years ago

If A || B and B | y, then ?

aniked [119]

Answere: I believe that the answere is C.

Step-by-step explanation:

Well,since the lines A and B are paralel and the line y is not paralel with any of then y and A are not paralel.Plus there is not a line called x in this particular equazion.If you have any questions , please contact me.

Yours sincerely,

Manos

8 0

2 years ago

What is the quadratic equation whose roots are -3, -1 and has a leading coefficient of 2 with X to represent the variable?

dexar [7]

$f(x)=2(x+3)(x+1)\\
f(x)=2(x^2+x+3x+3)\\
f(x)=2(x^2+4x+3)\\
f(x)=2x^2+8x+6$

3 0

3 years ago