6,964 Answered Questions for the topic mathematics

Mathematics Math Calculus Ab Calculus

03/28/21

Please help with math question
A curve is defined by parametric functions x(t) and y(t), where dx/dt = 3t^2 and dy/dt = t^7-2t^4. For what positive value of t is d^2y/dx^2 = 1?a) 1.202b) 1.149c) 1.079d) 1.525
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Mathematics Math Calculus Maths

03/28/21

Integral logarithmic calculus math help.
Pls find ∫x(2+x)logx2dx I dont know how to do calculus of a logs base, here x is the base of the log.
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Mathematics

03/28/21

If R is the midpoint of AT then
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Mathematics

03/28/21

Word problem for 3rd grade
I am 35 years old woman with a kid. He is 8 years old, and he is 3rd grade. He was solving a word problem with no answer shown, and he and I both are confused. It was written like this, “Sam,... more
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Mathematics Math Statistics

03/28/21

statistics question
According to a poll, 80% of California adults (406 out of 506 surveyed) feel that education is one of the top issues facing California. We wish to construct a 90% confidence interval for the true... more
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Mathematics Math Algebra 1 Algebra 2

03/27/21

Help Please A chemical company makes two brands of antifreeze.

A chemical company makes two brands of antifreeze. The first brand is 60% pure antifreeze, and the second brand is 85% pure antifreeze. In order to obtain 50 gallons of a mixture that contains 65%... more
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Mathematics Math Trigonometry Maths

03/27/21

I need help on these two trigonometry questions
Use the given information to find the values of the other five trig functionsTan theta = -8/15, pi < theta < 2piSin thetaCis thetaSec theta Csc theta Cot thetaCsc theta=4 , pi/2 < theta... more
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Mathematics Geometry Statistics

03/26/21

Calculate the volume and standard deviation of the volume of the triangular prism
The length l = 120.236m +/-0.025m, the width b = 42.524m +/- 0.014m, the height = 55.632m +/- 0.018m.Calculate the volume and standard deviation of the triangular prism.
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03/26/21

NEED ASAP PLEASE
You want to put a fence around your large yard. There are two companies that you have found to do the work. They have each given you a quote for how much the work will cost. Of course, you want to... more
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Mathematics Math Algebra 1

03/26/21

Fraction to percentage
What is 4/16 as a percentage? Explain your answer
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Mathematics

03/26/21

The sum of three numbers is 20. If the first number is three times the difference between the second and the third, and the second number is two more than twice the third, find the three numbers.
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Mathematics Math Maths

03/26/21

Please answer this
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Mathematics Math Maths

03/26/21

Please help me answer this question
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Mathematics Math Maths

03/26/21

Please help me answer this question
https://gyazo.com/155402dc3d1d766a2eb7f5c7d9995d6f
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Mathematics Math Maths

03/26/21

Please help answer this question
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Mathematics Math Maths

03/26/21

Please help answer this question
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Mathematics Math Maths

03/26/21

Please help me answer this question
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Mathematics Math Maths

03/26/21

Please help answer this.
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Mathematics Math

03/26/21

URGENT HELP WITH MATH
The question is how many one by one by one inch cubes will fit inside of this regular tangular prism, There are three measurements, the height is 4 in, the length is 10 in, but then there's one... more
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Mathematics Ela

03/26/21

The first day, Martin walked 3 miles. The second day, he walked half as many miles. How many miles did Martin walk the second day?
The first day, Martin walked 3 miles. The second day, he walked half as many miles. How many miles did Martin walk the second day?
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Mathematics Ela

03/26/21

The first day, Martin walked 3 miles. The second day, he walked half as many miles. How many miles did Martin walk the second day?
The first day, Martin walked 3 miles. The second day, he walked half as many miles. How many miles did Martin walk the second day?
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Mathematics Ela

03/26/21

The first day, Martin walked 3 miles. The second day, he walked half as many miles. How many miles did Martin walk the second day?
The first day, Martin walked 3 miles. The second day, he walked half as many miles. How many miles did Martin walk the second day?
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Mathematics

03/26/21

I need help with this question please!
Your house is at (5,2) and the library is at (-3,2). What is the distance between the two locations? Do not include units. 
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Mathematics Math Algebra 1 Algebra 2

03/26/21

application of linear algebra
Question # 2: Consider an open economy with three industries: coal-mining operation, electricity-generating plant and an auto-manufacturing plant. To produce $1 of coal, the mining... more
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Mathematics Math Sat Math Act Math

03/26/21

Plz help me i need this hundred
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