2,563 Answered Questions for the topic Maths

Maths Math Algebra

03/13/22

Full answer to: The area of a rectangle is 2m^2. If the width of the rectangle is (2-sqr3) m, what is the length of the rectangle? Express your answer with a rational denominator.
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03/13/22

A random sample of size 50 is taken from a large population with mean μ=160 and standard deviation σ=18.

A random sample of size 50 is taken from a large population with mean μ=160 and standard deviation σ=18. What is the mean of the sampling distribution of the sample means? What is the standard... more
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03/12/22

A population consist of five (5) measurements 2,3,5,6 and 7. What is the variance of the sampling distribution?
A population consist of five (5) measurements 2,3,5,6 and 7. What is the variance of the sampling distribution?a.0.89b.1.29c.3.90d.2.20
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03/12/22

A population consist of five (5) measurements 2,3,5,6 and 7.How many different samples of size n=2 can be drawn from the population?
A population consist of five (5) measurements 2,3,5,6 and 7.How many different samples of size n=2 can be drawn from the population?a.7b.8c.9d.10
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03/12/22

What is the mean of a sampling distribution of sample means if a population has a mean of 8.5?
1.What is the mean of a sampling distribution of sample means if a population has a mean of 8.5?2.What is the mean of a population if the mean of the sampling distribution of sample means is... more
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03/12/22

A population consist of the data (1,2,3,4).What is the lowest value of the sample mean in this sampling distribution?
A population consist of the data (1,2,3,4).What is the lowest value of the sample mean in this sampling distribution?a.1.5b.0c.2d.2.5
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Maths Algebra

03/12/22

Full answer to: The two shorter sides of a right triangle are (2+√2)cm and (2+√2)cm. Determine the length of the longest side, written as a simplified surd.

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Maths Mathematics

03/11/22

How to find the intersection of a straight line and a circle algebraically?
Find the set of values of m for which the line y = mx + 1 intersects the circle (x - 7)2 + (y - 5)2 = 20 at twodistinct points.I understand the question and can find correct values of m for which... more
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03/09/22

A population consist of five (5) measurements 2,3,5,6 and 7. What is the variance of the sampling distribution?
A population consist of five (5) measurements 2,3,5,6 and 7. What is the variance of the sampling distribution?a.0.89b.1.29c.3.90d.2.20
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03/08/22

The weights of 1000 children have an average of 45 kilograms and a standard deviation of 5 kilograms.
Situation: You volunteered to be part of the medical mission in your barangay and in-charge to get weight of the children. The weights of 1000 children have an average of 45 kilograms and a... more
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03/08/22

Find the slope of the tangent line of the given equation at the indicated point.
Full problem and questions- https://imgur.com/F3By45v
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03/08/22

A. The derivatives of the trigonometric functions, csc, sec and cot, can be found easily using the Quotient rule.

Full problem and questions- https://imgur.com/CPKadWi
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03/07/22

is limx->0^- f(x) and limx->0^+ f(x) equal
is limx->0^- f(x) and limx->0^+ f(x) equal, if they are equal does that mean that they are differentiable?
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03/07/22

You plan to open a new pizza restaurant and found out the data for a similar restaurant which is presented below.
You plan to open a new pizza restaurant and found out the data for a similar restaurant which is presented below.amount - percentage$40000 - 10% loss$0 - 35%$40000 - 45% profit$200000 - 10%... more
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03/07/22

The weights of 1000 children have an average of 45 kilograms and a standard deviation of 5 kilograms.
Situation: You volunteered to be part of the medical mission in your barangay and in-charge to get weight of the children. The weights of 1000 children have an average of 45 kilograms and a... more
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03/06/22

The weights of 1000 children have an average of 45 kilograms and a standard deviation of 5 kilograms.
Situation: You volunteered to be part of the medical mission in your barangay and in-charge to get weight of the children. The weights of 1000 children have an average of 45 kilograms and a... more
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03/06/22

The weights of 1000 children have an average of 45 kilograms and a standard deviation of 5 kilograms.
Situation: You volunteered to be part of the medical mission in your barangay and in-charge to get weight of the children. The weights of 1000 children have an average of 45 kilograms and a... more
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03/05/22

Newton's law of cooling proposes that the rate of change of temperature is proportional to the temperature difference to the ambient (room) temperature.
(continuation of title) This can be modelled using the equation dT/dt=-k(T-T_a). This can also be written as dT/T-T_a=-k dt.WhereT=Temperature of materialT_a=Ambient (room) temperaturek =A cooling... more
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03/05/22

Find the intervals on which each function is continuous. Show necessary solutions. You may refer to the graph.

Find the intervals on which each function is continuous. Show necessary solutions. You may refer to the graph. See picture below.Click here- https://imgur.com/TB1TAgs
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03/04/22

Topic 5 review of systems Question 22
Solve the system of equations using subtraction.2x-5y = 58x-5y = 35Question content area bottomPart 1The solution is enter your response here. ​(Type an ordered​ pair.)
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03/04/22

Topic 5 Review Systems Question 19
The sum of two numbers is 14. When the second number is subtracted from the first​ number, the difference is 10. Find the two numbers.Question content area bottomPart 1What are the... more
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03/04/22

Topic 5 review of systems Question 18
Solve the system using addition.7x+8y = -23-7+y = 68Question content area bottomPart 1The solution is enter your response here.​ (Type an ordered​ pair.)
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03/03/22

Secuencias aritmeticas
In an arithmetic sequence the sum of the first  terms is given byu1+⋯+un=Sn=n2−10nFind u103.
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Maths

03/02/22

If cos x =-1/2 for 90<x<180° find cos x / sin x
Please I need a step by step calculation of this question
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03/01/22

Find the general solution of r' + 2rtheta - r - 4theta + 2 = 0.
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