30 POINTS! RIGHT ANSWERS ONLY! PLEASE! Thank you, explanation is optional.

Mathematics

2 answers:

Len [333]2 years ago

4 0

Answer:

16+x=30 x=14

Step-by-step explanation:

GaryK [48]2 years ago

3 0

Answer: First question : 14

Second question : x(2x + 3x)

Third Question : 11

Fourth Question : 4/12

Fifth Question : m = 30 x 2w

Step-by-step explanation:

First question : If you add 16 to 14 you get 30 so 14 is X

Second question : I don't know how to explain

Third Question : If you subtract 11 from 25 you get one number lower than 15, the question says < and the smaller number eats the larger number so if you subtract 11 from 25 you get 14 and 14 is smaller than 15

Fourth Question : I'm not good at explaining fractions

Fifth Question : When you get to the 2nd week you have 30, then you basically multiply by 2 from 30 and on the 4th week you get 60

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A certain bridge arch is in the shape of half an ellipse 106 feet wide and 33.9 feet high. At what horizontal distance from the

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Step-by-step explanation:

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Where a is the half of the wide, b is the high of the ellipse, x is the horizontal distance from the center and y is the height of the ellipse at that distance.

Then, replacing a by 106/2 and b by 33.9, we get:

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Therefore, the horizontal distances from the center of the arch where the height is equal to 12.3 feet is calculated replacing y by 12.3 and solving for x as:

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