07/13/21

You are planning a radio tower installation.

you are planning a radio tower installation. The tower will be 100 feet tall, and it must be supported by four guy-wires that make an angle of at least 20 degrees at the top of the tower. how far... more
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07/12/21

What’s the answer

At a concession stand, three hot dogs and four hamburgers cost $10.75; four hot dogs and three hamburgers cost $10.25 . Find the cost of one hot dog and the cost of one hamburger.
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07/11/21

Please solve this problem

A furniture company makes large and small chairs. A small chair takes 20 minutes of machine time and 60 minutes of labor to build. A large chair takes 50 minutes of machine time and 90 minutes of... more
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07/11/21

Can you please explain this problem with the answer

On Monday Harold picked up four donuts and two large coffees for the office staff. He paid $4.74. On Tuesday Melinda picked up two donuts and five large coffees for the office staff. She paid... more
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07/11/21

Straight line has gradient - 3 and passes through the point (1,2)
Given that the line passes through the point (-1,k),find the value of k
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07/11/21

Find all solutions to cos ( 7 θ ) − cos ( θ ) = sin ( 4 θ ) on 0 ≤ θ < 2 π 3

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07/11/21

Write the product as a sum or difference: 12 cos ( 24 q ) cos ( 18 q )=
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07/11/21

f ( x ) = − 4.5 sin ( x ) − 4.6 cos ( x ) . What is the maximum and minimum value of this function?
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07/10/21

Find the rate of the revunie given a function and a point:
The monthly revenue function for a company is: R(x) = 1000x(-0.25x^2+7.5x+18.75)The revenue is in dollars, where x represents the number of thousands of products produced. This revenue model... more
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07/10/21

(4 ( cos 2π/3 +i sin 2π/3 ) )^4
(4 ( cos 2π/3 +i sin 2π/3 ) )4
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07/10/21

Find the product z1/z2

z1 = 5(cos 170°+i sin170°) and z2=7(cos 140°+i sin140°)
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07/09/21

What is an exponential function when it's graph doesn't cross the y axis

What is an exponential function when it's graph doesn't cross the y axis
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07/03/21

Alex is 1.75 m tall, Martin is 1.85 m. By how much percent Martin is taller than Alex
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07/02/21

Math plz help me and show how you got your answer

Sarah wanted to catch Jim. However, although they started at the same time, Jim traveled at 80 km/h and Sarah traveled at 120 km/h. How much of a head start did Jim have if it took three hours for... more
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07/02/21

Math plz show how you got your answer thanks

At midnight, two ferries that were 800 miles apart started travelling directly towards each other, but one ferry was travelling 40 mph faster than the other. Sadly, at 8 a.m., they collided. What... more
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07/02/21

How would I write this as a sum or difference?
Cos x/2 cos 3x/2I know I would use one of the products to sum or sum to product formulas. however I don't know which one to use nor how I would use it in this problem. Thank you.
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07/01/21

Car Talk Question: Height of fill line of cylindrical gas tank
I remember hearing about this question from Car Talk and don't remember how to find the answer.The gas tank on a truck is a horizontal cylinder. A driver wants to mark the circular face of the tank... more
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06/30/21

If 7 times a number decreased by 12 is 18 more than five times that number, find the number
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06/30/21

can someone tell me the right answer
what the the equation of the line that’s is parallel to the line y=-1/3x+4 and passes through the point (6’5)
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06/29/21

Along with the image below, Use your knowledge of the unit circle and radian measure of angles to answer the following questions
a. Consider circles 1 through 6. If these circles are equally spaced around the main circle, and circle 1 is at 0°, what is the direction (in degrees) of each of these circles in relation to the... more
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06/29/21

find sin t and cos t from tan t
if tan t= (2x-1)/x find sin t and cos t. assume both are positive.
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06/28/21

Quadratic function

The quadrate function f (x ) has vertex (1.8, 21); f(x) = A * x ^ 2 + 14.4x + c what are numerical values of A and C
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06/28/21

Point-Slope Form
(-6,3) and (4,3) are on the line. Write in point-slope form
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06/26/21

How do I exactly solve this word Problem?
A zircon (a mineral common in igneous rocks) sample contains 3,500 atoms of radium. If the half-life of radium is 1,620 years, how many atoms will be present after 345 years? It's from my Calculus... more
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06/26/21

Help me Solve this!
Due to the effects of COVID-19 pandemic in our country, a certain restaurant’s annual profit went down from $980,000 in 2018 to $840,000 in 2020. If the profit continues a pattern of exponential... more
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