6,938 Answered Questions for the topic mathematics

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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03/10/21

a)what is the number of complex roots b)possible number of real positive and real negative roots C) possible number of rational roots for the equation x^4+x^3-4x^2+2x-5=0
number of complex roots includes real roots and imaginary roots
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Mathematics

03/10/21

One angle of an isosceles triangle measures 94°. Which other angles could be in that isosceles triangle? Choose all that apply.
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Mathematics

03/09/21

The graph of an absolute value function f(x) = a|x| includes the point (3, 6). Complete the following statements.
Another point on the graph is?The value of a is?
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Mathematics Math Maths

03/09/21

n: 8.4 + n = 19.32
Solve for n: 8.4 + n = 19.32a.10.92b.15.78c.20.72d.27.72
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Mathematics

03/09/21

7th Grade math, what is the missing operator ?

18 ___ (-12) = 6
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Mathematics Math Algebra 1 Algebra

03/09/21

math word question
The ratio of boys to girls in the schools’ math team is six to seven. Which combinations of boys to girls could the team have?
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Mathematics

03/09/21

TRANSLATE: "Two times the sum of twice a number and seven, decreased by the sum of the number and eight, equals twenty-seven. *
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Mathematics Math Calculus Mathematica

03/09/21

Find a polar equation for the curve represented by the given Cartesian equation.
Assume  0 ≤ 𝜃 < 2𝜋y = [(√3)x]/3
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Mathematics

03/09/21

if i have a 94 and i get a 60% on an oral project that is worth 20% of my grade what will my grade be now
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Mathematics

03/09/21

Xavier missed 70 questions on his multiple choice history final and earned a grade of 65%. How many total questions were on the final exam?
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Mathematics Math Calculus Maths

03/08/21

What is the absolute max and min value?
The function f(x, y, z)=(xyz)1/2has an absolute maximum value and absolute minimum value subject to the constraint x+y+z=7 with x≥0, y≥0, and z≥0. Use Lagrange multipliers to find these values.The... more
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Mathematics Math

03/08/21

Trevor cut a right triangle out of paper that had a base of 3 3/4 inches and a height of 3 3/4 inches. What is the area of Trevor's triangle?
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Mathematics Math Algebra

03/08/21

LINEAR AND NON-LINEAR SYSTEMS OF EQUATIONS
The Botany Club wants to fence off a new garden. The perimeter of the garden is 25 feet. The length of the garden is twice the width. What are the dimensions of the garden?a) Write a system of... more
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Mathematics

03/08/21

An airplane ticket has an area of 200 square centimeters. It perimeter is 60 centimeters. What are the dimensions of ticket?
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Mathematics

03/08/21

Solve the following system of equations graphically on the set of axes below. y= -2x-7 x−y=−8
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Mathematics Math Geometry

03/08/21

There are 72 cars in a parking lot consisting of 108 cars and trucks. Find the ratio of trucks to cars.
There are 72 cars in a parking lot consisting of 108 cars and trucks. Find the ratio of trucks to cars. How do I do this?
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03/08/21

Work out what this is in mls/hour then mls/24 hours (day). Show your workings

I need help with this question
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Mathematics Sat Math Act Math

03/08/21

 For numbers 1-5, make sure that you include a pair of braces, separate each element by a comma, and NEVER use spaces for your answer and if you will answer an empty/null/void set, use {}.
Example: {1,2,3}* U : union* ∩ : intersection* - : difference* ' : complement Given for numbers 1-5 :U = {1,3,6,10,15,21,28,37,47,50}L = {1,6,10,15}O = {21,37,47}V = {1,10,21,28}E =... more
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Mathematics Statistics Sat Math

03/08/21

Urgent Statistic question
Suppose 4-year-olds in a certain country average 3 hours a day unsupervised and that most of the unsupervised children live in rural areas, considered safe. Suppose that the standard deviation... more
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Mathematics College Algebra

03/08/21

NASA launches a rocket at t = 0 seconds.
NASA launches a rocket at t=0 seconds. Its height, in meters above sea-level, as a function of time is given by h(t)=−4.9t2+184t+423.Assuming that the rocket will splash down into the ocean, at... more
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Mathematics Math Geometry

03/08/21

A quadrilateral has two angles that measure 195° and 45°. The other two angles are in a ratio of 11:13. What are the measures of those two angles?
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Mathematics Probability

03/07/21

A bag contains 12 marbles: 5 are orange, 3 are blue, and the rest are red. If one marble is selected at random from the bag, what is the probability that it will be red or blue?

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