08/04/20

Find the area of the shaded figure, rounded to two decimals. (Assume x = 1 and y = 4.)
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08/02/20

rewrite the expression log2^x+3log2^y-4log2^z
my answer is log2 1x1^3 --------------- 1^4Although i am marked wrong could anyone explain what im doing wrong plz
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07/31/20

Trigonometry question
You throw a ball at an angle of 50º, and with an initial speed of 25 ft. per second. How far does the ball travel?
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07/29/20

Radioactive Decay Model
The half-life of strontium-90 is 28 years. How long will it take a 30-mg sample to decay to a mass of 24 mg? (Round your answer to the nearest whole number.)Radium-221 has a half-life of 30 sec.... more
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07/27/20

I need these plz
A pet supply company wants to find out how satisfied their customers are with their service and inventory.Assume that a survey was conducted of 500 people and 472 customers said that they were... more
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07/24/20

If the population in 1996 was 5235, what was the population in 2000? What will it be in 2020?
The population of a town is growing at the rate of 7% per year. If the population in 1996 was 5235, what was the population in 2000? What will it be in 2020?
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07/23/20

This is sort of a general question
I'm wondering, is it possible to tell whether a triangle circumscribed in a circle, can we identify whether it is an isosceles right triangle without ever knowing any side lengths or other angles... more
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07/23/20

A circle is given by the equation x^2+10x+y^2-8y=40. Determine the center and length of the radius
New to these types of problems.
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07/23/20

I have the answer, but I’m pretty sure it’s wrong
Please walk me through this the steps and give me a right solution:A pentagonal pyramid has a lateral area of 300 in2, where the perimeter of the base is 40 in. Determine slant height.
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07/19/20

Find the area of the regular polygon.

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07/17/20

Please help me solve this
A car wheel has a 16inches radius. Through what angle does the wheel turn when the car rolls forward 3ft
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07/17/20

At the beginning of an experiment, a scientist has 212 grams of radioactive goo. After 120 minutes, her sample has decayed to 6.625 grams.
What is the half-life of the goo in minutes? Find a formula for G(T) to amount of goo remaining at time t. G(T)=How many grams of goo will remain after 35 mins?
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07/17/20

The half-life of Palladium-100 is 4 days. After 16 days a sample of Palladium-100 has been reduced to a mass of 6 mg.
What was the initial mass (in mg) of the sample?What is the mass 8 weeks after the start? 
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07/16/20

Geometry problem I do not understand how I will have different dimentions and what the configuration is
Many real-world problems involve the idea of optimization. For example, if I need to buy fencing to create a 250,000 square foot enclosure (almost 6 acres) for my horses but I want to spend the... more
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07/15/20

Polygons (Finding Area)
Find the area of a regular octagon with a radius 4 centimeters.Area = 1/2 (Apothem(Perimeter))Area= 1/2 (4(Perimeter)I think I am erroneuosly leaning on a formula that does not seem to work unless... more
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07/12/20

What is the 12th term of the sequence
X: 1, 2, 3, 4, 12Y: 12, 22, 32, 42, ?
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07/12/20

What is the 25th term of the sequence?
X: 1, 2, 3, 4, 25Y: -5, -1, 3, 7, ?
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07/09/20

Co-Ordinate Geometry (Circumcentre)
When solving, is there certain points to use to get the correct answer ti find the circumcentre of a triangle with given vertex points? Say for example, point A is (0,0), point B is (4.0) and point... more
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07/07/20

Need help understanding a problem.

In ∆RST, R is a right angle. If cos T =12/13, determine cos S.
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07/07/20

Evaluate the expression under the given conditions. sin(θ − ϕ); tan(θ) =  3 4 , θ in Quadrant III, sin(ϕ) = −  3 10 10 , ϕ in Quadrant IV

Please help with steps. I don't even know where to begin. Thank you :)
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07/06/20

Write the slope-intercept form of the equation of the line described.
Through: (2,3), perpendicular to y=-2x-5. Please explain all steps, I have no idea where to even begin.
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07/06/20

sum -to-product to rewrite the following expression as a product sin(𝜋 + 𝜃) + sin(𝜋 − 𝜃)
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07/06/20

use the following information to determine sin2x, cos2x, tan2x, tanx= -3, cos x is positive
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07/05/20

How to solve this double absolute inequality?
Hi, can you help me solve this? |x-1/2| > |1/2x-2|
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07/04/20

Finding Radius and Central Angle "in terms of pi"
I do want to first thank those that helped with this concept, though importantly, I am trying to understand how to solve such a problem "in terms of pi". Here are 2 problems:1.Arc Length= 38Central... more
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