1,469 Answered Questions for the topic Math Problem

Math Problem

03/26/15

What will be the perimeter and the area of the rectangle with a height of 6 cm and a width of 8 cm be if it is enlarged using a scale factor of 4.5?
(This is a 7th grade math word problem) ANSWER ASAP
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03/26/15

z1 = 4 (cos 45° + i sin 45°) and z2 = 2 (cos 30° + i sin 30°)
Please solve:   "z1 = 4 (cos 45° + i sin 45°) and z2 = 2 (cos 30° + i sin 30°).   What's z1 * z2?   What's z1/z2?"   Did it myself but got it wrong, so please post steps so I can see where... more
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03/24/15

How many times do we need to toss a bias coin?
Suppose we have a biased coin, with a probability p of coming up heads and q=1-p of coming up tails on any given toss, but we are not given what p or q are. We know from class that the expected... more
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Math Problem

03/24/15

find the slope of the line that is a) parallel and b) perpendicular to the given line (1,-4) and (0,0) answer
how to solve it ?
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03/23/15

Decide |z|, arg ??¯,Re z, Im ??¯ for z = 1 - i
Decide |z|, arg ??¯,Re z, Im ??¯    for    z = 1 − i
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Math Problem Math Math Help Derive

03/23/15

Derive the function with the product rule : y = t(e - 2t)
Derive the function with the product rule : y = t(e - 2t)Thanks a million!
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03/23/15

Solve the equation tan(x-0.5) = 1 answer in radians with two decimals
Solve the equation tan(x-0.5) = 1 answer in radians with two decimalsPlease write out the steps also so I understand how to think!A billion thanks for the help
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Math Problem Exponential Growth

03/17/15

Exponential Growth Math Problem
Michael Jackson's original white glove is discovered and listed on eBay for auction. The initial bid is $1200 and the bids increase by 16% each hour. What is the bidding price of the glove after 24... more
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Math Problem Math Question

03/17/15

what is m+m+m
I can't remember it and my mom says I have to figure it out myself.
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Math Problem

03/16/15

how many feet do Fred and Tim have? 10 kids are on the team. how many feet do they have in all.
how many feet do Fred and Tim have? 10 kids are on the team. how many feet do they have in all.
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Math Problem Math Calculus Algebra

03/15/15

Consider the rational function...
Consider the rational function f(x) = x2-2x-3 / x3-3x2 .   a) Find all vertical and horizontal asymptotes of this rational function.   b) Find all x-intercepts and y-intercepts of the graph of... more
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03/12/15

Please help. WInd and Water Current Problem
Suppose you can paddle a canoe in still water at 5 km/h and that you are going to travel 6km up a river and 6km back. If the river current is 1km/h, find your total time and average speed for the... more
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Math Problem Algebra 1 Math Help

03/11/15

What is the equation of a line that passes through the points (8,-4) and (6,4)
This is for a test I just need a quick answer/solution 
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Math Problem

03/07/15

9x^2+5x+2/4x+1
so i need help answering this q i would be extremely grateful if you showed me step by step on this problem. i would prefer if you used long divsion
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Math Problem Math Pre Algebra

03/06/15

How do you turn a decimal or a fraction into a percent
I need help with math. It is ver confusing thank you
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Math Problem

03/05/15

gabe went to the park with 40 dollars to spend. his ticket was 26.50 dollars.write and solve an inequality to show how much he might spend on snacks
 it is a inequalities question 6th grade math
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Math Problem Math Equations Math Help

03/04/15

Mix some cashews costing $8 per kg with nuts costing $10 per kg. Wants to sell 12kg of the mixture for $8.50 per kg. How many kg of cashews are needed?
A grocer wants to mix together some cashews costing $8 per kg with some Brazil nuts costing $10 per kg. The grocer wants to sell 12 kg of the mixture for $8.50 per kg. How many kg of cashews are... more
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Math Problem

03/04/15

need to calculate the angle of impact of some stains and than use the tan equation to get the height of origin in inches
Stain 1: width of stain is 7.2 mm, the length is 14.4 mm what is the degree of impact. I have tried converting to fractions or decimals and I still do not get it. I need step by step... more
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Math Problem

03/03/15

Expected Value Insurance Claims

Based on an insurance company's past data, each year an average of 1/90 policy holders make a claim of $250, 1/100 policy holders make a claim of $12,000, and 1/400 make a claim of $17,000. 1. What... more
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Math Problem

03/01/15

9 hours divided into 3 first segment 2 1/2 hours second segment 2 2/3 hours longer than the first. how long was the second segment?
i have no clue and i have been doing it for 20 minutes. please help!  
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Math Problem

02/28/15

Applications - Probability
Answer the following questions using the information given in the table below. The table is based on the assumption that 2% of breast tumors are malignant. This table also assumes that mammogram... more
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Math Problem

02/26/15

i don't know
Marcos works 8 hours a day. He makes $19 an hour. On Tuesday, he only worked of a day. How much did Marcos earn on Tuesday
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Math Problem

02/21/15

Identify the solution(s) of the system of equations, if any -2x-4y=1, 12y=-6x-3
Identify the solution(s) of the system of equations, if any -2x-4y=1, 12y=-6x-3
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Math Problem

02/21/15

Consider the following system of equations y=3x-7, y-3x=5. What can you conclude about the system of equations?
Consider the following system of equations y=3x-7, y-3x=5. What can you conclude about the system of equations?
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Math Problem

02/21/15

identify the solution(s) of the system of equations if any 2x+5y=10 ,y=2-x
identify the solution(s) of the system of equations if any 2x+5y=10 ,y=2-x
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