10/15/19

Math problem for 7th grader
The residents of a city voted on whether to raise property taxes. The ratio of yes votes to no votes was 5 to 6. If there were 5951 total votes, how many yes votes were there? 
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10/15/19

circle and radius
The points ​(−6​,−2​) and ​(3​,6​) are the endpoints of the diameter of a circle. Find the length of the radius of the circle.
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10/15/19

125% of what number is 63?
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10/15/19

What is the slope of a line perpendicular to y = 2/5x + 3?
What is the slope of a line perpendicular to y = 2/5x + 3? m = 2/5m = - (2/5)m = 5/2m = - (5/2)
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10/15/19

Which of the following points is the correct vertex for the parabola f(x) = (x − 5)^2 + 6?
Which of the following points is the correct vertex for the parabola f(x) = (x − 5)2 + 6? A. (5, 6)B. (-5, 6)C. (5, -6)D. (-5, -6)
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10/14/19

Bob left home, riding his bike at a rate of 10mph to go to the lake. Cheryl, his wife, left 45 minutes later, driving her car at a rate of 25mph. How long will it take Cheryl to catch up to Bob?
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10/14/19

COMPUTING A PERCENT MIXTURE
Suppose 6 quarts of pure antifreeze is mixed with 14 quarts of a solution that is 35% antifreeze. How many quarts of antifreeze are in the resulting mixture? What percentage of the resulting... more
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10/14/19

A particle is moving along a hyberbola xy = 12. As it reaches the point (6,2), the y-coordinate is decreasing at a rate of 3cm/s. How fast is the x-coordinate of the point changing at that instant?
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10/13/19

if yln(x) + xe^y = 1 dx/dt = 5 fin dy/dt when (x,y) = (1,0)
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10/12/19

Math that i dont understand

The senate in a certain state is comprised of 55 republicans, 41 democrats and 4 independents. How many committees can be formed if each have 3 republicans and 2 democrats
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10/10/19

Question in description
Deluxe coffee is to be mixed with regular coffee to make at least 4242 pounds of a blended coffee. The mixture must contain at least 99 pounds of deluxe coffee. Deluxe coffee costs ​$66 per pound... more
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10/10/19

Homework. The question is in the description.

An animal feed to be mixed from soybean meal and oats must contain at least 120120 lb of​ protein, 1818 lb of​ fat, and 1010 lb of mineral ash. Each sack of soybeans costs  $ 15$15 and contains... more
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10/10/19

find g(x), where g(x) is the translation 5 units right of f(x) =x
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10/10/19

If y varies directly as x and y=30 when x=15. What is the value of y when x=10? Your answer
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10/09/19

Write the equation of a line that is parallel to y=-6x+2 that passes through the point (-2,-3).
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10/09/19

A cube of metal measures 3 cm on each side. It has a mass of 216 g. What is the density of the metal?
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10/09/19

Trigonometry Problem and Periodic Functions
Tides can be modeled by periodic functions. Suppose high tide at the city dock occurs at 2 A.M at a depth of 38 meters and low tide occurs at 9 A.M at a depth of 18 meters. A) Graph one cycle then... more
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10/09/19

Estimate the distance traveled over the next quarter-second and explain how this is an application of the Linear Approximation
At a certain moment, an object in linear motion has a velocity 100m/s.
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10/08/19

If a ball has a pressure of 1 bar inside and another ball has a pressure of 2 bar with the same radius then both ball are deep inside water then which ball will come first outside the water?
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10/08/19

Please explain how to solve this problem
A point P is moving along the line whose equation is y=2x. How fast is the distance between P and the point (3, 0) changing at the instant when P is at (3, 6) if x is decreasing at the rate of 2... more
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10/08/19

I need a moth problem to be solve
Write an equation of the line that has slope of 3 and passes through the point (4, –2).
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10/08/19

Energy input of a pulley system
A pulley system is used to raise a 30 kg load upwards at a steady rate. The energy input to the system is 1000 J every second and the efficiency of the system us 50% (that is, half the energy input... more
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10/08/19

What is the derivative of g(x) = (cos x)^4?
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10/08/19

a worm moved 8 inches in 5 seconds. how many miles per hour is this?
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10/08/19

Let the function P=f(t) denote the pressure in pipe at time t minutes. Find a possible formula for the function P=f(t) described above. Remember to use t as your input variable.
The pressure  (in pounds per square foot), in a pipe varies over time. Two times an hour, the pressure oscillates from a low of 80 to a high of 210 and then back to a low of 80. The pressure at... more
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