03/08/20

equations in 7th grade math
One of two supplementary angles is 112 degrees. Let x = the measure of the other supplementary angle. Write and solve an equation to find the measure of angle x.
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03/08/20

Math problem for quiz

If m< 1 = X and 90 < x < 180, then < 1 is an?a. Acute angle b. Right angle c. Obtuse angle d. Straight angel
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03/08/20

Making sure I got the right answer

If two lines intersect, any two adjacent angles formed are?
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03/08/20

Earth Geometry circumference of the latitude
Calculate the circumference of latitude 60°South as a percentage of the circumference of the earth take R=6370km
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03/08/20

Multiple choice: Type of data
Data on the number of home runs hit by each of the thirty Major League Baseball teams over the period of a month should be considered as:A). Discrete and Cross-SectionalB). Discrete and... more
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03/08/20

Precalc question
Charlie and Alexandra are running around a circular track with radius 60 meters. Charlie started at the westernmost point of the track, and, at the same time, Alexandra started at the northernmost... more
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03/08/20

precalc question
Shirley is on a ferris wheel which spins at the rate of 3.2 revolutions per minute. The wheel has a radius of 45 feet, and the center of the wheel is 59 feet above the ground. After the wheel... more
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03/07/20

Use a calculator to find sin ^-1 (0.3536) in radians and degrees
sin^-1(-0.3536) round the answer to 4 decimal places as needed.
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03/07/20

discuss continuity of a function
g(x)=[[x]]+[[5-x]] at a=4
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03/06/20

Two circles of radius 8 are tangent to the graph of y2 = 4x at the point (1, 2). Find equations of these two circles. (Enter your answers as a comma-separated list.)
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03/06/20

Calculus Question
Perform the indicated operation and give each result with the proper number of significant digits. 5.20 + 4.80 =1. 10.002. 10.03. 104. 10.000
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03/06/20

Pre-calc Question
Find the angle Ø to the nearest minute: sin Ø = 0.16551. 9° 32' 2. 9° 38' 3. 9° 39' 4. 9° 31'
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03/06/20

Calculus 2 rotation question
Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis.y=18x-2x^2y=0about the y-axis
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03/06/20

How do I solve this using polynomials and how would I solve this without polynomials and how do I know what operations to use?

The area of a rectangle is twice the area of a square. If the rectangle is 6 inches long, and the width of the rectangle is the same length of the side of the square. Find the dimensions of both... more
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03/06/20

4th grade word proble
Melissa read a number of books. Diego read three times as many books as melissa. If together they read 48 books, how many books did Diego read? Show and solve equation
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03/05/20

Is This The Correct Answer?
Add: -3∠-125° + 7∠115°(A) -1.24 R + 8.80 U(B) 3.89 R - 4.68 U(C) -4.68 R + 8.80 U(D) 0.15 R + 1.73 U(E) None of the aboveFor this I got; (A) -1.24 R + 8.80 U. Is this correct?
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03/05/20

The radius of a circular oil spill after t minutes is given by r ( t ) = √ 16 t . Find the instantaneous rate at which the radius is growing after 30 minutes.
Give your answer as a decimal approximation with at least 3 decimal places.
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03/05/20

Physics Power question

How much power does it take to get ten 100 kg skiers up along a 40 m ski slope in 2 minutes?
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03/05/20

Math word problem
A particular system is composed of four machines: A, B, C, and D. The entire system will work as long as any one (or more than one) of the four machines works. (With back up). P(A works) = 0.60P(B... more
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03/04/20

Physics Work Questions
9.A sled is pulled with a rope at an angle of 23° above the horizontal. The tension on the rope is 47 N. How much work is done to move the sled horizontally 5.0 m?10. A girl pulls a wagon along a... more
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03/04/20

Find the probability of not rolling a sun of 5
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03/04/20

Math trig functions

The cruising altitude of an airplane is 22,500 feet and begins its design at an angle of depression of 20°. Find the distance that The plane travels along it’s dissent.
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03/04/20

What do the 6 and the 2 represent in this equation?
Shane gives a thumbs up to 6 of his friends. The next day, each of those friends gives a thumbs up to 2 other friends. The day after that, each person who received a thumbs up on the previous day... more
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03/03/20

prove the identity
prove sin^4(y)-cos^4(y)= 2sin^2(x) -1 i think you would start on the left hand side but im not sure how to start or why the varibles change. thanks in advance for the help!
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03/03/20

A gas has a pressure of 2.92 atm and occupies a volume of 5.5 L. If the gas is compressed to a volume of 2.61 L, what will its pressure be, assuming constant temperature? Answer in units of atm.
i need help i can't get it
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