Mark M.

IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. Find the IQ score of someone who scores below exactly 28% of the population.

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Geometry

04/07/21

b) Find m∠R in degrees if m∠T = 115°

Consider the following figure.b) Find m∠R in degrees if m∠T = 115°

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Geometry

04/07/21

Given:AB = 7 BC = 9 AD = 9 Find:AE

Consider the following theorem.If two secant segments are drawn to a circle from an external point, then the products of the length of each secant with the length of its external segment are... more

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Algebra 2

04/07/21

We've been doing geometric sequence in school lately and when I was studying, I came across these two problems: Show that 4^(1/6) = (cube root of) 2 using geometric series. Use the sequence: 1,... more

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Algebra 2

04/07/21

The time it takes to set-up an ice rink for an NHL game varies inversely with the number or employees working. It takes a staff of 30 employees 5 hours to set-up the rink.

a. Write a function to model this variation.b. Then use your function to determine the amount of employees it would take to set up the rink in 2 hours.

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Precalculus

04/07/21

MATH THAT I NEED HELP WITH

Solve 5sin(4x)=4 for the two smallest positive solutions A and B, with A < B

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Calculus

04/07/21

Given remainder estimate 10^-10, what is the fewest number of terms of the series you would need?

In order to bound the value of the series between two numbers which are no more than 10^-10 apart, what is the fewest number of terms of the series you would need?

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Precalculus

04/07/21

Answer the following below

For each of the following arithmetic sequences,(a) Write a non-recursive formula for the nth partial sum, Sn, of the given arithmetic sequence.(b) Calculate S25. -18, -14, -10, -6, -2,... more

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Algebra 1 Algebra 2 Polynomials

04/07/21

Find the "a" value of the function with zeros x = -5, x=0, x=1 and goes through the point (-4,5)

guys i have been stuck for awhile

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Prealgebra

04/07/21

Algebra- 7th grade

The cost of every college is expected to increase 3.5% next year. The cost to attend Faber College is currently $24000. If the percentage increase stays constant, what will the cost be in TWO years?

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Algebra 1

04/07/21

If x = 0 and y < 0, where is the point (x, y) located?

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Geometry

04/07/21

Given a regular dodecagon and 2 regular triangles, what is the 4th regular polygon needed to make a semi-regular tessellation?

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Geometry Geometry

04/07/21

Try and Solve: Geometry Problem

Consider a regular tetrahedron, T with side length 2a. At each corner, slice off a regular tetrahedron of side length a. What is left is an octahedron, P with side lengths a. Use this dissection to... more

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Precalculus Trigonometry

04/07/21

Use the Reciprocal and Quotient Identities Find csc x if Sin x = 2√5/5

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Geometry

04/07/21

Geometry Riddle: Try and Solve

Consider a regular tetrahedron, T with side length 2a. At each corner, slice off a regular tetrahedron of side length a. What is left is an octahedron, P with side lengths a. Use this dissection to... more

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Calculus

04/07/21

Consider the function f(x)=7x9+5x5−8x2−6. Enter the antiderivative of f(x)

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Precalculus Trigonometry

04/06/21

How tall is the tower?

A radio tower is located 400 feet from a building. From a window in the building, a person determines that the angle of elevation to the top of the tower is 29 degrees and that the angle of... more

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Math Algebra 2 Algebra

04/06/21

Algebra 2 word problem

Half-LifeN(t)=No(12)thN(t)=No(12)thN=N= final amountNo=No= initial amountt=t= timeh=h= half-lifeIodine-123 is sometimes used in thyroid scans and has a half-life of 14 hours.a) How much of a 180 mg... more

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Geometry

04/06/21