6,964 Answered Questions for the topic mathematics
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...
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Mathematics Algebra 1
03/11/21
Exponential Decay Model
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...
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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.
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.
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...
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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,...
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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...
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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...
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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...
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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.
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?
n: 8.4 + n = 19.32
Solve for n: 8.4 + n = 19.32a.10.92b.15.78c.20.72d.27.72
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. *
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
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?
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...
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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?
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...
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