10/24/18
How to solve this?
An object is launched from a platform. It’s height (in meters), x seconds after the launch, is modeled h(x)=-5(x-4)2+180 how many seconds after being launched will the object hit the ground?
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10/24/18
Inez walks 1.875 miles in 45 minutes. How many miles can she walk in 1 hour?
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10/24/18
I need help with this question, I am a little confused
A group of children decide to play a game on a teeter totter that is 3 m in length. One of the children weighing 30 kg, sits on one end of the teeter-totter. The game is to require each of the...
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10/23/18
Phil is riding to a friends house 5km away. He leaves at 3:00 and arrives at 3:30. At what speed is he traveling?
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10/23/18
Jess drew 2 rainbows. Joe drew one more rainbow than Jess.How many rainbows did they draw?
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10/23/18
Mark wants to buy bottles of water at $3 each and hamburgers at $8 each for his basketball team.
Mark wants to buy bottles of water at $3 each and hamburgers at $8 each for his basketball team. Write an algebraic expression to find the total cost of the water and hamburgers if Mark buys x...
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10/23/18
I need help with distributive property
I need to rewrite (-70*20)+(-50*20) in distributive property.thanks!
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10/23/18
need help with math
Write an expression for the product of 77, 22, and 55. Then simplify the expression.
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10/23/18
Find the inverse of the function on the given domain
Find the inverse of the function on the given domain f(x) = 3x^2 + 5, (−∞, 0]?
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10/23/18
Consecutive Integers
The sum of 3 consecutive integers is 5 more than 4 times the middle integer. Find the integers algebraically
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10/23/18
When a number is decreased by 20 % of itself, the result is 152. What is the number?
I am having a hard time finding out how to get this answer and "combining like terms" I have seen examples and when it comes to combining like terms I do not understand how they get the number....
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10/23/18
Function Notation
Write the following word notation into function notation: Take a realnumber, triple it and subtract thirteen.I am unsure how to complete this problem.
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10/22/18
If 1/a + 1/b = 7/8, and ab = 6, find both 'a' and 'b'.
Please help me out here, I've been struggling with these problems. My math teachers says I don't need to use the quadratic formula for this, because you can just plug b for example when you solve...
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10/22/18
how many sheetsof paper is needed to reach 1 kilometer thick
I know that a sheet of paper is .1 milometers thick. I need to know how many sheets of paper stacked on top of each other would it take to be 1 kilometer thick. After that I need to know how many...
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10/22/18
Área of two rectangles are the same?
4 ft • (x+1) ft and 2 ft • 2x ft are there any values of x for which the areas of the two rectangles are the same?
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10/22/18
A 3/8-pound piece of cheese contains 4 servings. How much cheese is in 1 serving.
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10/22/18
I need help with this world Problem for Math Homework.
Two high-speed ferries leave at the same time from a city to go to the same island. the first ferry, the cat, travels at 37 miles per hour . the second ferry , the bird, travels at 27 miles per...
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10/21/18
How do you dilate coordinates A(3,0), B(1,-2), C(3,-5), and D(7,-1) with a scale factor of 2/3
I don't know how to dilate a figure when the scale factor is a fraction.
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10/21/18
FIND PROBABILITY STATS
Assume that adults have IQ scores that are normally distributed with a mean of μ=105 and a standard deviation σ=15. Find the probability that a randomly selected adult has an IQ less than 120.
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