Arthur D.

Trigonometry Trigonometry Identities Pre Calculus

03/02/18

Solve on the interval [0,2pi) 1-cos theta = (2 - sqrt 3)/2

I dont quite remember how to solve this, if anyone could help.

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Tangent

03/02/18

find b so that the line y = 2x + b is tangent to the circle x2 + y2 = 4

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Algebra Word Problem Algebra Help

03/02/18

What was the average speed of the southbound train?

A train leaves a station at 11am, heading north. Another train, 320 km away, leaves at the same time, heading south. The average speed of the train heading north is 20 km/hr faster than that of the... more

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Gemeotry Geometry Triangles

03/02/18

amin wants to build an access ramp into a side in entrance. the door of the building is 7 feet above ground and the ramp is 24 feet from the building.

how long should the ramp be built?

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Other

03/02/18

i need help very confused

coach shaw is buying baseball equipment for his team.He gets a reduced rate if he buys 8 baseballs for every 3 batting helmets. the reduced rate is $2.25 per baseball and $22.50 per helmet. the... more

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Math Math Help, Homework

03/02/18

the measure of the vertex angle is one fourth that of the base angle

what is the equation and what is the measure of the vertex and base angles

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Other

03/02/18

If DM = 60, DG = 4r and GM = r+5, what is the value of r?

solve for r

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Probability

03/01/18

How many hand shakes?

there are 110 people at a meeting. They each shake hands with everyone else. How many handshakes were there?

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Other

03/01/18

Find the sum of the interior angles and the sum of the exterior angles of a 17 sides figure.

I need help on how to solve this question

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Other

03/01/18

Find all solutions in the interval [0,2π). tangent squared x equals 1

I do not understand how to solve this equation and I need help.

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Other

03/01/18

ANSWER PLEASE

Use compatible numbers to estimate the quotient of 3780 ÷ 90. What compatible numbers did you use? Will your estimate be an underestimate overestimate? Explain why.

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Integers

02/28/18

consecutive integers

The sum of four consecutive integers is 354. What is the second number in this sequence?

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Perimeter Squares

02/28/18

Two diagonals of a square are expressed as 4x-7 feet and 2x+11 feet. Find the perimeter of the square.

-Needs to be rounded to the tenths place.

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Math Word Problem

02/27/18

One number exceeds another by 15. The sum of the numbers is 61. What are the numbers?

I really dont understand any of this...

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Arithmetic Progression

02/27/18

how to find first term and common difference

an arithmetic progression has 41 terms the sum of first five terms of this A.P is 35 and the sum of last five terms of the same A.P is 395. Find the common difference and the first term.

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Algebra

02/26/18

Both yards form two right triangles. The smaller yard has legs of 6,8 and 10 yards. What is the area of the larger yard if it's hypotenuse is 30 yards?

Help please this question is a tuff one

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Algebra

02/25/18

Find the EXACT volume of the cone

radius=7cm height=14cm

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F(1)

02/25/18

if f(1)=3 and f(n)= -2f(n-1)+1 , then F(5)=

I need to find what f(5)=

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Math Maths

02/23/18

The sum of 2 numbers is 6. Eight times the largest number is added to twelve times the smallest number, the result is 56. What are the numbers?

This problem is to confusing. I can’t solve it. Please help!

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Algebra 1

02/23/18

Write two equations and solve. The sum between two numbers are 170, and their difference is 110. What is the larger of the numbers

The sum of the numbers are 170 and the difference is 110, find two equations to find the two numbers to answer the question

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Math Help

02/22/18

what is the answer to this math equation (6x10^4)^2

I need help because I don't know how to solve this

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Squares, Right Triangles,pythagorean Theorem

02/22/18

Each side of a square is 15in long. Find the length of the diagonal to the nearest tenth

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Other

02/21/18

Finding least common multiples. (Picture)

Picture: https://imgur.com/BlYqh1UThis problem is wanting me to use a certain formula that I am new to. Could anyone show me how to work these out?Problems and numbers are in picture. Thank you for... more

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Math

02/21/18

a rectangle is an isosceles trapezoid

need help

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Algebra 2

02/19/18

i need help in solving a algebra 2 radical equation

√(m/7) +4 =9

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Solve on the interval [0,2pi) 1-cos theta = (2 - sqrt 3)/2

find b so that the line y = 2x + b is tangent to the circle x2 + y2 = 4

What was the average speed of the southbound train?

amin wants to build an access ramp into a side in entrance. the door of the building is 7 feet above ground and the ramp is 24 feet from the building.