02/13/20

What is the critical value?
Assume that the significance level is α=0.05. Use the given information to find the​ P-value and the critical​ value(s).The test statistic, z=−1.73 p<0.8.
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12/04/19

Statistics Two-Sample t Statistic
Is there a difference in the amount of airborne bacteria between carpeted and uncarpeted rooms? In an experiment, seven rooms were carpeted and seven were left uncarpeted. The rooms are similar in... more
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11/07/19

Find an equation of the normal line to the parabola y = x^2 − 9x + 8 that is parallel to the line x − 7y = 9
my answer was 1/7x+19/2 but it was incorrect, any help is appreciated.
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11/07/19

slope of line tangent to 1/x

I am having difficulty understanding this, is the slope of a line tangent to 1/x never zero? or is this statement wrong?
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10/23/19

What is the p-value you would report for this test?
Consider a null hypothesis stating that the population mean is equal to 52, with the research hypothesis that the population mean isn’t equal to 52. Assume you’ve collected 38 sample data from... more
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04/24/19

How do I access the definite integral function on a TI-83 graphing calculator?
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03/19/19

Motivating infinite series?
What are some good ways to motivate the material on infinite series that appears at the end of a typical American Calculus II course? My students in this course are generally from biochemistry,... more
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03/15/19

What is the correct result for 16÷4× (8- 4) -1?
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03/15/19

What is the prime Factorisation 1152?
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03/15/19

How do I keep the existing value in a cell constant while adding the formula in excel?
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03/15/19

An ice cream cone costs $3 plus 6% sales tax. How many ice cream cones can be purchased for $24?
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03/14/19

What is the algorithm for finding the center of a circle from three points?
I have three points on the circumference of a circle: pt A = (A.x, A.y); pt B = (B.x, B.y); pt C = (C.x, C.y); How do I calculate the center of the circle?
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11/21/18

Find an nth degree polynomial function satisfying the given conditions
n=34 & 4i are zerosf(2)=-120
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11/21/18

Question in description Please Help.
In company X two-fifths of employees work in admin and one quarter of employees work in sales.what is the least number of employees that could work in sales?
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11/21/18

Trigonometry Word Problem
A tennis player hits an overhead smash 35ft from the net. If the ball is hit 10.5 ft off the ground and just clears the net at a height of 3 ft, how far from the net and at what angle will the ball... more
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11/20/18

Find the area of a sector of the circle with the radius 4 cm and central angle 5pi/6
Unsure how to fine the area of a sector with this given info
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11/20/18

Stuck on this question
h(x)=2x^4+7x^3+4x^2+28x-16zero = -2iI need help finding the remaining zeros with an explanation i'm stuck thanks!
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11/20/18

maria bought seven boxes. a week later half of all boxes were destroyed in a fire. there are now only 22 boxes. with how many did she start?
plz just give me the best answer u can plz
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11/19/18

Need help with these Polynomial and Rational Functions Question?
Given the function f(x)=x(x+2)^4(x-4)^4(x-2)^3(x+5)^3, list the zeros of f(x), corresponding multiplicities, and whether they touch or cross the x-axis
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10/10/18

Math question in ratios

4 gallons of white paint and 1 gallon of white paint makes pink paint. What would be the ratio to make 1 QT
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10/10/18

Enclosing playing field
You have 600 meters of fencing, and you plan to lay out two identical playing fields. The fields can be side by side and separated by a fence. Find the dimensions and the maximum area of each field.
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10/10/18

How many 3/4 cup servings are in 1/2 of a cup of milk? What is the answer in simplest form?
I am not sure whether to multiply or divide! Please help!
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10/05/18

using the numbers -4,10,8,2,-3,-5, create two expressions that equals 6.
using the numbers -4,10,8,2,-3,-5, create two expressions that equals 6.
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09/28/18

A menu of appetizers
Statics Question If a menu has a choice of 4 appetizers, 4 main courses, and 4 desserts, how many dinners are possible if each includes one appetizer, one main course, and one dessert? 64 20 32 3
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09/21/18

Candy Store Word Problem. Please help explain one part.
Doug and Steve went to the candy store. Doug bought 5 pieces of fudge and 3 piecesof bubble gum for a total of $5.70. Steve bought 2 pieces of fudge and 10 pieces ofbubble gum for a total of $3.60.... more
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