1,469 Answered Questions for the topic Math Problem

07/12/16

Material price of an engine belt belt is 5/8 of the total cost, and labor cost is 1/3 of material cost.
If labor is $20, what is the total cost of the engine belt?
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07/07/16

How can I solve for x in 3y=3x+1
Solve the literal equation for x.   3y=3x+1  
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Math Problem

07/04/16

Simplify the expression. Do not assume the variables represent positive numbers.
So my problem is this,   sqrt(4x^2)   the instructions are in the title.  I believe the answer is 2x but I am told this is wrong.  not sure how to solve the problem when not assuming the... more
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Math Problem Math Fractions

07/01/16

Which of the following pairs of numbers cointains like fractions?
A. 5/6 and 10/12 (Can't be A. because I got it wrong)   B. 3/2 and 2/3   C. 6/7 and 1 5/7   D. 3 1/2 and 4 4/4    
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06/29/16

Find the power series?
Find the power series in x for the general solution of (1+x^2)y"+6xy'+6y=0.   Please show all your work step by step.
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06/23/16

Math question
You just purchased a $15000 GIC that earns interest at rate of 5.4% compounded monthly. the investment is left to grow for 18 years how much interest does your GIC earn in the last month of... more
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Math Problem Math Math Question

06/23/16

Math question
Brady needs to borrow $4500 to buy a car. he can borrow the money at a rate of 7.5% per year compounded monthly or at 8.25% per year simple interest. he must repay the loan after three years which... more
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Math Problem Math Algebra Math Help

06/22/16

The coordinate p = (a,0 is at an equal distance from origo as the coordinate Q = (3, 4). Solve algebraically possible values for a.
That is my question, i think i need to use pythagorean theorem? The distance formula? This is a question on linear functions.
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Math Problem

06/20/16

solve the folowing inequality (x-9)^2(x+3)>0
put the answer in interval notation
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06/16/16

Find the power series?
Find the power series in x for the general solution of (1+x^2)y"+6xy'+6y=0.   Here's my work:   Ly=(1+x^2)y"+6xy'+6y y=Σanxn from n=0 to infinity y'=Σnanxn-1 from n=1 to... more
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Math Problem

06/15/16

If your saving account pays a generous 5% per year and is compound only once each year how much money would be in the account at the end of the year
5% per year 
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Math Problem Math Answers

06/13/16

what is 11/13 rounded to the nearest hundredth
i need help i don't know how to round fractions and i'm struggling and i hear this is the best site for help so can help me i would really appriciate it
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Math Problem

06/08/16

stack 1 is 97" tall and dimensions are 33"×48 " how many square inches are in stack 1
Stacks of cardboard
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06/08/16

Growth and decay fomula N(t) = Noe^kt
A 40 gram sample of a substance that's used for drug research has a k-value of 0.1472.   Question: Find the substance's half-life,in days. Round your answer to the nearest tenth.     Growth... more
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Math Problem

06/07/16

Erica saving money to buy a new hamster cage in the first week she saved $24.80 each week after the 1st week $6.50how much money will Erica have saved in six we
how much money will Erica have saved in six weeks weeks
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Math Problem Math Help Math Equations

06/06/16

Rewrite the following equation so that y is a function of x
2x+18y=36
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06/06/16

A comic-strip writer churns out different numbers of comic strips each day.
The skew in the distribution is . If the writer writes for two more days and creates 5 and 7 comic strips, respectively, the difference of the mean and the median for the new data set is . A... more
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Math Problem Math Algebra 1 Prealgebra

06/06/16

Data Chart
  Eye Color Hair Color :   Blue Gray Green Brown Marginal TotalBlond             42     5        21       10         78 Red                12     22      19       12         65Brown            22... more
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Math Problem

06/05/16

the base of a triangle is 3 inches. the height of a triangle is 12 inches what percent of the height is the base?
 this math problem was on my exam and i was wandering if someone was able to solve it
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05/26/16

Pre Calculus
Which of the answer choices has matrix multiplication defined?A B C D⌈1 2⌉ ⌈5 6 7⌉ ⌈-1 2 3⌉ [5 9 7] ⌊3 4⌋ ⌊8 9 0⌋ l8 -4 0l ..................⌊6 7 1⌋ a) ACb) BAc) ABd) CD
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05/26/16

Pre Calculus
Determine the quadrant when the terminal side of the angle lies according to the following conditions: sin (t) < 0, csc (t) > 0.a) Quadrant Ib) Quadrant IVc) Quadrant IId) Quadrant III
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05/26/16

Pre Calculus
Find a unit vector in the same direction as the given vector: v = 3i + 4 j.a) u=3/25i+4/25j b) u=3/√7i+4/√7jc) Vector v = 3i + 4 j is a unit vector. d) u=3/5i+4/5j
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05/26/16

Pre Calculus
Find the projection of vector u onto vector v; projvu= ((u•v)/llvll2)vu = i – 5j and v = i + 5j a) -12/13i-60/13j b) 1/13i+5/13j c) 12/13i+60/13j d) -1/13-60/13j
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05/26/16

Pre Calculus
Use DeMoivre’s Theorem to find the power of the complex number and write your solution in the form, a + bi.a) −4 − 4i b) -4√2-4√2ic) −8 − 8i d) -2√2-2√2i
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05/26/16

Pre Calculus
Rewrite the given parametric equations in Cartesian form: x(t)=4-t   y(t)=3t+2 a) y=14-3x b) y=3x+2 c) y=x+4 d) y=4-x
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