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2 years ago

HELP ME PLEASEEEEEEEEEEEEEEEEE

Mathematics

2 answers:

Aleks04 [339]2 years ago

8 0

Answer:

Well if i am completely correct that means the same as median so im gonna go with 8.Good luck tho

spin [16.1K]2 years ago

5 0

Second quartile is another name for median, so the answer is 8. I think. I'm second guessing myself now..

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How many different types of cross sections of a cone are possible? A.3

adoni [48]

The answer is B. 5.
There are five different types of cross sections of a cone possible.

8 0

2 years ago

If $40 off of a printer is the same as 25% off, what was the original price of the printer?

VMariaS [17]

Answer:

$160

Step-by-step explanation:

3 0

2 years ago

3. What are the roots of the polynomial y = x³ - 8?

zzz [600]

Step-by-step explanation:

x^3 is a perfect cube, 8 is a perfect cube, so we use difference of cubes.

${a}^{3} - {b}^{3} = (a - b)( {a}^{2} + ab + {b}^{2} )$

Cube root of x^3 is x.

Cube root of 8 is 2

a=x

b= 2.

$(x - 2)( {x}^{2} - 2x + 4)$

Set these equations equal to zero

$x - 2 = 0$

$x = 2$

${x}^{2} - 2x + 4 = 0$

If we do the discriminant, we get a negative answer so we would have two imaginary solutions,

Thus the only real root is 2.

If you want imaginary solutions, apply the quadratic formula.

$1 + i \sqrt{ 3 }$

and

$1 - i \sqrt{3}$

4 0

11 months ago

you rent a canoe for 5$ per hour.Your cost before the tax is added is 12.50. write and solve an equation to find the total numbe

Basile [38]

Answer: The equation is 5x = 12.50 and you will have the canoe for 2 and half hours or 2 hours 30 minutes.

Step-by-step explanation:

You rent the canoe for 5 dollars per hour and that can be represented by the expression 5x. After sometime you paid $12.50 meaning that to find the number of hours that you need the canoe, we need to set 5x to equal 12.50.

5x = 12.50 Solve for x by divide both sides by 5.

x = 2.5

This means you will need the canoe for 2 and half hours.

8 0

2 years ago

Help me solve the binary operations please

son4ous [18]

Answer:

3*2= $\sf{\pink{\dfrac{4}{5}}}$

Step-by-step explanation:

Given that,

x*y= $\dfrac{(2x-y)}{(x+y}$

3*2=

$\dfrac{2(3)-2}{3+2}\\\\\dfrac{6-2}{5}\\\\\dfrac{4}{5}$

Therefore:-

$\therefore {3*2}=\dfrac{4}{5}$

6 0

1 year ago