2,575 Answered Questions for the topic Maths

05/01/21

good explanation needed HELP NEEDED

Find the AREA of the TRAPEZOID below: *since it have a right angle triangle is there something I'm suppose to do to solve this question should i just solve it as is 2x2x4?
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05/01/21

needing good explanation on what to do. HELP NEEDED ( i don't understand )
just mulpy 34 square inches x height of 4 inches correct ? if i am wrong can please explain what I'm suppose to do
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05/01/21

help needed! good explanation needed

what three dimensional figure is classified by all of the following characteristics? has a circular base , has one vertex , has no edges
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05/01/21

I don't understand what to do. i need explanation on what to do

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05/01/21

I need Help please explain what I'm suppose to do.

A triangle has a base of 6 units and a height of 12 units. what is the area of the triangle ? question : how am just multiplying 6x12 ???? if not can you explain what to do.
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05/01/21

I need help! good explanation needed

i put B but stated i was incorrect so can someone help me
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05/01/21

i need help! explain how im suppose to answer this questin

KY.6.G.2 *1 point
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05/01/21

Calculate energy in joules required to move an electron from its ground state to an excited state
Calculate the energy in joules required to move an electron from its ground state (level 1) to an excited state of n=[2].
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05/01/21

HELP!!! What is the index of refraction of the unknown medium?
When moving from an unknown medium into air, light is internally reflected at any incident angle larger than 24 degrees. What is the index of refraction of the unknown medium?
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Maths

05/01/21

Maths question about equations of circles

A circle which touches the straight lines L:7x-4y-52=0 at the point A (8,1) and the circle passes through the point B(-7,4)find the centre of the circle
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Maths Probability

04/30/21

Probability question
A code consists of six digits chosen at random from 0 to 9.the code can begin with a zero and digits can be repeatedhow many codes will end with 0 ?how many will contain the digits 2018 together... more
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Maths Probability

04/30/21

Probability question
A code consists of six digits chosen at random from 0 to 9.the code can begin with a zero and digits can be repeatedhow many codes will end with 0 ?how many will contain the digits 2018 together... more
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04/30/21

3D ratio math help needed.
There are three cuboids, A, B and C, the length of A is (1/2) the length of B, and (1/3) the length of C, the width of of A is (2/3) the width of B and (3/2) the width of C and the height of A is... more
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04/30/21

Find the new quadratic form?
Classify the quadratic form below. Then make a change of​ variable, x=Py​, that transforms the quadratic form into one with no​ cross-product terms. Write the new quadratic... more
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04/30/21

Find the new quadratic form
Classify the quadratic form below. Then make a change of​ variable, x=Py, that transforms the quadratic form into one with no​ cross-product term. Write the new quadratic form.2x21 + 8x1x2+2x22What... more
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04/29/21

I don't understand how to solve this question. need good explanation

Maria has a gift box shaped like a rectangular prism. What is the volume of the box?A box of plastic drinking straws is shown. What is the volume of the box in cubic inches 8 inches 4 inches 1 1/4... more
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04/29/21

good explanation need help needed

Which shape is represented by the net? What is the surface area and volume?
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04/29/21

i need good explanation. i need help
What is the distance between the point (-2, 5)and (-2, -8)?
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04/29/21

Monica and Michael

Monica and Michael both want to buy a scooter. Monica has already saved $25 and plans to save $5 per week until she can buy the scooter. Michael has $16 and plans to save $8 per week. In How many... more
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04/29/21

Statistics Question
Suppose that mutations in a virus occur in the time interval [0, t] according to the following assumptions:i) Divide the interval [0, t] into n equal intervals, each of width t/nii) Let n be very... more
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04/29/21

Statistics Question
Let X have a U(0, 1) distribution, with cumulative distribution function F(·). Prove that Y = − ln(1 − F(X)) has an exponential distribution and give its parameter. Then, derive the moment... more
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Maths

04/28/21

math linear equations
Julia's text messaging plan costs 10$ for the first 700 messages and 10 cent for each additional text message. If she owes $30.30 for text messaging in the month of June, how many text messages... more
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04/28/21

Please help with this question
A train X runs on a straight horizontal track that connects stations A and C. Station B lies between A and C. Figure 2 shows the graph of the speed, v m s−1, of train X against the time, t minutes,... more
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Maths

04/28/21

Maths Question need answe
I had $370.00. My Mom gave $150.00. My Dad gave me $150.00. My Aunt & Uncle gave me $100.00.I had another $30.00. How much did I have?
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04/27/21

What algebraic expression matches this graph?
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