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2 years ago

MULTIPLE CHOICE QUESTION What is the mean 11.65 11.85 11.45 11.25

Mathematics

1 answer:

dolphi86 [110]2 years ago

4 0

11.45... to solve it, you add all of the numbers and then divide by the total number of numbers. so 126 divided by 11

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At a currency exchange, 11 U.S. dollars can be exchanged for 10 Euros. How many U.S. dollars will you receive for 1 Euro?

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Answer:

$1.22096

Step-by-step exanation:

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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

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1 year ago

HELP ME <br> I WILL GIVE YOU BRAINLIEST

lana66690 [7]

76, because the graph shows how many visitors there are around 90 degrees

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2 years ago

Someone EXPLAIN HOW + dont just answer!! i need an explanation and an answer

sdas [7]

Answer:

< - 5, 3.5 >

Step-by-step explanation:

A single translation is required to map A onto B

Consider the point (5, 3 ) on A and the corresponding point (0, 6.5) on B

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3 years ago

What's the correlation coefficient of this date . 10,11,16,9,7,15,16,10,96,51,62,58,89,81,46,51

dem82 [27]

Assuming the question is in the wrong format and"date" is data.
I chose X= 10,11,16,9,7,15,16,10 and Y= <span>96,51,62,58,89,81,46,51
the correlation cooefficent is -0.3351

</span>

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3 years ago