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59,606 Answered Questions for the topic Math

Math

03/16/24

Finding critical points of a parent function

How do we know that the function y=x has critical points of (1,1) (-1,-1) and (0,0)?

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Math Science Physics Physical Science

03/16/24

Please help with this magnet physics problem

On the internet, I came across an interesting physics problem. Can you help with this:The weight of a small, flat refrigerator magnet is "M". We place the magnet on the refrigerator's vertical... more

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Math

03/16/24

Everyone I fly home to Chicago is 3410 km away from Portland. It takes three hours. What is my average speed

Every winter I fly home to Chicago, which is 3410 km away from Portland. It takes three hours. What is my average speed

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Math

03/15/24

When will the height be 447 feet? When will the object reach the ground?

An object is thrown upward at a speed of 170 feet per second by a machine from a height of 8 feet off the ground. The height h of the object after t seconds can be found using the equation h=... more

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Math

03/15/24

Help me pls this is really hard

Two cyclists are 7 miles apart when they begin biking away from each other in opposite directions. The speed of the first cyclist is 12 miles per hour. The speed of the second cyclist is b miles... more

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Math Calculus Trigonometry

03/15/24

A plane flying with a constant speed of 9 km/min passes over a ground radar station at an altitude of 13 km and climbs at an angle of 25 degrees.

At what rate is the distance from the plane to the radar station increasing 4 minutes later?Hint is to use the law of cosines for a triangle.

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Math

03/15/24

A bakery uses 65.6 kilograms of flour each hour. How many kilograms of flour will the bakery use in 14 hours?

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Math

03/15/24

A bakery uses 65.6 kilograms of flour each hour. How many kilograms of flour will the bakery use in 14 hours?

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Math

03/15/24

If f(x) = 3x - 11, find f(-4). Can someone help me with this problem please?

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Math

03/15/24

If f(x) = 3x - 11, find f(-4). Can someone help me with this problem please?

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Math Science Physics Physical Science

03/14/24

Coaxial cable-physics problem

Please help with this problem.Problem:Power P is transmitted over a distance D on a coaxial cable. The radius of the cable's inner conductor with negligible resistance is Ri, and the radius of the... more

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Math

03/14/24

Question 6 options: If x and y vary inversely and x is 25 when y is 29, determine y when x is equal to 145.

help me

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Math

03/14/24

arithmetic reasoning

a jeweler had on sale on rings marked"Two for the Price of one."If the jeweler normally sells the ring for $50.00 and they cost him $20.00 each, his profit on the sale of two rings is

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Math

03/14/24