01/27/20

Solve the linear Inequality
Solve the linear inequality. Other than ø, use interval notation to express the solution set and graph the solution set on a number line.1) 5x - 4>4x - 10
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01/27/20

Find the exact value of the following under the given conditions a.cos(a-b) b.(a-b) c.tan(a-b)
cos b=5/13, 3π/2<β<2πcsc=-5/4, π<β<3π/2sum and difference identites
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01/27/20

Give the equation of the circle centered at the origin and passing through the point (0,-8)
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01/26/20

missing constant
what is the missing constant term in the perfect square that starts with x^2-8x
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01/26/20

solve 5x+2y=-1 and 3x-4y=11 using elimination
I just need help quickly solving this problem, thank you in advance
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01/26/20

Solve for v with steps
Solve for VUV+WV=XCan someone help me to solve for v with step by step instructions on how please. My mind is going blank on this and I just can't get the gears moving. I can't quite remember how... more
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01/26/20

What are the values of a, b, and c for the equation 5x- 3y= -30

I understand that a and b cannot be negative, but in the problem given they are. Could someone help explain how to find the values with them being positive. 5x-3y=-30
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01/26/20

A jeweler has 5 rings, each weighing 16 g, made of an alloy of 5% silver and 95% gold.

She decides to melt down the rings and add enough silver to reduce the gold content to 80%. How much silver should she add?I got 15g. Is that correct?
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01/25/20

Give the equation of the parabola that has a vertex at (2,-3) and a point at (1,-10/3).
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01/25/20

1) sec(40-8\deg )\cos (60-18\deg )=1 .2) cos(40-10\deg )=(1)/(sec(60-26\deg ))

find the least positive value of theta (the 0 with the line in it) for both . PLEASE EXPLAIN i do not understand it.
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01/25/20

A bicycle with 24-inch diameter wheels is traveling at 15 mi/h. Find the angular speed of the wheels in rad/min. How many revolutions per minute do the wheels make?
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01/25/20

A boat travels 2.4 miles downstream and in the same amount of time, it travels 1.8 miles upstream. if the boat travels at an average speed of 21 mph in the still water, find the current of the river.
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01/25/20

Word Problem Help

Remember that percent times the base gives the percentage, a part of the base. To calculate with a percent, change it to decimal form. An acquaintance of one of the authors was about to take his... more
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01/25/20

Math assistance
The area of a rectangle is 44 yd2, and the length of the rectangle is 3 yd less than double the width. Find the dimensions of the rectangle.
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01/23/20

I'm stuck :( Can someone help me?
Which sequence of transformations will map figure Q onto figure Q′?Two congruent trapezoids figure Q and figure Q prime are drawn on a coordinate grid. Figure Q has vertices at (-9, 2), (-6, 4)... more
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01/23/20

If sin(theta)=-4/5 and theta is in quadrant 4,the value of cot(theta) is...?
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01/23/20

A toy rocket traveling east explodes into 2 equal pieces the instant the rocket is at maximum height & 100 m east of the launch site. Both of the pieces continue to travel east. One lands 170 m...
east of the launch site. Where does the other piece land?
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01/22/20

Precalc question
A street light is 10 feet above a straight bike path. Olav is bicycling down the path at a rate of 15 MPH. At midnight, Olav is 33 feet from the point on the bike path directly below the street... more
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01/22/20

Inspection fee plus $22 per hour. A customer with a coupon for 40% off the inspection fee pays $124 for a 4-hour repair. How many hours are worked when a customer pays $126 without a coupon?
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01/22/20

How to solve this chemistry word problem?
How many water atoms are in the ocean? Assume that (a) at the top is 10% of the ocean is 17 oC and the bottom 90% is 4 oC, (b) the density of the water os 1027 kg/m3 for the top 10% and 1028 kg/m3... more
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01/21/20

How far did she travel to the appointment?
Margaret drove to a business appointment at 50 mph. Her average speed on the return trip was 40 mph. The return trip took 1/4 hr longer because of heavy traffic. How far did she travel to the... more
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01/21/20

what is the scale factor
A model car is made using a scale of 1 1/3 inches represents 8 feet. What is the scale factor?A 1/6B 1/72C 3/32D 1/12
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01/21/20

An apple a day problem

A farmer is deciding how to use each day’s harvest. She can use the harvest to produce apple cider or juice for festival in 2 weeks. The information she uses to make decision is listed.*1 bushel... more
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01/21/20

Use the power-reducing formulas to rewrite tan^2x/sin^2x in terms of the first power of the cosine
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01/21/20

A sound wave travels through iron at a rate of 5120 m/s. At what rate does the sound wave travel in km/h
I don't get it! Please Help
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