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3 years ago

A rectangular computer screen is 18 in wide and 11 in high. find the length of its diagonal

2 answers:

6 0

Since it is a rectangle, that means that all the corners are 90 degrees.

If we take a rectangle and cut it along the diagonal, that is basically two right triangles.

The diagonal is just the hypotenuse of the triangles

To find the hypotenuse

a^2 + b^2 = c^2
18^2 + 11^2 = c^2
324 + 121 = c^2
445 = c^2
c = sqrt. (445)

Hope this helps!

Reptile [31]3 years ago

5 0

I'm not sure if this answer is correct because I haven't done it since 4th grade but I think it's 14 1/2in

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x2y - 2xy - 24y = y(x2 - 2x - 24) What is the completely factored form of x2y – 2xy – 24y? (xy + 4)(x – 6) xy(x + 4)(x – 6) y(x

likoan [24]

we are given

$x^2y-2xy-24y=y(x^2-2x-24)$

now, we can factor out right side term

$x^2-2x-24=x^2-6x+4x-6*4$

$x^2-2x-24=(x-6)(x+4)$

now, we can plug back

and we get

so,

$x^2y-2xy-24y=y(x-6)(x+4)$ .............Answer

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2 years ago

Read 2 more answers

PLEASE HELP ME

kvasek [131]

Answer:

Step-by-step explanation:

The binomial coefficient is calculated as:

$nCx=\frac{n!}{x!(n-x)!}$

It means that there are nCx ways to select x elements from a group of n elements.

So, If the researcher wants to determine the probability that 6 out of the next 8 individuals in his community are in favor of the president, we can replace n by 8 and x by 6 and calculated the binomial coefficient as:

$8C6=\frac{8!}{6!(8-6)!}=28$

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3 years ago

Class a had a mean score of 7.8 and a standard deviation of 1 class b had a mean score of 8.1 and a standard deviation of 0.2 wh

Karo-lina-s [1.5K]

Class 2 scored better on average

<h3>How to determine which class scored better on average?</h3>

The averages and the standard deviations are given as:

Class 1

Mean score = 7.8

Standard deviation = 1

Class 2

Mean score = 8.1

Standard deviation = 0.2

As a general rule, the smaller the standard deviation; the better the average

Class 2 has a smaller deviation

Hence, class 2 scored better on average

Read more about standard deviation at:

brainly.com/question/28061243

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1 year ago

Do you think it is true that any solution point of the equation y=1/2x+1 is a point on the line?

Harman [31]

Yes, yes it is!
Because every point on the line of this equation is also a solution!
THis is called a linear equation!

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3 years ago

It does not make since to me

Kamila [148]

Answer:

It is B

Step-by-step explanation:

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3 years ago