11/12/19

A coin, thrown upward at time t=0 from an office in the Empire State Building, has height in feet above the ground t seconds later given by
h(t)=-16t^2+64t+960=-16(t-10)(t+6) at what time does the coin hit the ground?
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11/11/19

Write the equation of the circle in standard from given the endpoints of the diameter: (-12, 10) and (-18, 12)
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11/11/19

What is the place value of the 9 in 17.9
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11/11/19

Ling spent $23.96 on cooking fuel for an upcoming camping trip. If she bought 4 cans of fuel, how much did she pay for each can?
I need help with my Algebra
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11/11/19

Jeff said he found three angles for which cos θ = 4/5, is that possible if 0* ≤ θ ≤ 360*? Explain.

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11/11/19

The king has 8 (different) colored flags that he uses to send coded messages to his general in the field.

The king has 8 (different) colored flags that he uses to send coded messages to his general in the field. For example, blue-green-red might mean "attack at dawn" and red-green-blue may mean... more
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11/11/19

Calculate the number of permutations of 12 items taken 4 at a time. N =

Calculate the number of permutations of 12 items taken 4 at a time.N = 
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11/11/19

In how many ways can we select 3 people from a group of 11 people and award them first through third prizes?
In how many ways can we select 3 people from a group of 11 people and award them first through third prizes?
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11/11/19

2 tracking stations on Earth 15km apart, measure the angles of elevation of a rocket. From Station B, the angle of elevation is 38° & from Station A it is 74°. Find the height of the rocket

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11/11/19

A triangular lot sits at the corner of two streets that intersect at an angle of 64°. One street side of the lot is 115 ft, and the other 128 ft. How long is the back of the lot?
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11/11/19

algebra 1 answer
As a nurse, part of your daily duties is to mix medications in the proper proportions for your patients. For one of your regular patients, you always mix Medication A with Medication B in the same... more
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11/11/19

Give the equation of the circle centered at the origin and passing through the point (-9,0)
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11/09/19

teddy had 181 dollars to spend on 8 books. After buying them had 13 dollars. How much did each book cost
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11/08/19

-5sin^2(t)-4cos(t)=-4
-5sin^2(t)-4cos(t)=-4 Find all solutions to equation below in the interval [0,2pi)
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11/08/19

Trig Applied Problems
From a point P on level ground, the angle of elevation of the top of a tower is 25°40'. From a point 28.0 meters closer to the tower and on the same line with P and the base of the tower, the angle... more
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11/08/19

What are the value of the variables?
The number of households with cable TV service in a certain community, N, begins at only 55 households and has seen a fivefold increase every 17 years. Give the constants a, b, and T so that N is... more
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11/08/19

what is 2x+x-4y
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11/08/19

Find all angles θ between 0° and 180° satisfying the given equation.

Find all angles θ between 0° and 180° satisfying the given equation. Round your answer to one decimal place. (Enter your answers as a comma-separated list.) cos(θ) = − 2/7 θ = ???
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11/07/19

Find: 2b+8's coefficient by factoring out.
Many people say its 2, but the website I'm solving it on says 2 is incorrect. Help?!?!?!
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11/07/19

Find: 2b+8's coefficient by factoring out.
Many people say its 2, but the website I'm solving it on says 2 is incorrect. Help?!?!?!
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11/07/19

The surface area of a large cube is 5400 cm squared.
This cube is then cut into many identical smaller cubes. Each smaller cube has a volume of 216 cm cubed. How many smaller cubes are there?
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11/07/19

find the domain(everything that has a space in betwen them means its a seperate problem
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11/07/19

Finding the height using angles
What is the height of a right triangle when the hypotenuse is 1 and the angle is 2.11 degrees? How does the math work using the cosine of the angle? I am hitting a blank and none of my math is... more
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11/07/19

Please solve this asap: 3/4 - 12/7 / 12/21 +4/5
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11/07/19

The Sum of 2 numbers is 9 & their difference is 7. What are the 2 numbers
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