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Answer:
ima do each one sepeeatly first one is 3$
Answer:
=
Step-by-step explanation:
=, because 0 x 4 equals 0, and 0 x 9 equals 0. And 0 = 0. Hope this helped!
The wheel will rotate by 20 degrees for the car at the bottom to be replaced by next car
<h3>What is a Ferris wheel?</h3>
The Ferris wheel is the type of wheel seen mostly in amusement parks that rotates slowly moving items fixed on it on a circular way.
The property of the Ferris wheel used here is the circular rotation, where by the angular degrees is gotten from the knowledge of angle on a point being 360 degrees.
Given data
number of cars = 18
angle in the circle = 360 degrees
<h3>How to solve for the degrees the wheel rotation</h3>
The circumference subtends angle of 360 degrees, dividing 360 by 18 gives how many degrees the wheel will rotate between successive cars.
Therefore
360 / 18 = 20 degrees
Read more on angles here: brainly.com/question/25716982
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Answer:
Dimensions:
x = 130 cm
y = 10 cm
Step-by-step explanation:
Let´s call "x" and "d" sides of the cardboard rectangle x > y
then we have to cut along x three pieces of y length to get three squares of sides "y".
We have two squares of side y, the third one we cut in half and get two rectangles with sides y and y/2, we cut to get 4 squares with sides y/2 then so far we have
2 large squares ( side y )
4 medium squares (side y/2) we just need three
We need to cut the available square side y/2 in 4 to get y/4 squares
Finally, we need y/4 length to get the fifth y/4 square
Then dimensions of the cardboard
x and y
We cut 3 times at "y" length and need additional 10 cm
Then the side y/4 is equal to 10 cm then y = 40 cm
and x = 3*y + y/4
x = 3*40 + 10 = 130 cm