04/03/18

Trigonometry basic
Hi,   1. How to solve triangle, if B=109,0mm (located sublevel), C=97,0mm (located on the right side) and γ= 32,9 degrees (located between left side A and sublevel B)?   2. Same positions but... more
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04/02/18

Find the stationary points and stationary values of the function :- F(x) = x^3 - 3x^2 - 9x + 5.
F(x) = x^3 - 3x^2 -  9x + 5.
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04/02/18

On the first day of the sale, they made $82 by selling 40 balloons and 32 stickers. On the second day, they sold 64 balloons and 40 stickers and earned $120.
How much did each balloon and sticker cost?   this is what I already found out   40b + 32s = 82 64b + 40r = 120
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04/02/18

jack is thinking of a positive whole number...
Jack is thinking of a positive whole number. Multiplying her number by 2 increases it by less than 18. Dividing her number by 3 decreases it by more than 11. What is his number?
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04/02/18

The profits made off of selling club t shirts can be represented by P=x^2+x, where x>10. What is the value of c when P=132
this is algebra and is hard
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04/02/18

Cross multiplication :- ax+by=(a-b), bx-ay=(a+b)
Class 10th cross multiplication 
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04/02/18

help i need to know something for school
here is the problem 6 people are evenly sharing 5 blueberry muffins. how many blueberry muffins should each person get?  please i am stuck and if i don't get this i will get a strike and i don't... more
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04/02/18

Tyler bought a game that cost X dollars. the game was on sale for 20% off. Write an expression to represent the sale price of the game.
How do I write an expression for this word problem?
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04/02/18

Taylor can type 15 pages in 3/5 hour. Write an equation that can be used to represent the number of pages, y that Taylor can write in X hours.
How do I write the equation for this word problem?
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04/02/18

There are 50 numbers .Each number is subtracted from 53 and the mean so obtained is found to be -3.5.determine the mean of the given numbers
This question is of book for diploma engineering named engineering mathematics.
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04/02/18

A circle passes through (-2,4) and touches y axis at (0,2). which one of the following equations can represent a diameter of this circle?
a.2x-3y+10=0  b.3x+4y-3=0 c.4x+5y-6=0 d.5x+2y+4=0
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04/01/18

Triangular pool needs to be filled with water. The corners are the coordinates. Units represent feet
A triangular pool needs to be filled the coordinates are A(-6,-4) B(-2,12)C(4,-2). If the pool needs to be filled with 100 feet cube determine the depth of the pool? (assume the depth is in uniform)
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04/01/18

college algebra
Question 4What the equation of the line passing through (-1, 4) and parallel to y = 2x + 1?   Question 5What is the equation of a line through (-1, 4) and (-2, 7)?   Question 6The half-life of... more
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04/01/18

algebra questions
Question 1What is the vertex of f(x) = x2 + 3x + 2?   Question 2What is the exact value of sin (22.5 degrees)?   Question 3Solve the system: 2x + 3y = 7, 3x - 5y = 1
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04/01/18

Hi good people, a sumo wrestler just made something a little different called a math word problem this time
.A young sumo wrestler decided to go on a special high-protein diet to gain weight rapidly.He gained weightat a rate of 5,5 kilograms per month.After 11months, he weighed 140 kilograms. 1.1.Let... more
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03/31/18

I require help for this quadratic & equation of a circle problem involving indices.
Two equations are defined as: 3y -2x +3 =0 x2+y2=45 What is the value of y-x? 
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03/31/18

Statistics normal distribution
The weekly amount of money spent on maintenance and repairs by a company was observed,over a long period of time, to be approximately normally distributed with mean $400 and standarddeviation... more
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03/31/18

Find (a) the number of subsets and (b) the number of proper subsets of the set. {x|x is an odd integer between -8 and 4}
The given set has blank subsets and I need to find the answer Or help with the question. 
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03/31/18

probability
Suppose an opaque jar contains 7 red marbles and 10 green marbles. The following exercise refers to the experiment of picking two marbles from the jar without replacing the first one. What is the... more
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03/31/18

probability
Suppose I pick (without looking) a jelly bean from a box containing six red beans and seven blue beans. I record the color and put the bean back in the box. Then I choose a bean again. What is the... more
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03/31/18

probability
the following exercise refers to choosing two cards from a thoroughly shuffled deck. Assume that the deck is shuffled after a card is returned to the deck. If you do not put the first card back in... more
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03/31/18

An unbiased coin is tossed 8 times.The probability of obtaining at least one head and atleast one tail is
options are a:63/64 b:255/256 c:127/128 d:1/2
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03/31/18

what equation for change input to output such as if 0 to 0, 1 to 2, 2 to 1 and 3 to 3 in math?
0 -> 0, 1 -> 2, 2 -> 1, 3 -> 3,
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03/30/18

Find the volume of the solid formed by revolving the region bounded by the graphs of y = x3, x = 2, and y = 1 about the y-axis.
Find the volume of the solid formed by revolving the region bounded by the graphs of y = x3, x = 2, and y = 1 about the y-axis.   93 times pi divided by 5 120 times pi divided by 7 47 times pi... more
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03/30/18

find volume in cubic units of solid created when the region under the curve y = cos(x) on the interval [0,pi/2] is rotated around the x-axis.
Use your calculator to find the approximate volume in cubic units of the solid created when the region under the curve y = cos(x) on the interval [0,pi divided by 2] is rotated around the... more
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