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Posts by katty

Total # Posts: 17

physics
a ball rolls off the edge of a tabletop 1m above the floor and strikes the floor at a point 1.5m horizontally from the edge of the table. Find the (a) time of flight (b) initial velocity, (c) final velocity just before it strikes the floor. Plsssss help

physics
a ball rolls off the edge of a tabletop 1m above the floor and strikes the floor at a point 1.5m horizontally from the edge of the table. Find the (a) time of flight (b) initial velocity, (c) final velocity just before it strikes the floor. Plsssss help

PHYSICS
9 kg

Science help please!!
How did planetesmals form planets? A. They broke apart into smaller chunks. B. They collided and stuck together. C. They cooled and pulled ice together. D. They began to rotate. Is the answer B? Thank you so much in advance.

math
If the lengths of two sides of a triangle are 12 and 15, which of the following must be true of p, the perimeter of the triangle? A. 3<p<27 B. 12<p<42 C. 12<p<54 D. 30<p<54 E. 3<p<54 I honestly don't know what this question is doing in my ...

spanish
want is a adjectie enddin in spanish i feel so alone

Spanish
me to rebeca

algebra
find the x- and y- intercepts for the function f(x) = (x+1)(x-2)(x+3)

algebra
find the x-intercepts for the function f(x)= 4x2 - 4

int algebra
write an equation of the line that is parallel to x= -2 and passes through (-3,4) then graph the line

Intermediate Algerbra
For sum odd reason im thinking to hard and getting stuck never happened before but the quesion goes like this--- Find the equation of the line that passes through(5,7) and is parallel to the y-axis

Math
Assume that a population is normally distributed with a mean of 100 and a standard deviation of 15. Would it be unusual for the mean of a sample of 3 to be 115 or more? Why or why not?

poetry
What is the Cause and Effect of the Poem Lineage by Margaret Walker?

chemistry
how many moles h2o are used produced for each mole of h2 used?

Statistics
It costs you $10 to draw a sample of size n=1 and measure the attribute of interest. You have a budget of $1,200. a. Do you have sufficient funds to estimate the population mean for the attribute of interest with a 95% confidence interval 4 units in width? Assume stdeviation(...

Writing this equation
how do I write the equation of a line perpendicular to the line 6x – 3y=10 and containing the point (-6, 2). The line you are given can have its equation rewritten im y = mx + b as: y = 2x - 10/3 That tells you that is slope is m = 2. A line that is perpendicular to that ...

health
wat are the 6 nutrients? i need facts about them please help!!!!! carbohydrates, proteins, fats, water, vitamins, minerals thanks i need facts about these nutrients i really need help... :( Thank you for using the Jiskha Homework Help Forum. It is important that you not only ...

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