03/05/20

Graph the equation to show one rotation of a Ferris Wheel
The equation h(t)=30cos π/10+50 has three parts in my book yet I don’t know where to begin!A: graph the equation to show one complete rotation and label the Period, Midline and AmplitudeB: What is... more
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03/05/20

How do I solve this system of questions?
The length of a rectangular garden is four more than three times the width, if the perimeter of the garden is 104 feet, then what are the dimensions?
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03/04/20

How long will it take for the two trains to meet?
two trains leave stations 360 miles apart at the same time and travel toward each other. One train travels 80 mph while the other one travels at 70 mph. How long will it take for the two trains to... more
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03/04/20

Equation by substitution
5.) A 50 gallon barrel (full) contains an unknown alcohol solution from the 17 hundreds. Per the old incomplete records this solution was achieved by mixing 30 gallons of a 100% solution with a 75%... more
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03/04/20

How do I solve f (x) = |x-5|
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03/04/20

Geometry help asap please it's easy
If CA denotes the circumference of ⨀A and CB denotes the circumference of ⨀B, which equation is true?Segment d1 is a diameter of ⨀A and segment d2 is a diameter of... more
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03/04/20

Circle A has a radius of 4 and arc BD has length of 6.5. Circle C is a different circle with radius 6 and arc EF. Angle ECF is congruent to angle BAD. What is the length of arc EF?
I really need help cuz if I don`t know the answer I will fail. Please help me please.
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03/04/20

increase in price percentage
in 1990, the cost of u.s. postage stamp was 25 cents. in 2010, the cost of a u.s. postage stamp was 44 cents. in 20 years what was the percentage of increase in the cost u.s. postage stamps
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03/04/20

Solve trigonometric equation by using the algebra technique, trig Pythagorean identities, inverse trig functions, and knowledge of the unit circle

solve 2 sec x -4 = 0 for all radian values of x find the solutions of cos x + 1 = - cos x in the interval [ 0, 2 pe] solve 4 sin2 x -3 = 0 for all degree values of x solve sin x cos x = 3 cos x... more
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03/04/20

Which of the four planes was hijacked first during 9/11
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03/04/20

Multiply and simplify

(cot x+1)^2 = simplify the answer
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03/04/20

A 10-meter vertical pole casts a shadow of 10 square roor of 3 meters. What is the angle of elevation of the sun from the ground?
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03/04/20

Find the length of an inclined plane that will reach a 6-meter high platform at an angle of 30 degrees.
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03/04/20

Find the height of the tree if, from a point 12 meters from its base, the angle of elevation to the top is 45 degrees.
If the angle formed by light beans to A and B is 150, what is the distance line AB between the coast guard station and the hospital?
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03/03/20

it cost $9 for 4 hot dogs what is the price for 1 hot dog
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03/03/20

help with stats hw
A standard deck of cards contains 52 cards. One card is selected from the deck. ​(a) Compute the probability of randomly selecting a five or seven. ​(b) Compute the probability of randomly... more
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03/03/20

How much time can be saved in traveling from Charlottesville to Roanoke at the new speed limit? Convert your answer to minutes.
For many years, the posted highway speed limit was 88.5 km/hr, but in recent years, some rural stretches of highway have increased their speed limit to 104.6 km/hr. In the state of Virginia, the... more
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03/03/20

H(t)=-16t^2+7744
A thermometer falls from a weather ballon at a height of 7,744 ft. If the equation for the height as a function of time is h(t)=-16t^2 + initial height where t is time in seconds and h(t) is height... more
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03/03/20

I’m having Trouble figuring out this question about ratios.
In a Cafeteria, The ratio of Girls to Boys is 4:3. when 4 girls leave, The Ratio of girls to boys is 11:9. How many girls were in the Cafeteria Originally?
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03/03/20

Math word problem

If 6 liters of a 5% vinegar solution is mixed with x liters of a 30% vinegar solution, the result is a 25% vinegar solution. How many liters of the 30% vinegar solution were mixed?
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03/03/20

Hulian is 14 years older than Thomas, the sum of their ages is 64. what is Thomas's age?
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03/02/20

Application problem
Kathy spent 3 fifths of her money on a necklace and 2 thirds of the remainder on a bracelet. If the bracelet cost $17, how much money did she have at first?
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03/02/20

Kim and Bill share a 18-ounce box of cereal. By the end of the week, Kim has eaten 1 6 of the box, and Bill has eaten 2 3 of the box of cereal. How many ounces are left in the box?
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03/02/20

the product of a number and the sum of the number and five is eight
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03/02/20

The perimeter of a rectangular stage is 202 feet. The length of the stage is 11 less than 3 times the width of the stage. What is the width of the stage?
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