McKenna Louise

A cylindrical tank could hold 100.48m^3 of water. If the height of the tank is 2m, what is the radius of its base?

12 years ago

To save a woman from a building, a fireman placed a 12-meter ladder against the wall. The foot of the ladder was 2 meters from the wall. What was the location of the woman?

12 years ago

What length will Jem swim diagonally if she wish to reach the opposite corner of a15-meter pool which is square in shape?

12 years ago

If Noah made skid marks of 350 ft long after a car accident, was he overspeeding before the event?

12 years ago

What is the period of the pendulum if its length is 2ft?

12 years ago

Write an equation for the given: "f varies inversely as m and f is 32 when m is 0.2." Also, find f is m = 4.

12 years ago

Bracy would like to form a right triangle our of her wooden sticks. She cut the first stick of the length 6 inches and the second stick of the length 4 inches. What should be the length of the third stick to make sure she will be able to form a right tria...

12 years ago

If h^2 = 40000 j^8, then the principal root of h is _____.

12 years ago

If a man wewighs 41 newtons (N) on the surface of the earth while he weighs 81.5N on the surface of the moon, approximately how much lighter is he on the moon? What would be his weight on the surface of the earth if he weighs 90 N on the surface of the mo...

11 years ago

The pressure of a gas varies directly as its temperature. IF the pressure of a gas is 200 pounds per square inch (lb/in^2) at a temperature of 65.5 degrees C, what is the pressure of the gas when the temperature is 250 degrees F?

11 years ago

Use the following verbals according to the functions provided. 1. scanning as a predicative nominative 2. polluting as a participle 3. to exaggerate as an appositive 4. composing as an indirect object 5. to demonstrate as a predicative nominative

11 years ago

1. The area of a square varies directly as the square of its side. If the side is halved, what would be the effect on its area? 2. If y varies directly as the square of x, what will happen to y when x is tripled?

11 years ago

A car takes 3 hours to travel a distance of 240 km with a speed of 80 km/h while a motorbike can cover the same distance in 4 hours if its travels at a speed of 60 km/h. Explain why the speed and the time it takes for the vehicles to travel a certain dist...

11 years ago

1. The force (in Newtons) applied to an object varies jointly as its mass and acceleration. How much force is needed to accelerate a 25 kg object by 3 m/s^2? 2. The potential energy of an object varies jointly as its mass and height from the ground. If th...

11 years ago

1. Find the altitude of an isocles triangle having base 184.2 cm if the angle opposite the base is 68deg 44' 2. A 13.5m fire truck ladder is leaning against a wall. Find the distance d the ladder goes up the wall (above the top of the fire truck) if the l...

11 years ago

1. Given that points S and R on opposite sides of a lake, triangle SRT is formed. To find the distance RS across the lake, a surveyor lays off RT = 53.1 m, with angle T = 32deg 10' and anagle S = 57deg 50'. Find length RS.

11 years ago

If a varies inversely as b, and b is increased by 50%, what is the percentage of change in a?

11 years ago

1. From a point 15m from the base of a tree, the angle of elevation of the top of the tree is 46.48degrees. Approximate the height of the tree. 2. From a point 17.2m from the base of a building, the angle of elevation of the top of the building is 73.5deg...

11 years ago

A helicopter hovers 105 m above the end of an island. If the angle from the helicopter down to the other end of the esland is 13deg30', find the length of the island.

11 years ago

1. When you look down from the top of a building at an angle of 63degrees, you will see a man reading a newspaper. If the building is 50m high, how far is the man from the building? 2. A plane takes off at an angle of 15deg20'. How high will it have risen...

11 years ago

1. To avoid a steep descent, an airplane flying at 10 000 m starts its descent 60km away from the airport. For the angle of descent to be constant, at what angle should the plane descend? 2. A flagpole that is 20m high casts a shadow that is 18m long. Wha...

11 years ago

Hi! Can you please re-check my answers. Mt teacher said some of them are not right but when I do it again, I still come up with the same answer. This is about Variations. Thanks! 1. What kind of variation equation is a=kbcd --> my answer is joint variatio...

11 years ago

1. What is the base of a triangle if its area is represented by 3z^2+ √5z mm^2 and its height is z − √3 mm? 2. What will happen to the area of a rectangle if you do the follo+wing? a. multiply the length by 2 and use the same width b. multiply the width b...

11 years ago

(Engineering) The current / varies as the electromotive force E and inversely as the resistance R. If in a system, a current of 20A flows through a resistance of 20 ohms with an electromotive force of 100V, find the currect that 150V will send throu+gh th...

11 years ago

1. The sum of the ages of James and Remy 5 years ago was 44. Twenty-two years from now, James' age will be 52 less than twice3 Remy's age then. Find their present ages. 2. Two numbers have a sum of 41. Their difference is 5. What are the numbers? 3. The p...

11 years ago

True or false. 1. The system (2x - y = 3) and (x + 3y = 5) is consistent and independent. 2. There are infinitely many solutions to the system (2x - y = 3 and y = 2x + 5).

11 years ago

Ayie is 7 years older than Luis. Next year, she will be one year more than twice as old as he will be. How old is she now?

11 years ago

1. ABC Feeds has two different types of cattle feed containing crude protein in the amount of 45% and 20% respectively. How many of each type must a feed lot manager mix together to obtain 10 000lbs of a mixture that is 25% protein? 2. Meg has a solution...

11 years ago

Meg has a solution that is 40% alcohol and another solution that is 60% alcohol. If Meg wants 12 gal of a solution that is 45% alcohol, how much of the two solutions must be mixed?

11 years ago

Martina and Carl are part of a team that is studying weather patterns. The team is about to launch a weather balloon to collect data. Martina's rope is 7.8 m long and makes an angle of 36.0 deg with the ground. Carl's rope is 5.9 m long. Assuming that Mar...

11 years ago

How much water must be added to an 80% acid solution to make a mixture of 50mL which is 70% acid?

11 years ago

How much pure acid must be added to a 30% acid solution to make a 60L solution which is 50% acid?

11 years ago

What familiar formula can you obtain when you use the third form of the Law of Cosines c^2 = a^2 + b^2 - 2ab cos C and you let C = 90deg? What is the relationship between the Law of Cosines and this formula?

11 years ago

Use the law of cosines to show that the measure of each angle of an equilateral triangle is 60deg. Explain your reasoning.

11 years ago

Explain why we cannot solve an oblique triangle with the Law of Sines given SAS.

11 years ago

Why cant we solve an oblique triangle with the Law of Sines if we are given SAS?

11 years ago

Using the Law of Cosines, how can I show that the measure of each angle of an equilateral triangle is 60 degrees?

11 years ago

If an observer stands at a certain point in the same horizontal plane as the base of a radio tower. the angle of elevation of the top of the tower is 13deg 15'. If the observer moves 156.25 feet towards the tower, the angle of elevation is 18deg 10'. Find...

11 years ago

Lighthouse B is 7 miles west sof lighthouse A. A boat leaves A and sails 15 miles. At this time, it is sighted from B. If the bearing of the boat from B is N62degE, how far from B is the boat?

11 years ago

Nick budgets from 300 pesos to 900 pesos for trees and/or bushes to landscape his yard. After shopping around, he finds that good trees cost 150 pesos and mature bushes cost 75 pesos. What combination of trees and/or bushes can he afford to buy?

11 years ago

find the value of x in x^2-x-12=0

11 years ago

Verify the given equations: ____1______ + ____1_______ = -2 tanθ tanθ – secθ tanθ + secθ 1 – sinθ = sec2θ – 2 secθ tan θ + tan2θ 1 + sinθ

11 years ago

Prove the following: 1/(tanØ - secØ ) + 1/(tanØ + secØ) = -2tanØ (1 - sinØ)/(1 + sinØ) = sec^2Ø - 2secØtanØ + tan^2Ø

11 years ago

Thank you so much Jai. You explained it very well:)

11 years ago

Thank you so very much :)

11 years ago

Thanks much :)

11 years ago

Thanks to the both of you for helping.

11 years ago

The answer I got was 9 gal of the 40% alcohol solution and 3 gal of the 60% alcohol solution is needed. Am I right?

11 years ago

Thanks to the both of you :)

11 years ago