Friday
February 24, 2017

# Homework Help: Math

## Recent Math Questions

Math
Janet Foster bought a computer and printer at Computerland. The printer had a $620 list price with a$100 trade discount and 2/10, n/30 terms. The computer had a $2,200 list price with a 25% trade discount but no cash discount. On the computer, Computerland offered Janet the ... Friday, February 24, 2017 by Anonymous math 4th grade At the end of their study of the kinds of electricity, mrs.clark class compleated quiz, there were 26 students , 6 of them scored 100, 4 scored 90, 3 scored 80 and rest of them 80. What was the average quiz score for the quiz Can anybody please explain this clearly. Thank you Friday, February 24, 2017 by Kk Math Given: f(x) = 8 - 4x A. Find f(-2) B. Find x, when f(x) = 8 C. Graph the function. D. State the domain and range of the function. E. Use the graph to find x, when f(x) = 0. Show details on the graph. F. Use the graph to find f(x) when x = 3. Show details on the graph. Friday, February 24, 2017 by Anonymous Math 1. Find all complex numbers z such that |z-1|=|z+3|=|z-i|, if i is the square root of -1. I got to the part where you graph the equations, but got stuck. 2. Find all cube roots of 8i. I know there are 3 answers, but I am stuck. Friday, February 24, 2017 by Elodea Math Ed’s rental charges a flat fee of$5 plus $2 per hour to rent a pair of skates. A. Write an equation to model the cost of renting skates, y, for x hours. B. Graph the equation. Label the y-intercept. C. Use the graph to find the cost for renting the skates for 2 hours. Show ... Friday, February 24, 2017 by Anonymous Math 3. All faces of a table top with the given dimensions (width:20, length:22, height:1)are going to be painted. Which of the following is the surface area of the table top? A. 440 B. 524 C. 880 D. 964 my answer 4. How much less surface area of the table will be painted if the ... Friday, February 24, 2017 by Marvel Math Katy picked 135 berries in 15 minutes. If she keeps at this rate how many will she have picked in 25 minutes? Friday, February 24, 2017 by Landon Math 2. The sum of the reciprocals of two consecutive positive integers is 17/72. Write an equation that can be used to find the two integers. What are the integers? Steve helped me yesterday and gave me the hint 8+9=17. Then I thought about it and saw 8*9=72, but I am confused ... Friday, February 24, 2017 by Olivia N J math -3x 2 = 1/4 (2 raised to the power -3x = 1/4) Friday, February 24, 2017 by Anonymous Math- Outcomes and Probability Can someone please explain to me how to solve this question? If no digit can be used more than once, how many 5-digit numbers can be formed using the numbers 3,8,1,2,5, and 7? I have no clue how to solve this problem, the wording always tricks me. Answer choices: A) 360 B) 717... Friday, February 24, 2017 by Cassandra Raven Moonstone math IT division budget for the current year is$300,000. they already spent 10% of the budget on equipment, 66% on salaries, 8% on training and 31/2% on supplies. How much money does division have left in its budget for the remainder of the year?
Friday, February 24, 2017 by John

Math
what is the supplement of the complement of an angle measuring 52 degrees? i dont fully understand this question or how to do the math on it.
Friday, February 24, 2017 by Help please

math
what is 13 times 159
Friday, February 24, 2017 by daveyun

math
which figure has the same area as the parallelogram shown below? A.a triangle with a base 4 mm and a height of 20 mm B.a trapezoid with the base of 15 mm and 25 mm and a height of 2 mm C.a trapezoid with bases of 6 mm and 14 mm and a height of 8 mm D.a rectangle with bases 20 ...
Friday, February 24, 2017 by help math

Math Word Problem
67% or 603 employees in a company are female. How many are male?
Friday, February 24, 2017 by Steve

math
12 years old Manik is three times as old as his brother Rahul.how old will manik be when he is twice as old as Rahul?
Friday, February 24, 2017 by Krishanu mahapatra

math
the sex of to domain species is unknown but they each have a probability of X and -5 what does x equal and what is the domain species? Please someone help me don't give me the answer just please explain the process of this to me i have no clue where to start
Friday, February 24, 2017 by carry on

math
what is 2.4 times 10 to the 32nd power in standard form
Friday, February 24, 2017 by A person

math
there are 8 girls competing in an ice skating competition. In how many ways can they finish in 1st, 2nd, and 3rd place? 336 1,680 2,016 40,320
Friday, February 24, 2017 by Ali

math
2. What is the distance between points A(5, 7) and B(8, 3)?
Friday, February 24, 2017 by Jakis

Math
complete the equation. -6x^2+15x-6=-(2x-1)(x+__) a. 2 b. -2 c. -3 d. 6 I'm really lost and i dont understand how to solve this problem. any help would be appreciated.
Friday, February 24, 2017 by someone

Math
how many term are in the sequence of multiples of 7 between 100 and 900
Friday, February 24, 2017 by Doi

Math
When 8 is divided to a certain number and the result is divided by 6 the ans is less than 1quarter. Find the range of the number
Friday, February 24, 2017 by Ib

math
A square tile is having side of length 15cm.how many such tiles would be required to cover the square floor of abathroom of side 3m.
Friday, February 24, 2017 by perimeter

Math
Given: f(x) = 8 - 4x A. Find f(-2) B. Find x, when f(x) = 8 C. Graph the function. D. State the domain and range of the function. E. Use the graph to find x, when f(x) = 0. Show details on the graph. F. Use the graph to find f(x) when x = 3. Show details on the graph.
Friday, February 24, 2017 by Anonymous

math
(0,0) and (1,-1) from coordinate geometry
Friday, February 24, 2017 by faizaan khan

Math
please if anyone could help me with this question: 1. A class paid $20 for a cake and$4 per child for one slice of cheese pizza. they paid $140. how many children are in the class? 2. Rajie want to divide 24 peanuts, 64 raisins, and 56 apricots evenly into packets (with 0 ... Thursday, February 23, 2017 by Erika Math How many square feet of wrapping paper do you need . To wrap a package it is 3.5 feet long 18 inches wide and 2 feet high Thursday, February 23, 2017 by Rose carter math PLEASE TELL ME THE ANSWER TO "blank 569 divided by 6 is about 400!!!!!!!!" WHAT IS THE BLANK?!!?!?!? Thursday, February 23, 2017 by Erika Math Given: f(X)= 8-4x A. Find f(-2) B. Find x, when f(x)= 8 C. Graph the function. D. State the domain and range of the function. E. Use the graph to find x, when f(x) = 0 . Show details on the graph. F. Use the graph to find f(x)when x = 3. Show details on the graph. Thursday, February 23, 2017 by Anonymous Math An angle theta satisfies the relation (csc theta)(cos theta)=-1 Give an example of information needed to determine a unique value for theta If sec theta is known to be negative, what is the csc theta value of theta? Thursday, February 23, 2017 by Saniya Math A school is holding a Fixed Raffle, where only a certain number of raffle tickets can be sold. The school sold 970 of these tickets for$10 each.  One of the tickets will win $2910, two tickets will win$970, and 5 tickets will win $485. What is the expected value of ... Thursday, February 23, 2017 by Brianna MAth Darth Vader is designing a game that costs$20.  The game consists of pulling a colored rock out of a container.  When the rock is Red Darth Vader pays nothing, when the rock is Blue Darth Vader pays $40, and when the rock is White Darth Vader pays$100. The first player is ...
Thursday, February 23, 2017 by Brianna

Math
I have to find the area of the trapezoid and the parallelogram by composing into rectangles or decomposing into triangles or shapes as needed. Show your work neatly and completely. The numbers are:18cm, 7 cm, 12cm and 10cm I am not sure how I can do this. Is there any way I ...
Thursday, February 23, 2017 by Patrick

MAth
The odds against Rainbow winning the race are 17:5.  Brian bets $120 on Rainbow to win and Rainbow does win the race. How much money does Brian win? What was the probability that Rainbow was going to win the race? Thursday, February 23, 2017 by Brianna Math The odds against an event are 48:42 what is the probability that the event will occur? Thursday, February 23, 2017 by aniya Math What are the odds against an event happening when the probability of an event happening are 41%? Thursday, February 23, 2017 by Lay math If the areas of three adjacent faces of a cuboid are 8 sq .cm and18 sq.cm and25 sq.cm . Then find the volume of cuboid Thursday, February 23, 2017 by sej Math Find the$2 \times 2$matrix$\bold{A}$such that $\bold{A} \begin{pmatrix} 1 \\ 0 \end{pmatrix} = \begin{pmatrix} 1 \\ 2 \end{pmatrix}$ and $\bold{A} \begin{pmatrix} 0 \\ 1 \end{pmatrix} = \begin{pmatrix} -7 \\ 4 \end{pmatrix}.$ Thursday, February 23, 2017 by Zheng Math Consider the sequence t1=1, t2=-1, and that tn-tn-2(n-3)/(n-1), where n>2. Find the value of t1998. (1998 is the term, so is n, t1 and t2) Thursday, February 23, 2017 by Anonymous Math A sphere has a radius of 16 cm and a plane passes thru it at 9 cm below the center, what is the area of the intersection between the plane and the sphere? Thursday, February 23, 2017 by Jj math there are 64 seventh graders at a middle school. This is 32% of the students at the school. The sixth graders comprise 38% of the school how many sixth graders attend the middle school Thursday, February 23, 2017 by Anonymous math Maya has 4 1/2m of ribbon. She uses 1 3/4m to wrap a present and 1/3m to make a bow. How much ribbon is left? Thursday, February 23, 2017 by Anonymous Math help please help!! The angle θ lies in Quadrant II . sinθ=34 What is cosθ ? −√7/4 < MY CHOICE √7/4 3/4 −3/4 Thursday, February 23, 2017 by Emma Math I run 1 3/4 miles each day. my friend runs 4 times as far as I do. how far does she run ? Thursday, February 23, 2017 by Dee Math ; Algebra What is x for the following questions? -2x-6=-12 3x+7=-15 Thursday, February 23, 2017 by Candence Math Thank you Ms.Sue but how do you work it out? Thursday, February 23, 2017 by Dee Math How do you write the product as a product of a whole number and a unit fraction of 3×4/5 equals Thursday, February 23, 2017 by Dee Math x y -2 -5 0 -1 1 1 2 3 A. Graph the ordered pairs. B. Is the function linear? Explain. C. Write a rule for the ordered pairs in terms of x and y. D. What is the value of y when x = 10? Thursday, February 23, 2017 by Anonymous math Suppose an athlete earns$3,600,000 for endorsing a few different products. If 2/3 of the earnings are for endorsing clothing, how many dollars does the athlete earn for endorsing clothing?
Thursday, February 23, 2017 by Kurbria

math
calculate the amount a person would earn over a period of time if his or her salary were a penny the first day, two cents the second day, and so on doubling each day. Day Pay =============== 1 0.01000 2 0.02000 3 0.04000 4 0.08000 5 0.16000 Your total pay is 0.310000 MY ...
Thursday, February 23, 2017 by Carlson

Math. 10 Points.
The diameter of a tire is 2ft A. Find The Circumference of the tire B.About How Mant Times Will The Tire Have To Rotate To Travel One Mile (SHOW YOUR WORK)
Thursday, February 23, 2017 by Kolton

math
Find the cost of buying 4 dozen of exercise books at sh 6000 per dozen,a half dozen of pencil at sh 2050 per dozen,5 dozen rulers at sh 3600 per dozen #i need anyone to help me please# and in case someone has such type of questions,i am kindly need for practice *Thanks for the...
Thursday, February 23, 2017 by kelvin

math
the formula for the perimeter of a rectangle is 2l+2w, where l is the length and w is the width. How can you use distributive property to write an equivalent expression for 2l+2w?
Thursday, February 23, 2017 by haily

math
For his troops' popcorn fundraiser sale, Mike sold caramel corn for $10, buttered microwave popcorn for$8, and lightly buttered popcorn for $7. By the end of the fundraiser, he had sold 400 items and made$3,272. If he sold twice as many lightly buttered microwave popcorn ...
Thursday, February 23, 2017 by Rachel

Math
What Is the measure of an angle that is complementary to a 47 degrees angles? A. 43 degrees B 53 degrees~~~ C. 153 Degrees D. 180 Degrees
Thursday, February 23, 2017 by John

Math
Explain How To Construct A Perpendicular bisector
Thursday, February 23, 2017 by John

Math
5 thousand 22 tens and 9 ones equals what number
Thursday, February 23, 2017 by Anonymous

Math
5 thousands 22 tens and 9 ones is what number
Thursday, February 23, 2017 by Anonymous

Math
In triangle PQR, angle Q= 90 degrees, angle P= 60 degrees and angle R= 30 degrees. PR= 1 unit. Extend side QR to T such that PR= RT. Join PT. Calculate the exact measure of angle T. Determine the exact value of lengths needed to find tan T and then find tan T.
Thursday, February 23, 2017 by Kausar

Math
6. Jackson Made A Poster In The Shape of A Quadrilateral. Each pair of opposite sides of the poster are congruent and parallel. Which of the following names best describes the shape of jacksons poster, A. Parallelogram ~~~ B. Rhombus c. Rectangle D. Trapezooid 7. As part of a(...
Thursday, February 23, 2017 by Kolton

Math
If a boat was 36' long and i built a model of it 18" long what scale would the model be
Thursday, February 23, 2017 by Henry

math
at noon the temperature is .6.f but the temperature drops 2 degrees per hour for the next few hours?what is the temperature at 4 pm?
Thursday, February 23, 2017 by lara

Math
Create a Raptor Flowchart that calculates the amount a person would earn over a period of time if his or her salary were five cents the first day, ten cents the second day, and so on doubling each day. Your program should: 1. Request the number of days. 2. Display a table ...
Thursday, February 23, 2017 by Morgan

Sequences Math
Find the function rule. X = -2, -1, 0, 1, 2. Y = 9, 4, -1, -6 -11. Help please this is too hard
Thursday, February 23, 2017 by Zack

MAth
the two figures below are congruent. Find the measure of the angle that isn't labeled on either figure? Shows a 41, 86, degree on one, and the other one shows a 133 degree.
Thursday, February 23, 2017 by URGENT HELP PLEASE

computer programming
Create a Raptor Flowchart that calculates the amount a person would earn over a period of time if his or her salary were five cents the first day, ten cents the second day, and so on doubling each day. Your program should: 1. Request the number of days. 2. Display a table ...
Thursday, February 23, 2017 by Morgan

math
Please check my math answers (and correct?)? I have some math questions, please check them, (they are multi choice, check if my answer is correct. if not, please say which is correct) 1. What is the simplified form of the expression –(10)–1? a -1/10 b -1/-1^10 (my answer) ...
Thursday, February 23, 2017 by weird equestrian

applications of proportion math
Centerville's population decreased from 37,065 to 26,102. How do I find the percent of change?
Thursday, February 23, 2017 by name

Math
The area of a parallelogram with a side of 5.6 in is equal to the area of a rectangle with sides 7 in and 8 in. Find the altitude to the given side in the parallelogram.
Thursday, February 23, 2017 by Steve

Math
When a class took a math test, 15% of the class failed, 25% made some mistakes (but didn’t fail), and 24 students got perfect scores. How many students were in the class?
Thursday, February 23, 2017 by Sara

Math
One of the sides of a parallelogram is 4.2 cm and the altitude to that side is 3.6 cm. Find the perimeter of the parallelogram if the altitude to the other side is 2.4 cm.
Thursday, February 23, 2017 by Sara

Math
The area of a parallelogram with a side of 5.6 in is equal to the area of a rectangle with sides 7 in and 8 in. Find the altitude to the given side in the parallelogram.
Thursday, February 23, 2017 by Sara

math
Find a nth term for this sequence 1/3,1/9,1/15,1/21,1/27..
Thursday, February 23, 2017 by Damian

math - proportions and ratios
A gardener found that he was able to plant 1/4 of a packet of flower seeds in 1/5 of a garden. At this rate, how much of the garden would he cover with the entire packet of seeds? A) 1/20 B) 4/5 C) 5/4 D) 9/2 I want to know how to set up the problem.
Thursday, February 23, 2017 by name

math
why do people have weight of 100 pounds
Thursday, February 23, 2017 by davon

Math
What is a reasonable distance between two cities? 200km 200m ** 200cm 200mm
Thursday, February 23, 2017 by Unknown

Math
Need help Given the following values, which point would be considered an outlier? x1 ,2 ,3 ,4 ,5,6, 7 ,8 ,9 y1.2,4.3,2.8,5.2, 6,7.1,7.9,9.4
Thursday, February 23, 2017 by Whaaaaaaaaaat

Math
-3 + n/2 = 9
Thursday, February 23, 2017 by Kayla

Math
How would I start both of these questions not sure. If h(x)=1/(x+3)^3 then determine a. f(x) and g(x) such that h(x)=(f of g)(x). b. r(x) and s(x)different from f(x) and g(x)such that h(x)=(r of s)(x)
Thursday, February 23, 2017 by Mekhia

Math
A die is thrown 240 times. What is the probability of getting fifty 2s. plss I have been stuck on this
Thursday, February 23, 2017 by Favour

You want to buy furniture which will cost N$20,000. You could take out a personal loan for N$20,000, which would charge you 9% p.a. interest compounded monthly. You also have N\$20,000 in an investment account, where you earn interest of 12% p.a. compounded annually. Taking ...
Thursday, February 23, 2017 by wilhel,

math
Find the area of the segment cut off by a chord of length 10cm from a circle radius 13 cm.
Thursday, February 23, 2017 by tiara

Math
There were 3 similar metal balls in the tank.if the 3 metal balls were out,the water in the tank would drop from 15 cm to 6 cm.find the volume of each metal ball.
Thursday, February 23, 2017 by Peachie

math
what is the sum of all proper fractions with denominators less than ten? help me plssss
Thursday, February 23, 2017 by luisa

Math - Derivatives
Find the nth derivative of y=2x/(1-x^2) (Hint: Consider -[(1/(x-1))+(1/(x+1))].)
Thursday, February 23, 2017 by Anonymous

math
f(x)=ax^3+bx^2+cx+d and f(0)=-18 determine the equation of f
Thursday, February 23, 2017 by john

math
-8x 20 is a tangent to f(x) x^3 x^2 bx 18 at x=1 calculate the values of a and b I tried the question but I failed
Thursday, February 23, 2017 by Emily

math
Dallas was given a discount of 10 percent of the following items: 1/1/4 cartons of exercise books @ sh 42000 per cartons,ten cartons of pens sh 22000 each.How much did he pay all together after the discount of 10 percent? *I need anyone to help me please* And in case someone ...
Thursday, February 23, 2017 by kelvin

math
the sum of two numbers is 20.one number is 3 time the other number . find the two numbers?
Thursday, February 23, 2017 by Jo

math
there were 825 pupils in a school. 52 percent were boys. more boys joined the school and the percentage of boys became 64 percent of the new total. how many boys joined the school?
Thursday, February 23, 2017 by peter

Math
Can someone explain how to solve this equation using each step? I'm confused. (2^8⋅5^−5⋅19^0)^−2⋅(5^-2/ 2^3)^4⋅2^28
Wednesday, February 22, 2017 by CCB

math
if secA=12/5 what is the value of A
Wednesday, February 22, 2017 by Shamim Hossain

Math
Graph y = -2X an y = -Xsquared what points do the graphs have in common? How are they different?
Wednesday, February 22, 2017 by Kaity Bear

Math/Calculus
Find the equation of the tangent line to the given equation at the indicated point a) y^2=cos(5x-3y) at ((2pi+3)/5, 1) b) x^2+x^2y+4=0 at (2,-2)
Wednesday, February 22, 2017 by Anonymous

math
Dallas was given a discount of 10 percent of the following items: 1/1/4 cartons of exercise books @ sh 42000 per cartons,ten cartons of pens sh 22000 each.How much did he pay all together after the discount of 10 percent? *I need anyone to help me please* And in case someone ...
Wednesday, February 22, 2017 by kelvin

Math
Use the table of values. x y -2 -5 0 -1 1 1 2 3 A. Graph the ordered pairs. B. Is the function linear? Explain. C. Write a rule for the ordered pairs in terms of x and y. D. What is the value of y when x = 10?
Wednesday, February 22, 2017 by Anonymous

math
Find the cost of buying 4 dozen of exercise books at sh 6000 per dozen,a half dozen of pencil at sh 2050 per dozen,5 dozen rulers at sh 3600 per dozen #i need anyone to help me please# and in case someone know where i can get such the questions,i am kindly need for practice *...
Wednesday, February 22, 2017 by kelvin

Math Derivatives
Find f''(2) of function f(x)=xsin(pi/x)
Wednesday, February 22, 2017 by Anon

Math - Related Rates
Air is being pumped into a spherical balloon at a rate of 2 cubic meters per minute. At what rate is the radius changing when the volume of the balloon is 36pi cubic meters?
Wednesday, February 22, 2017 by Sophie

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