11h

If m∠O = 42.5°,  find mDE  in degrees.

Use the figure below to answer the question.A circle has center point O. There are 5 points on the circle, 4 interior line segments, and 2 highlighted arcs. Point A is on the top left. Point B is... more

20h

is my answer correct?

Find the intervals of increase and decrease for the function f(x) = x4 − 4x3 − 8x2− 1f ' (x) = 4x3-12x2-16xf'(-2) = -48f'(-1) = 0f'(0) = 0f'(1) = -24f'(2) = -48f'(3) = -48f'(4) = -48f'(5) =... more

When the equation f(x)=sin x is changed to g(x)=sin x−1, what impact does this have on the graph?

Describe the key features that change (amplitude, period, or midline) Choices:  The graph has translated up 1 unit; the midline changes from y = 0 to y = 1  The graph has translated down 1 unit;... more

NEED HELP WITH QUESTION!

A water tank at a filtration plant is built in the shape of an inverted cone with height 5.2 m and diameter 5 m at the top. Water is being pumped into the tank at a rate of 1.2 m^3 /min. Find the... more

Find the area bounded by the region. What is the area of the region enclosed by the graphs of y = 8 - x², y = 7x and y = 2x

Please include the solution so I can study it for future use. Thanks!

PLAIN AND SOLID GEOMETRY

A right circular cone has altitude 18 cm and radius of base 5 cm. inscribe in it is a square pyramid. a. Compare the volume of the cone with the volume of the pyramid. b. Compare the lateral area... more

Which statements accurately describe standard position angles? Select all that apply.

A) Every standard position angle must have both its initial and terminal side on the positive side of the x-axis.B) In standard position, the cosine of θ represents the y-coordinate, and the sine... more

Polynomials word problems

A pyramid and a cube monument are being created for a display. Their volumes are supposed to be the same. The volume of a pyramid is ⅓ times the height times the base area (V=13hb). The pyramids... more

I don't know how to solve this problem, Please Help!

Suppose that ​$2000 is deposited at 6​% compounded quarterly. ​(a) How much money will be in the account at the end of 7 ​years? (Assume no withdrawals are​ made.) ​(b) How long will it take for... more

Probability Questions ?

1.Karen, Melissa, and Olivia are on the same swimming team and are each competing in the finals of the 200-meter freestyle race. There are 8 swimmers in all, and the fastest 3 swimmers win a medal.... more

Please help me solve this

In 1998, the population of a colony is 10,000, and is decreasing exponentially at 1.5% per year. a) What will the population be after 5 years?b) In what year will there be half of the population... more

Determine the length of the radius of the circumscribed circle to the right triangle with legs 7 cm and 4 cm. Round your answer to the nearest hundredth

Determine the length of the radius of the circumscribed circle to the right triangle with legs 7 cm and 4 cm. Round your answer to the nearest hundredth

Please help me solve this question

2. Which expression is not equivalent to ?a. b. c. d. 

We have two six-sided dice. When they are rolled, it could end up with the following occurance: (A) dice 1 lands on side “4”, (B) dice 2 lands on side “2”, and (C) Two dice sum to seven.

1- P(A)=?2- P(B)=?3- P(C)=?4- P(A|B)=?5- P(C|A)=? 6- P(A,B)=?7- P(A,C)=?8- Is P(A,C) equals P(A)*P(C)?

If A and B are two mutually exclusive events, and P(A) = 0.55, P(B) = 0.3, then find: P(A U 𝐵𝑐) & P(𝐴𝑐 ∩ B)

If A and B are two mutually exclusive events, and P(A) = 0.55, P(B) = 0.3, then find:a.  P(A U 𝐵𝑐)b.  P(𝐴𝑐 ∩ B)

determine if true or false

the dy/dx of y=sec(cos(x)) is -sec(cos(x))tan(cos(x))sin(x)a. trueb. false

Explain Statements of quiantifiers

How would you explain these statements in terms of A(x), B(x), quantifiers, and logical connectives,where A(x) is “x only go on big river” and B(x) is “x go on the Hudson” and Domain = Cruise... more

Find the amount Erica owes at the end of 3 years if ​$6000 is loaned to her at a rate of 7% compounded monthly. Use A=P (1+r/n)^nt

I am confused about how I plug in these numbers. When I submit the answer its wrong but it also gives me a hint"Remember that the exponential function defined by A=P(1+r/n)^nt models the dollars A... more

Find an equation for the hyperbola whose transverse axis is horizontal, with center at (6, -3) and passes through the points (13, 3) and (1, -3).

Find an equation for the hyperbola whose transverse axis is horizontal, with center at (6, -3) and passes through the points (13, 3) and (1, -3).Please help, thank you!

10d

Optimization Question.

Given y = sinx find the local max/mim on [0,2pi] and the concavity.

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