11/29/16

rubber ball is placed on a 11° incline. force of 9.8 pounds is required to keep the ball in place. determine the weight of the ball.
 i need to solve this 
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11/29/16

Know all 3 methods
Need to know Addition elimination methos, substitution method and graph method for the following equations:   3x+4y=2 4x+y=7
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11/29/16

Let A=​{9,10,11,12,13,14​} and B=​{12,13,14​}. AuB
 Specify the set shown below
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11/29/16

Hillsboro is 70 miles from Hurstberg. On a map these two towns are 3.5 inches apart. What is the scale of the map in inches:miles ?
 nothing
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11/28/16

PHYSICS QUESTION please helpcant figure out
A 4.60 kg particle moves along the x axis. Its position varies with time according to x = t + 1.8t3, where x is in meters and t is in seconds   (a) Find the kinetic energy at any time t.... more
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11/28/16

If 36 students is 37.5% of the class how many total students are there
Help me solve these word problems about percentages for my math class.
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11/28/16

how many 2 vowel, 2 consonant subsets can be made from the set {a, b, c, d, e, f, g, h, i, j}?
 i got 1512 but not sure if this is right...
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11/28/16

Can't figure out the problem
There were 825 students signed up to run in timed races. If exactly 6 students ran in each race, how many races were there?
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11/28/16

Find an antiderivative F(x) with F '(x) = f(x) and F(0) = 4.
Find an antiderivative F(x) with F '(x) = f(x) and F(0) = 4. It gives f(x)=sinx As I said in my previous question, my class is just learning trig functions in this context so I am not very good... more
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11/28/16

Find the general antiderivative of the function below. Use C for the constant of integration (please correct my logic)
This is one of my last few problems, and I am just not getting this right. It says "Find the general antiderivative of the function below. Use C for the constant of integration" then it... more
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11/28/16

how many cones can fit into a cylinder with congruent bases?
a cylinder and a cone with congruent bases and heights.. how many times the volume of a cone can  match the volume of a cylinder  
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11/28/16

Given: line WXY, m<WXZ = 135°. Prove: m<ZXY = 45°
Statements line WXY m<WXY = 180° m<WXZ = 135° m<WXY = m<WXZ + m<ZXY 180° = 135° + m<ZXY 45° = m<ZXY m<ZXY = 45°   Reasons  Given Defintion of supplementary... more
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11/28/16

polynomials factoring
  15x2 + 26x+7
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11/28/16

Can someone answer this for me
Kara's Custom Tees experienced fixed costs of $400 and variable costs of $5 a shirt. Write an equation that can be used to determine the total expenses encountered by Kara's Custom Tees. Let x be... more
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11/28/16

I'm not good at compound interest problems and need help solving this one.
A certain bank account earns 8.4% annual interest compounded quarterly. You deposit $4,000 and leave it in the account. How much money is in the account after 6 years?
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11/28/16

An object is thrown downward with an initial velocity of 7 feet per second. The relationship between the distance s it travels and time t is given by
s= 7t+16t^2 How long does it take the object to fall 78 feet?
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11/28/16

Can you solve a math problem?
Of the 67 students studying a foreign language at Green Hills High School, 24 are studying Spanish, 24 are studying French, and 28 are studying German. There are 6 students studying Spanish and... more
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11/28/16

Robin earned $4,320 in 9 weeks. How much did he earn working for a full year? (Assume Robin worked 50 weeks during the year.) $ per year
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11/28/16

The area of a rectangle is 50yd^2, and the length of the rectangle is 5 yd less than three times the width. Find the dimensions of the rectangle
Length = how many yards Width= how mand yards
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11/27/16

find the equation for the following sets. (0,3), (1,9),(2,27),(3,81),(4,243)
It is asking what the equation is to solve the sets.
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11/27/16

your driving, the heater in the car makes the temp. inside the car f(t) degrees fahrenheit at time t minutes. F (t)=40+ (30t^3)/t^3+100.
What was temp. Inside the car when you started driving? Use algebra.     What was approximate temp. in the car ten minutes after you started driving?    What will be the approximate temp. in... more
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11/27/16

limx>0 (1-cos2ax)/(1-cos2bx)
limx->0 (1-cos2ax)/(1-cos2bx)
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11/27/16

Unicorns real
Answers random true false
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11/27/16

Explain how the feudal system restored stability to Europe.
Explain how the feudal system solved social, political, and economic chaos in the wake of the Western Roman Empire and restored stability to Europe. Include as much details as possible.
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11/27/16

y = x^2 - 8x + 7
How do I solve the problem
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