Monday
November 30, 2015

# Homework Help: Math

## Recent Math Questions

math help azap
What is the value of x? 6x-2(x+4)=12 x=
Wednesday, October 28, 2015 by flaca

math
What is the value of x? -5x=-35 x=
Wednesday, October 28, 2015 by flaca

math
determine which two values the following expression is between? A.10.24 and 10.89 B.9.61 and 10.24 C.9 and 9.61 D.10.89 and 11.56 plz i really need someones help!!
Wednesday, October 28, 2015 by ter

math
which number will have the same result, when rounded to the nearest ten or hundred? 97 118 and 5 179 5,091
Wednesday, October 28, 2015 by Elsa

Math 6-7
What is the definition of prime factorization?
Wednesday, October 28, 2015 by Versace

math
if one car drives at 83 mph and the other drives at 83 mph how long until their 83 miles apart. i did 83x + 48x = 83 131x = 83/131 divided by 1 x = 83/131 multiply by 60/1 = 131 multiplied by 60 = 2.2 i got 2.2 hours
Wednesday, October 28, 2015 by lexus

Danika has a board that is 4 yards long. How much needs to be sawn off to make the board 2 feet 8 inches long? A) 1ft 4in B)9ft 4in C)8ft 6in D)2ft 6in
Wednesday, October 28, 2015 by Bob

Math
-12, 60, -300, 1500 what are the next two numbers in the pattern?
Wednesday, October 28, 2015 by Loretta

Math
Find the value of cos2x. cosx = -2/3 pi/2 < x < pi Is this -1/9?
Wednesday, October 28, 2015 by Anonymous

Math
How do I get (sinx cosy + cosx siny) (cosx cosy + sinx siny) in the form of 1/2(sin2x + sin2y)?
Wednesday, October 28, 2015 by Anonymous

Math
Are my statements correct? U={1,2,3,4,5,6,7,8}, A={1,3,5,7}, and B={4,5,6} My statements: A⊆B B⊆U
Wednesday, October 28, 2015 by Kaai97

math
if a brush can be 1/8 inch longer than 5 1/4 inch .what is the maximum length if can be?
Wednesday, October 28, 2015 by le

Math
Write the solution to the inequality in set-builder notation. 9t-4>32 a. {t|t>4} b. {t|t>6} c. {t|t>28} d. {t|t>36}
Wednesday, October 28, 2015 by Kaai97

Math
Find the equation of the line of intersection of the two plane given by x+y+z=5 and 4x+y+2z=15 Pls help me to solve this.. After i use cross product i got (1,2,-3)..Then what should i do?
Wednesday, October 28, 2015 by Yong

math
what is 10 5/18 - 8 5/6 A. 2 5/9 B. 2 13/18 C.1 4/9 d. 1 11/18 I think It is B?
Wednesday, October 28, 2015 by john

MATH help
What is the value of x? x/4-5=6 x=
Wednesday, October 28, 2015 by flaca

What is the value of x? -5x=-35 x=
Wednesday, October 28, 2015 by flaca

math
What is the value of x? 12-x=7 x=
Wednesday, October 28, 2015 by flaca

math help azap
What is the value of x? x+15=8 x=
Wednesday, October 28, 2015 by flaca

Math
two boats leave the same port at the same time. one travels at a speed of 29 mph in the direction N 50 degrees E and the other travels at a speed of 35 mph in the direction S 70 degrees E. how far apart are the two boats after an hour.
Wednesday, October 28, 2015 by Claire

Math
Find the equation of the line of intersection of the two plane given by x+y+z=5 and 4x+y+2z=15
Wednesday, October 28, 2015 by Yong

Math HELP!
what is 9,348+102+5,802+1,933=
Wednesday, October 28, 2015 by Kailyn

math
use a trial and error strategy to solve this problem.two years ago sam was two-thirds of pam's age. in three years sam will be three-fourths of pam's age. in 20 years the sum of their ages will be 69. how old is sam?
Wednesday, October 28, 2015 by kasia

math
Dracula, Frankenstein, Mummy, Gilda and Zelda are all having a Halloween party. Each of them has given an invitation to all of the others. How many invitations have been given out?
Wednesday, October 28, 2015 by Sally

MATH
Sal's Sandwich Shop sells wraps and sandwiches as part of its lunch specials. The profit on every sandwich is $2 and the profit on every wrap is$3. Sal made a profit of $1,470 from lunch specials last month. The equation 2x + 3y = 1,470 represents Sal's profits last ... Wednesday, October 28, 2015 by Lucy math Mary purchased 4 blouses, 2 jackets, and 3 skirts. How many different outfits using a blouse, a jacket, and a skirt are possible? Wednesday, October 28, 2015 by Anonymous math Each child has 3 pencils if there are 225 children how many pencils are there in total Wednesday, October 28, 2015 by pragathi Math Two individuals, A and B, are finalist for a chess championship. They will play a sequence of games, each of which can result in a win for A, a win for B, or a draw. Outcomes of successive games are independent with P(A wins) =.3, P(B wins)= .2, P(draw)=.5. Each time a player ... Wednesday, October 28, 2015 by Brandy Math First vehicle is traveling at 50 miles per hour. Second car is traveling at 65. They ate 15 feet apart when the second cars slammes on break. Will they have a empack and at what speed. Wednesday, October 28, 2015 by Julia Math Are these the solutions to sin2x sinx = cosx? pi/2, 3pi/2, 3pi/4, pi/4, 7pi/4, 5pi/4 Wednesday, October 28, 2015 by Anonymous Math At noon, ship A is 10 nautical miles due west of ship B. Ship A is sailing west at 25 knots and ship B is sailing north at 21 knots. How fast (in knots) is the distance between the ships changing at 5 PM? Wednesday, October 28, 2015 by victoria 11th grade math Simplify each expression. Your answer should still be in exponential form. Make sure that you combine all numbers with the same base. y^a/y^b Wednesday, October 28, 2015 by Claire math Simplify each expression. Your answer should still be in exponential form. Make sure that you combine all numbers with the same base. y^a/y^b Wednesday, October 28, 2015 by Claire math Simplify each expression. Your answer should still be in exponential form. Make sure that you combine all numbers with the same base. \frac{r^{5}s^{3}}{rs^{2}} Wednesday, October 28, 2015 by Claire MATH PRE ALGEBRA Estimate 14.16÷6.82 Wednesday, October 28, 2015 by Sherwanda math Of the 34 students in a class, there are 2 fewer students with blue eyes than there are students with hazel eyes. Also, there are twice as many students with brown eyes than there are students with blue eyes. Which of these is either the number of students with blue eyes, the ... Wednesday, October 28, 2015 by jim Math Which of the following is equal to the expression below? Wednesday, October 28, 2015 by Joshua Math In a high school reunion, the organizers decided to sell 1500 raffle tickets at 1000 each for the four prizes of 250,000 125,000 75,000 50,000 What is the expected value of one ticket? I got -670, is this correct? Thanks! Wednesday, October 28, 2015 by Jen math Ken borrowed$76.14 from his brother. Last month he paid him one-third of what he owes. Ken told him that next week he'll be able to pay 50% of what is still owed. After that payment, how much will Ken still owe his brother? plz!! i really need help
Wednesday, October 28, 2015 by ter

math
y= 3x+ 9
Wednesday, October 28, 2015 by chris

Math
Mark needs to cut a piece of glass to replace a broken window. He has four pieces of glass: 6 feet long, 5 feet long, 3 feet long, and 7 feet long. If the length of the glass he needs to cut is feet long, which piece of glass should he cut to have the least amount of unused ...
Wednesday, October 28, 2015 by MsHemmoPenguin

MAth
1.solve the inqulitey m-7<6 m<-13 m<1 m<-1 m<13 <-- 2.n-8>5 n>-13 n>1 <-n>13 n>-1 3.p+5<10 p<-15 p<5 p<15 p<-5 <-- 4. the science class is taking a trip to the science center. There are 20 students and an unknowed number of...
Wednesday, October 28, 2015 by DEEZ GOT HEE

maTH
1.solve the inqulitey m-7<6 m<-13 m<1 m<-1 m<13 2.n-8>5 n>-13 n>1 n>13 n>-1 3.p+5<10 p<-15 p<5 p<15 p<-5 4. the science class is taking a trip to the science center. There are 20 students and an unknowed number of adults. The bus ...
Wednesday, October 28, 2015 by AABBCC

math
1( which number is the solution for m + 90 = 150 A( 50 B( 60 C( 140 D( 240 2(which number is the solution of n/3 = -12 A( -36 B( -4 C( 4 D( 36 3( use mental math to find the solution of 19b = 190 A(10 B(11 C(171 D(280 4(estimate the solution of y + 1.8 = 3.14 to the nearest ...
Wednesday, October 28, 2015 by cross fire

Math
If you are 15 how old will you be when you get out of high school?
Wednesday, October 28, 2015 by Aaliyah

math
Don bought a long sleeve shirt for 24.80. If the sale was 20% off, how much was the shirt originally? A)32.00 B)49.60 C)31.00 D)34.50 my answer is 31.00
Wednesday, October 28, 2015 by Anonymous

math
Don bought a long sleeve shirt for 24.80. If the sale was 20% off, how much was the shirt originally? A) 32.00 B) 49.60 C) 31.00 D) 34.50
Wednesday, October 28, 2015 by Anonymous

math logarithm
16.32*0.00635/0.0482
Wednesday, October 28, 2015 by logarithm

math
a rectangular tank,50cm long and 30cm wide,contains water upto a height of 9 cm.a box of dimensions 25cm,25cm,20cm is not placed in the tank so that its square faces rest on the bottom of the tank. the quantity of the water that must be poured into the tank in order to just ...
Wednesday, October 28, 2015 by madhulika

math
5 part question. 1st part is Mr. Black has 3 baskets of apples in his store. in each basket are 9 red, 6 granny, 5 empire, 3 Fuji and 1 honeycrisp. What is the total number of each kind in the basket. We have 72 as the answer.
Wednesday, October 28, 2015 by Tracy

Math
Just learned log rules and I don't get it. How do you solve log5x^2 + 4log5x = 12 ? Thanks in advance.
Wednesday, October 28, 2015 by Ken

Math
Graph of f(x)=log_2(x) has been transformed to g(x)=alog_2(x)+k. The transformed image passes through the points (1/4,-9) and (16,-6). Determine a and k. No idea. Thanks!
Wednesday, October 28, 2015 by Bethany

MatH
1.solve the inqulitey m-7<6 m<-13 m<1 m<-1 m<13 2.n-8>5 n>-13 n>1 n>13 n>-1 3.p+5<10 p<-15 p<5 p<15 p<-5 4. the science class is taking a trip to the science center. There are 20 students and an unknowed number of adults. The bus ...
Tuesday, October 27, 2015 by AABBCC

Math
Golds gym charges $150 to sign up and$10 per month. Fitness express charges not initial fee but charges $25 per month. When will the cost be the same? Show work please!! Tuesday, October 27, 2015 by Michelle Math Trina works after school and on weekends. She always works three days each week. This week she worked 2 3/4 hrs on Monday. 3 3/5 hrs on Friday and 5 1/2 hrs on Saturday. Next week she plans to work the same number of hrs as this week but will work the same number of hrs each ... Tuesday, October 27, 2015 by Crystal Math Riley and Justin shared a cash prize in the ratio 2:5. Justin received$27 more than Riley. How much money did riley get?
Tuesday, October 27, 2015 by Jake

Math
How many 1 inch squares can be cut from an 18"x24" piece of contruction paper
Tuesday, October 27, 2015 by Alyssa

math
Solve for x: 3x − 5 = 2x + 6.
Tuesday, October 27, 2015 by bb

math
an airplane is flying at 350 km/h. after one hour, she notices that owing to strong winds, she is 48 km west of her intended flight path. at what angle to her intended flight path has she been flying
Tuesday, October 27, 2015 by bob larry

math
the square root of 23 over 3 is equal to a) square root of 3 b)3 c)9 d)12 I found no one poof these answers to be true.
Tuesday, October 27, 2015 by josh

Math
Draw a picture that shows an example of a product of two even numbers. Write the marching multiplication sentence.
Tuesday, October 27, 2015 by AlIna

Math
Jenna says that no row or column contains products with only odd numbers. Do you agree? Explain.
Tuesday, October 27, 2015 by AlIna

Math
1. The graph of y=2logbase5X-7 is reflected in the x-axis and translated 6 units up. I got y=-2logbase5X-1 as a result. The answer key says y=-2logbase5+13. How????
Tuesday, October 27, 2015 by Bethany

math
1/3 of lunch money was spent on a sandwich, 1/2 spent on water, 1/8 spent on chips. what fraction of money is left
Tuesday, October 27, 2015 by Tonya

math
Joyce is buying a pair of jeans for $39.99. The jeans are on sale at a 20% discount and the sales tax is 7%. Write a function T(x) to represent the total cost of an item with 7% sales tax. Find the composite function (T of S)(x).Use the composition to find the final cost of ... Tuesday, October 27, 2015 by cierra Math How do I find the solutions for cos2x - cos6x = 0? Tuesday, October 27, 2015 by Anonymous math Explain how you know if a number can be divided by 10 evenly Tuesday, October 27, 2015 by Angelica math (algebra) A construction crew built 6 miles of road in 2/7 days. what is the unit rate in the miles per day? Tuesday, October 27, 2015 by Anonymous Math If the value of a car decreased by 10 percent and is now worth$ 21,000. What was the original cost of the car?
Tuesday, October 27, 2015 by Joseph

math
Dina has 22 dimes in his piggy bank. He has 5 times as many pennies. How much money does Jim have all together? A) 3.30 B)1.22 C)3.50 D) 1.10
Tuesday, October 27, 2015 by Anonymous

math
Two runners are competing in a race. One runner averages a pace of 7 minutes per mile and finishes the race in 28 minutes. The second runner finishes the race in 30 minutes. Which of the following is the pace of the second runner? A. 7 minutes, 15 seconds per mile B. 7 minutes...
Tuesday, October 27, 2015 by alixie

Math
If a car decreased by 10 percent and is now worth $14,000. What was the original price of the car Tuesday, October 27, 2015 by Joseph Math The area of a rectangle mirror is 11 11/16 feet. The width is 2 3/4 feet. If there is a 5 foot tall space on the wall to hang the mirror will it fit explain. Tuesday, October 27, 2015 by Kylen math Danika has yellow 10 buttons.She has 6 times as many black buttons. How many buttons does she have? Tuesday, October 27, 2015 by jason Math - 3rd grade Mr. Thomas travel 20miles each week to and from work. If he works 5 days a week, how many miles does Mr. Thomas travel each day to go to work? Does this mean 20miles total for the week or that it should be 40miles total(20 miles to + 20 miles from)? 20miles/5days = 4 miles/day... Tuesday, October 27, 2015 by Jared math Lisa Has 5 blue buttons. She has a 3 times as many red buttons. How many buttons does she have? A) 15 B) 20 C) 25 D) 30 Tuesday, October 27, 2015 by toting math larry has a board that is 4 yards long. How much needs to be sawn off to make the board 2 feet 8 inches long? A) 1 ft 4 in B)8 ft 6 in C) 2 ft 6 in D/9ft 4 in Tuesday, October 27, 2015 by jason math break apart the addends to find the a sum 18+26= Tuesday, October 27, 2015 by kate math John can drive 50 miles on two gallons of gasoline. How many gallons will he need to go 298 miles? A) 12.10 B)5.96 C) 8.90 D) 11.92 Tuesday, October 27, 2015 by Dondi math 5 inches is what fraction of a foot? A. 1/3 B. 1/2 C. 5/12 D.5/24 my answer is C. is it correct? Tuesday, October 27, 2015 by dave math 1.352 pounds is what fraction of a short ton? A. 169/250 B.77/100 C. 2/4 D. 140/223 Tuesday, October 27, 2015 by joan math How are the real solutions of a quadratic equation related to the graph of the quadratic function? Tuesday, October 27, 2015 by cj math Lucas' last 4 test scores were 88, 95, 92 and 81. 90% or better is an A. What would he have to get on his fifth math test to pull up his grade to a 90? Tuesday, October 27, 2015 by tina 11 Grade College Prep Math-Based Physics Not good at physics, so could someone check these practice test questions please? Explanations are appreciated. 1. Which of Newton's Laws says you cannot touch anything without being touched? a) 4th b) 2nd c) 1st d) 3rd *** 2. A 3.00 kg ball is dropped from rest from the ... Tuesday, October 27, 2015 by Ana Math write in expression that represents four less than half a number, n Tuesday, October 27, 2015 by Hasan Math What is the average of 12,43,37 and 40 Tuesday, October 27, 2015 by Maisha Math Use the product-to-sum formulas to write the product as a sum or difference. sin(x+y) * cos(x-y) Tuesday, October 27, 2015 by Anonymous math the cost in dollars of a school banquet is 74+12n where n is the number of people attending what is the cost for 52 people ? a.$550 b.$698 c.$624 d.$138 Tuesday, October 27, 2015 by mouse math evaluate the expression 3(y+1)for y=2 a.6 b.9 c.7 d.8 Tuesday, October 27, 2015 by mouse 11 Grade Math-Based Physics Could someone check these practice test questions over for me? I'm not good at physics at all, so I would love an explanation. 1. A projectile is shot an angle into the air. Neglecting air resistance... 1a. It's horizontal acceleration is a) 9.8 m/s^2 b) 0.0 m/s^2 *** ... Tuesday, October 27, 2015 by Ana Math karen collects 6/7 quart of rainwater. she uses 1/2 of the water to clean her bicycle and uses the remaining water equally for 3 houseplants. What volume of water does she use for each houseplant? Tuesday, October 27, 2015 by Debbie Math Pencils are sold in packages of 5.explain why you need 6 packages in order to have enough for 27 students. Tuesday, October 27, 2015 by Anonymous math find a 3 digit number less than 500 in which the 3 different digits are add up to 8. Tuesday, October 27, 2015 by maida math I'm so lost I have no idea. Please help Write the equation of the line that represents this graph. Show your work or explain how you determined the equations. graph of line going through ordered pairs (0, 300) and (450, 0) Tuesday, October 27, 2015 by Lucy Math 3 what is the local max and local min of y= 1/21(x-3)(x-3)(x+7) Tuesday, October 27, 2015 by Nagwa math Find the values of the trigonometric function cot -8/17 sin: sec: tan: cot: I know you use a Pythagorean Identity, sin^2t + cos^2t=1 I got 64/289 for the first one for example and it was wrong. Monday, October 26, 2015 by john 8th grade math Angle ABC=62° and angle ACB=66° what is the angle DAB? Monday, October 26, 2015 by elijah Math How much would you pay for a pint of milk if you bought 5 gallons of milk for$28?
Monday, October 26, 2015 by Alana

math
Nils has 60 mins for 20 question test. It take 20 min for her to answer 12 questions. What is the greatest amount of time she can take for each of the 8 remaining questions
Monday, October 26, 2015 by Felicity

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