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inysia [295]
3 years ago
13

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

Mathematics
2 answers:
Blizzard [7]3 years ago
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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Which expresses 216:270 in its simple form
Ivanshal [37]

Answer:

4/5

Step-by-step explanation:

Steps to simplifying fractions

Find the GCD (or HCF) of numerator and denominator

GCD of 216 and 270 is 54

Divide both the numerator and denominator by the GCD

216 ÷ 54

270 ÷ 54

Reduced fraction:  

4

5

5 0
4 years ago
3.8+(-4.8+(-6.2))=(3.8+(-4.8))+(-6.2)
katrin [286]

-6.2 plus -4.8 is -11. add the 3.8 to get -7.2

-4.8 plus 3.8 is -1

-1 plus -6.2 is -7.2

-7.2=-7.2


3 0
4 years ago
It takes omar four minutes to eat eight carrots sticks. how long does it take him to eat one ?
astra-53 [7]
It takes Omar 30 seconds to eat one considering he ate 8 in 4 minutes ...

If we really wanted to we could turn this into the fraction 8/4
8 being the amount of carrot sticks he ate and 4 being the time it took
now all u have to do is simplify that turns into 2/1 and since the 1 is one minute and her can eat 2 in one minute we can safely say he eats 1 carrot stick every 30 seconds 

:) hope this helps!!

5 0
3 years ago
PLZZZZZZZZ HELP IM VERY STUCK ON THIS
Neporo4naja [7]

Answer:

B= 15 adults tickets

C= 35 student tickets

Step-by-step explanation:

x+y=50

solve for y

y=50-x

5x+3y=180

5x+3(50-x)=180

5x+150-3x=180

2x=30

x=15

y=50-15

y=35

6 0
3 years ago
Solve x2 – 4х + 1 = 0.<br> x 2 + 215<br> оооо<br> х = 4 + 3<br> 0 х 2 + 3<br> x = -2 + 3
Assoli18 [71]

Answer:

Use photo math, it will explain all the steps

6 0
3 years ago
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