03/14/19

Cholesterol levels are measured on a random sample of 1k people. A second survey was repeated in the same population, but the sample size tripled to 4k. What happens to the standard deviation?
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03/13/19

A sphere and a right cylinder have the same radius and volume. The cylinder has a height of 3 inches. Find the radius.
HELP djhfhjhhhhhhhhhhhhhhhhhhhhh
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03/13/19

How can I solve this math question: "The length of a rectangle is three times more than twice the width, and the perimeter is 36 inches. What is the area of the rectangle?"
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03/12/19

The mean for your data set is 24. The standard deviation is 4.2. What is the z-score for 18?

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03/11/19

Find the eaquation

Dire subscribes to an internet service on her first bill she was charged $16.20 for 18 hours and on her second bill she was charged $17.75 for 23 hours of service? Find the eaquation and graph
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03/10/19

The volume of a cylinder is given by the formula V= πr(to the second power)h. Find the height h if the volume is 56 cubic feet, the radius is 7/11 and π is 22/7
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03/05/19

What is the slope of the line x= -7
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03/05/19

suppose a researcher test a new method of pasturization on a strain of bacteria in his laboratory. The bacteria are killed at a rate of 8^9 per sec, how many bacteria will be killed after 8^2 sec?
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03/01/19

Use a double-angle formula to rewrite the expression. 5 − 10sin^2(x)
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03/01/19

Sat/act practice

Jason worked 20 hours at $5 per hour and 30 hours at $6 per hour. What was his average hourly wage?
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02/27/19

Emily can walk 3/4 of a mile in 1/4 of an hour at this same rate how long does it take Emily to walk 1 mile
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02/27/19

Sin(A-B)/cos Acos B=tan A- tan B

Establish The identity is true by transforming one side to the other side. Be sure to show all steps and to put each step below previous step.
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02/26/19

Find 3 coordinates of a line with a slope of 3/4
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02/24/19

How do I solve this?

Let P = (5, 12) be a point on the terminal side of a standard position angle α. Find the exact values of the six trig functions of α: sin α csc α cos α sec α tan α cot αHow do I find r?
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02/19/19

Janet is buying a $28 necklace the store reduces the price by 20% and then applies a $2 off coupon how much will Janet pay for the necklace
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09/20/18

What is the probability of tossing a coin three times and it landing heads up two times?
A coin that flips 3 times and gets 2 heads
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09/10/18

Find the probability of no successes in six trials of a binomial experiment in which the probability of success is 30%. Round to the nearest tenth of a percent
Binomial Distribution 
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03/16/18

WX is 4 more than twice the length of XY
In a parallelogram WXYZ, WX is 4 more than twice the length of XY.  The perimeter of WXYZ is 50cm  find the lengths of WX and XY 
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11/20/17

Proof: Given: Segment AC is a bisector of segment BD; ∠BCA ≅ ∠DCA Prove: ∠ABC ≅ ∠ADC
Segment AC is a bisector of segment BD; ∠BCA ≅ ∠DCA Prove: ∠ABC ≅ ∠ADC   Please help, this is due tomorrow! And thank you
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12/11/16

State the third congruence that must be given to prove that △ABC △XYZ using the indicated postulate or theorem. - Show Work & Explain
Given <A ≅ <X <B ≅ <Y     Method AAS Congruence Theorem
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04/19/16

You are 32.6 ft away from the base of a building. The building height is 22 ft.What is the angle measurement from the ground where u are standing to the top..
of the building?? 
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