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6,969 Answered Questions for the topic mathematics

Mathematics Algebra

03/11/21

Show that (3 over m+4 - 4 over m =6) can be written as 6m squared +25m +16=0?

Am I supposed to solve for m? Even if so, how is that supposed to be done when you have m squared and m to deal with?Any assistance would be greatly appreciated.

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Mathematics Algebra

03/11/21

Rearrange to make x the subject of this formulae

K=2m-x divided by xWhen I try to rearrange this question, I always end up with two Xs to deal with and not sure how to complete this?

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Mathematics Algebra

03/11/21

How to factorise these terms?

2mn+m2-6n-3m4y2-81t2-6t+8Any assistance would be really appreciated.

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Mathematics

03/11/21

Answer math help

Brenda and Huong are selling pies for a school fundraiser. Customers can buy cherry pies and lemon meringue pies. Brenda sold 1 cherry pie and 6 lemon meringue pies for a total of $111. huong... more

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Mathematics Algebra 1

03/11/21

a city had a declining population from 1992 to 1998. The population in 1992 was 200,000. Each year for 6 years, the population declined by 3%. Write an exponential decay model to represent this... more

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Mathematics

03/11/21

If A is four times greater than B, but A plus B equal 90, what are the values of A and B?

I am super confused about this.

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Mathematics Math Physics Mathematica

03/11/21

Angular Acceleration of a washing machine

A washing machine slows from 75 rad/s to 25 rad/s while rotating through an angle of 450 radians. What is the angular acceleration of the washing machine?

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Mathematics Math

03/11/21

The sum of four consecutive numbers is 90. Calculate these numbers.

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Mathematics Math Statistics Probability

03/11/21

Statistics help!

Tennis superstar Nadal's first serve speeds in a recent season can be modeled by a normal distribution with mean 115 mph and standard deviation 6mph. let x = the speed (in mph) of a randomly... more

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Mathematics Calculus Statistics Ap Statistics

03/11/21

Ap Stats Question Pls Help

Two hundred randomly selected residents in Hoptown were surveyed and asked, "Do you support the city's decision to build a public health clinic in your area?" A total of 108 said no, 8 said yes,... more

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Mathematics Math Middle School Math

03/10/21

The residents of a city voted on whether to raise property taxes. The ratio of yes votes to no votes was 4 to 7. If there were 3,796 yes votes, what was the total number of votes?

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Mathematics Math Physics Mathematica

03/10/21

How many revolutions

A fan rotating with an initial angular velocity of 1500rpm is switched off. In 2.00s, the angular velocity decreases to 450rpm. Assuming the angular acceleration is constant, how many revolutions... more

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Mathematics Math Physics Mathematica

03/10/21

Angular Acceleration

During the time a compact disk (CD) accelerates from rest to a constant rotational speed of 385rpm, it rotates through an angular displacement of 0.450rev. What is the angular acceleration of the... more

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Mathematics Math Math Maths

03/10/21

Is ∀ x, ∃ y, 3x^2−2y=5 true or false?

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Mathematics Math

03/10/21

Please help me on this question

Mount Whitney, at 14,494 feet above sea level, and Death Valley, at 282 feet below sea level, are the highest and lowest points in the 48 contiguous states and are only 85 miles apart. What is the... more

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Mathematics Math Algebra 2 Differential Equations

03/10/21