7,221 Answered Questions for the topic Math Help
05/30/17
Z-score and standard deviation
Determine the z- score for the given value
Mean=9.3
standard deviation= 0.4
x=8.8
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05/30/17
Optimization
lite manufactures two types of light: type A is a solar-powered light; type B requires batteries. In one day, the company can make at most 55 of type A and 65 of type B. Type A requires 4 hours to...
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05/30/17
What is P(soup, beef or fish, and cherry pie)?
The panther den is offering a dinner special during october. For $5.99, you can select an appetizer, an entree, and a dessert. Harry is in charge of the inventory and wants to make sure that they...
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05/29/17
Who would consume more alcohol if one drinks a 12 pack of 8 fl oz 3.2 or one who drinks a 6 pack of 11.2 fl oz??
I just want to know how you would go about solving this
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Math Help
05/28/17
Could you help me check this answer?
(x2 - 8x - 9) ÷ (x - 3)
= x + 3 - 8/x - 3
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05/28/17
A couple plans to have 5 children. The gender of each child is equally likely. Design a simulation involving 120 trials that you can use to model the genders of
A couple plans to have 5 children. The gender of each child is equally likely. Design a simulation involving 120 trials that you can use to model the genders of the children. Write your answers as...
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Math Help
05/28/17
Could you help me?
1. 4r3/10 * 25/16r2 2. 4p + 16/5p ÷ p + 4/15p3 3. x2 + 2x - 35/x2 + 4x - 21 * x2 + 3x - 18/x2 + 9x + 18
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Math Help
05/26/17
E=〖mc〗^2 M = 3 C = 6 Solve for E
A tutor responded to my question to this earlier but what was said made no sense and I cannot get this one
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Math Help Math
05/26/17
mechanic charges $50 to inspect your heater plus $80 per hour to work on it. You owe the mechanic a total of $310.
can u please help me on this
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05/26/17
Please help me with this math question?
Circle F is intersected by HI and IJ and m∠HIJ = 101°. What is the measure of HJ?
Here's a link to the picture: http://imgur.com/a/O8pO3
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05/26/17
What is the surface area and volume of a pentagonal pyramid with a slant height of 12.5 and side length of 11?
Please help! Explain :) Thank you!!
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Math Help
05/26/17
One of the formulas for calculating the correct dosage for a child is as follows: C= a/(a+12) ∙ A C = child’s dosage in milligrams a = age of the child A = a
i am stuck
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Math Help
05/26/17
Solve for e: E=〖mc〗^2 M = 3 C = 6
never seen a problem like this
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05/26/17
Math question, please help?
The sector of a circle with a 60 mm radius has a central angle measure of 30°. What is the exact area of the sector in terms of π?
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Thank you to anyone who helps!
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05/26/17
Could someone please help me with this math question?
What is the equation of a parabola with (−2, 4) as its focus and y = 6 as its directrix?
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Thank you to anyone who helps!
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Math Help
05/26/17
The coordinates of the endpoint of diameter AB of circle G are A (1,2) and B (-7,-4) find an equation of circle G
There is a line over the AB
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Math Help
05/26/17
write in center-radius form
having the endpoints of (-5,6) and 3,0
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Math Help Math Word Problem
05/26/17
The number of gallons of water in a tank varies with respect to time
Select as few quadrants as possible that'd allow you to create a graph of the number of gallons of water in the tank as a function of time
a) quadrant 1
b) quadrant 2
c) quadrant 3
d) quadrant 4
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Math Help Math
05/26/17
Which equation of f(x) reveals the minimum or maximum value of f(x) without changing the form of the equation?
A) f(x)=2(x-2)(x+4)
b) f(x)=2x^2-4x+8x-16
c) f(x)=2x^2+4x-16
d)f(x)=2(x+1)^2-18
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Math Help Math Word Problem
05/26/17
The price of a company's stock
the price of a companys stock on a particular day is modeled by the equation y=-.5x^2 + 2x + 40, y is price of stock in dollars, x is the number of hours after the start of the business day
select...
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Math Help
05/25/17
30h+50. must not cost more than $200. charges clients half-hour intervals. most number of hours he can spend on the job?
The expression 30h + 50 represents the number of dollars a plumber is paid for the number of hours (h) spent on a job. He has been told by his client that his current job must not cost more than...
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Math Help Test Preparation
05/25/17
How do you tell the difference between translation, rotation, reflection, and dilation?
I need help for my math test.
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Math Help Word Problem Help
05/25/17
Can you solve this?
The width of a rectangle is x + 1, and the area is x3 + 2x2 - 5x - 6cm. What is the length of the rectangle?
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