07/28/20

A mouse is trapped in a maze. To find his way out, he walks 15m, makes a 90 degree left turn, walks 8 meters, makes another 90 degree left turn, and walks 10 meters.
A mouse is trapped in a maze. To find his way out, he walks 15m, makes a 90 degree left turn, walks 8 meters, makes another 90 degree left turn, and walks 10 meters. What is the magnitude of the... more
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07/28/20

the engines of a plane are pushing it due north at a rate of 300 mph, and the wind is pushing the plane 20 degrees west of north at a rate of 40 mph. what is the magnitude of the resultant vector
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07/28/20

Exponential Equations 25
The half-life of Radium-226 is 1590 years. If a sample contains 200 mg, how many mg will remain after 1000 years?___   mg
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07/28/20

Exponential Equations 23
A house was valued at $120,000 in the year 1995. The value appreciated to $145,000 by the year 2002. Use the compund interest formula S=P(1+r)tS=P(1+r)t to answer the following questions.A) What... more
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07/27/20

Degrees and angles
The proper angle for a ladder is about 75 degrees from the ground. Suppose you have a 15 foot ladder. How far from the house should you place the base of the ladder? Round to the hundredths. (2... more
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07/27/20

Degrees and Distance
The angle of elevation to the top of a Building in New York is found to be 5 degrees from the ground at a distance of 2 miles from the base of the building. Using this information, find the height... more
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07/27/20

Please help me with the following question!!!!
If     , where  , then the determinant of    is equal to:A.) 5B.) -5C.) 0D.) Can't be determined
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07/27/20

What is the surface area of this complex figure?

a) 7,701.8 cm2 b) 5,492.8 cm2 c) 6,597.3 cm2 d) 8,806.2 cm2
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07/27/20

Poker game. Use a tree diagram to answer question.
You have five cards in your (poker) hand, three of which are spades. That means there are 10 other spades and 37 non-spade cards out there. You get rid of your two non-spade cards and pick up two... more
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07/26/20

FInd AC and angle BCD
This problem refers to the figure below, which shows a diagram for a bike frame.Given BC = 49 cm, BD = 63 cm, CD = 76 cm, ∠ABC = 52°, and ∠ACB = 67°, find the following. (Round your answers to the... more
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07/26/20

Find the length of down tube and angle between seat tube and down tube

The following problem refers to the figure below, which is a diagram of a bike frame. The frame can be approximated as two triangles that have the seat tube as a common side.Suppose the frame has a... more
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07/26/20

Find AC in cm and angle BCD in degrees.

This problem refers to the figure below, which shows a diagram for a bike frame.Given BC = 49 cm, BD = 63 cm, CD = 76 cm, ∠ABC = 52°, and ∠ACB = 67°, find the following. (Round your answers to the... more
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07/26/20

Exponential Functions 14
The fox population in a certain region has an annual growth rate of 4 percent per year. It is estimated that the population in the year 2000 was 23600.(a) Find a function that models the... more
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07/26/20

Find all the values of θ∈[0,2π] where the curve r=1-sinθ has a horizontal tangent line
r'θ= -cos(θ)And this is where I'm stuck. I don't have my calculus book on me so I cannot review the next part of the steps. Can anyone help me solve this please? Thank you for reading my question!
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07/26/20

Exponential Functions 12
The equation y=773(1.027)t models the number of students in a certain state that go to out of state colleges/universities each year from 1993 through 1999, where y is the number of students that... more
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07/26/20

Exponential Functions 6
The size of a stray cat population at the bay area of a certain city grows at a rate of 5% monthly. If there are 260 stray cats currently, find how many stray cats should be expected in 21 months.... more
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07/26/20

Exponential Functions 5
The rat population in a major metropolitan city is given by the formula n(t)=90e0.03t where t is measured in years since 1990 and n(t) is measured in millions.What was the rat population in 1990... more
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07/26/20

Exponential Functions 4
Certain radioactive material decays in such a way that the mass remaining after t years is given by the functionm(t)=210e−0.015twhere m(t) is measured in grams.(a) Find the mass at time t=0.Your... more
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07/26/20

if sin (a)=0.517 and sin (B)=0.359 with both angles terminal rays in Q1 find the values of 1) cos (B-a) and 2) sin (a-B)
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07/24/20

exponential log 22
A computer purchased for $550 loses 17% of its value every year.The computer's value can be modeled by the function v(t)=a⋅bt, where v is the dollar value and t the number of years since... more
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07/24/20

Finding the positive, negative complex zeros
The equation: f(x)=-13x^10-11x^8-7x^6-7My question is I found and I believe that it is correct that there are 0 negative and/or positive roots, as I see from graphing, but I cannot tell how many... more
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07/24/20

Descriptive form:
Descriptive form: The set of natural numbers greater than or equal to 6 and less than or equal to 8.
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07/24/20

A telephone mast 1,400 yards from an observer subtends an angle of 3.5°. Use the arc length formula to estimate the height of telephone mast.
The height of the telephone mast is approximately how many yards?
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07/23/20

How do you first set up a linear equation and then how do you solve it?
Kobe Bryant holds the 2nd highest record for the highest points ever scored in one game.His record is made up of 2-point shots and 3-point shots. Kobe total points was 81 points with 36 shots made.... more
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07/23/20

Word problem involving maximum
A ball is thrown vertically upward. After t seconds, its height (in feet) is given by the function h(t)=72t-16t^2. After how long will it reach its maximum height.
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