03/26/15

Uniform Motion Problem- HELP Please : Fredric headed for lutzen at 3 kilometers per hour. Later he increased his speed to 4 kilometers. If...
Fredric headed for lutzen at 3 kilometers per hour. Later he increased his speed to 4 kilometers. If it was 52 kilometers to lutzen and the total travel time was 15 hours, how long did he travel at... more
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03/26/15

The equation of a standard pitcher’s mound in baseball is (x+5)^2 + (y+7)^2=81 Find the diameter and center of the pitcher’s mound.
Here are the choices:   A: C(-5,-7) d=9   B: C(-5,-7) d=18   C: C(5,7) d=9   D: C(5,7) d=18
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03/26/15

What is the height of the taller building
A building with height of 14 m casts a shadow that is 16 m long while a taller building casts 24 m long shadow.
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03/26/15

PEMDAS question
my group and I are having a hard time with the PEMDAS problem 20/2(5+5) half of us say its 100 but the other half is saying 1.
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03/26/15

what is the linear velocity of the satellite if it travels in a circular orbit 8000km from the earths center and takes 2 hours to make an orbit?
 A satellite traveling in a circular orbit 8000km from the earth's center takes 2 hours to make an orbit. What is the linear velocity of the satellite and what is the angular velocity of the... more
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03/26/15

Operations with Radical Expressions
Determine whether √a+√a=2a is sometimes, always, or never true.  My Answer: never   A playground is shaped like a rectangle with a width 5 times its length, l. What is a simplified expression for... more
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03/26/15

A right triangle has an angle of 0.75 radians . If the hypothenuse is 5 meters, find the length of the opposite side
I need help please
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03/26/15

A sector has area 10.72 square meters and arclength 5.36. Find the radius
I am so lost and need help please
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03/25/15

Express the following as a fraction
(sin 50o)(cos 10o) + (cos 50o)(sin 10o)
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03/25/15

The exression
sin(x+y) - sin(x-y) is equal to...
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03/25/15

Find dA/dt
Let A be the area of a circle with radius r. If dr/dt= 3, find dA/dt when r = 1.
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03/25/15

a soup can has a diameter of 8.2cm and a height of 13.2cm. how much steel is needed to produce one can?
Just a word problem I need the answer to.
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03/25/15

8. Find x and then measure of each side of the triangle.
Triangle FGH is equilateral with FG= x+5, GH=3x-9, and FH=2x-2
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03/25/15

What is the momentum of a 6.00 kg bowling ball moving at 10.0 m/s down the alley
 I need to know the momentum of the bowling alley ... no specific unit just need the answer...and maybe the formula
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03/25/15

What is an expression that could describe the perimeter of one of the prism's square faces?
The volume of a square prism is 144x^3+216x^2+81x. What is an expression that could describe the perimeter of one of the prism's square faces?
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03/25/15

A bank in houston loans $40,000 a business at 11.5% annual simple interest for 24 months.
How much interest will the bank earn?
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03/25/15

Factor completely: 18x3 - 2x2 + 27x - 3
I just don't know this
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03/24/15

An 80 kg astronaut is at an altitude of 1.5 times the Earth's radius above the surface of the Earth.
a. What force does the Earth exert on the astronaut? b. What is the velocity of the astronaut? c. How long will it take the astronaut to orbit the earth? d. Would your answers to a-c change at... more
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03/24/15

If i get x keys cut and the bill is £17.40 altogether, find the value of x.
A locksmith charges £4.80 to cut the first copy of a key and £1.80 for each additional key. If i get x keys cut and the bill is £17.40 altogether, find the value of x.
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03/24/15

What is the mean wage?
A buisness employs 11 people on a mean wage of $782 per week. A manager is then employed and is paid $1261 per week. What is the mean wage of the 12 employees? For a test:)
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03/23/15

Solve the equation z2 + 2z + 2 = 0
Solve the equation z2 + 2z + 2 = 0Please post steps so I can follow!Thanks a bunch!!! 
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03/23/15

Factoring.
4x^4=108x
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03/23/15

if f(x)=2x+9 and g(x)=3x+b , what value of b would make [f of g](x)=[g of f](x) ? Show all work
Algebra 2, needs all work shown.
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03/23/15

bank loan question
A bank loaned out $9,500, part of it at the rate of 3% annual interest, and the rest at 4% annual interest. The total interest earned for both loans was $325.00. How much was loaned at each rate?
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03/22/15

Solve for m
Solve E=mv2 for m                2     If you could please show step by step.   Thank you!
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