Math

Recent Questions

Math help again!
Solve each system of inequality by graphing 17)y>-x+5 y<3x-4 Can someone help me on this i just don't understand it that well

math
(a) Tyler takes the 10 pieces that were left from each board after his father cut the 2.25-foot-long boards. He lays them end to end on the ground. • What is the total length of the 10 pieces? • Use words and numbers to explain how you found your answer.

Math please help
There was a surge in math club membership after the fun Halloween party. When the principal asked Mrs. Germain how many students were currently in the club, she replied, "Three times our number plus a third of our number plus a fourth of our number plus you and me is two ...

Can someone help me Math problem!!
Determine whether the ordered pair is a solution of the linear inequality. 9)x<2;(-1,0) 13)3y>5x-12;(-6,1) Can someone help me with these two question please!!?

Math
There was a surge in math club membership after the fun Halloween party. When the principal asked Mrs. Germain how many students were currently in the club, she replied, "Three times our number plus a third of our number plus a fourth of our number plus you and me is two ...

Math
7% of what is 35

Math
A right circular cone has a height of 9 cm. Its slant edge makes an angle of 230 with the central axis. Calculate the radius of the base.

Math
Two mountains are 1020 m and 1235 m high. Standing on the summit of the lower one I look up through an angle of elevation of 160 to see the summit of the higher one. Calculate the horizontal distance between the two mountains and the distance between the two summits.

Math
3,-9,27,-81,243 what is the rule for this sequence?

math (trig)
Given tan 0 = -5/12 determine the possible values of 0 to the nearest hundreth So what I did is find that tan-1(5/12) equals 0.35. Then because tan can be negative in quadrants 1 and 3 subtract 0.35 from pi and then from 2pi. So I got 2.79 and 5.933 I'm not sure if this is ...

Math
Solve each system by graphing. Check your solution. 11) y=1/2 x + 7 y=3/2 x + 7 13) y=x - 4 y= - x Can someone help me understand help me figure it out these two question??

Math
The price of a gallon of unleaded gas was $2.86 yesterday. Today, the price fell to $2.81 . Find the percentage decrease. Round your answer to the nearest tenth of a percent.

math (log)
Express as a single logarithm 2log3 + 4log2 I'm confused as to how to do this, I keep getting the wrong answer. Thank you!

Math
Find the cost of a circular carpet whose diameter is 18.2m at rate of Rs.32m^2

math
Raziya has 9 stamps that are each 3 cm long. Will all 9 stamps fit into a single row across a stamp album that is 24 cm across

Math
-2v - 7 =-23 15 8 -8 -15** Please help I do not know how to do these!

math
Billions of dollars have been raised to help in the fight against malaria. The following table shows the value of some of the donations: What is the average of the values listed in the table?

math's
Three cubes each of volume 125 cm are joined end to end to form a cuboid. find the total surface area of cuboid.

math's
Three cubes each of volume 125 cm are joined end to end to form a cuboid. find the total surface area of cuboid.

Math
Find the unit rate. In 10 months, 62.6 gallons were used. A. 0.16 gallon/month B. 10 gallons/month C. 6.3 gallons/month D. 626 gallons/month********************

Math
1:If the measure of <YZX is 25*, what is the measure of <XYZ? 2:The intersection of roads S and T creates a 44.4* angle. What are the complementary and supplementary angles of this intersection? 3:Which equation can be used to find the measure of an angle that is ...

5th grade Math
1. Stan brought candy for his friends that weighed 7/8 pounds. If he split it up equally among himself and 4 other friends, how much candy did they each eat? (7/8) /5 = (7/8)*(1/5) = 7/40 pound 2. Yesterday, Jill drank 6 gallons of water this week. If her water bottle holds 2/...

Math
A certain house costs $285,000. It is estimated that the price of the house will rise 5% each year. If the prices actually rise at that rate, what will the price, P, of the house equal in y years? a. Fill in a table for the price of the house in each year after the start (year...

Math
Mwachia and Mbuu shared some money in the ratio 5:2. Mbuu received sh 30 less than Mwachia. How much money did Mbuu get?

Math
There are eight boxes of juice in a pack there are six packs in a stack and 10 Stacks in a case how many boxes of juice are in a case

math
A collection of coins has a value of 64 cents. There are two more nickels than dimes and three times as many pennies as dimes. How many of each kind of coins are there?

math
7+(x-9/24)times40=480 what is x

math
44-(7695/x)=25 What is x.

math
Write two mixed numbers so that all rules are applied: 1. One number is larger than the other by 4 2/3 2. The difference of the numbers is equal to the smaller number. 3. The sum of the numbers is natural number. What are the numbers?

Math
Erica rolls a 6 sided number cube once. What is the probability that Erica roll a 3

math
The sum of two consecutive numbers is n+1. What are the numbers?

math
a three digit number has ten digit two greater than the units digit and the hundreds digit one greater than the tens digit. the sum of the tens and the hundreds is three times the units digit. what is the number

math
Sheri's age in 20 years will be the same as Jerry's age right now. Ten years from now, Jerry's age will be twice Sheri's. What are their present ages?

math
The original radius of a cone is quadrupled. Determine the simplified formula for the new SA of the cone

Math
A rectangular room holds a rectangular carpet in the center of measuring 8m by 16m.. The width form the edge of the carpet to each wall is the same. The area not covered by the carpet is 112m. What is the width of the uncovered area around the carpet?

Math
A parking garage charges a base rate of 3.50 for up to 2 hours, and an hourly rate for each additional hours. The sign below gives the prices for up to 5 hours of parking. Parking rates: 2hrs. $3.50 3hrs. $9.00 4hrs. $14.50 5hrs. $20 Which linear equations can be used to find ...

Math
a rectangular prism 3cm x 5cm x 6cm is painted and is then cut into 1cm^3 cubes. What is the total unpainted surface area of these cubes? - Please help! I do not understand this question.

Math
shirley selles 7/12 of the jewelry she made of the remaining jewelry 3/5 are necklaces and the rest are bracelets what fraction of the jewelry is the unsold bracelets

math (trig)
For the following value of cos 0, determine the rad value of 0 for pi < 0 < 2pi (greater than or equal to pi and 2pi) -1/2 I don't understand I found out that the inner circle val is pi over 3. But I can't work out how to find 0

math
a man spends 4/5of his money, what fraction of his money is left?

math
The length of a rectangular room is two feet less than three times its width. The area of the rectangle is 176 square feet. a) Write an algebraic equation to model this problem. b) Solve the equation to find the dimensions of the rectangle. Another tutor helped me and I was ...

math
Will the product of two numbers increase or decrease and by what percent if one of them is increased by 50%, and the other is decreased by 50%?

math
what is -19 + 42

math 101
write a rate in simplest form comparing 550 gallons to 10 days

Math, help please
You buy clothing at a sale. You buy sneakers at 2/3 of their original price of $60, a sweater at 7/10 of its original price of $35, and a jacket at 7/10 of its original price of $45. Answer each question and show all your work. a. How much money did you spend? b. How much ...

Math
What is ratio of 102:99 and 86

Math
6x+3y=1

math
Judy spent 1/6 of her money on a pair of shoes and 2/5 of it on a bag. She then had $26 left. a) What Fraction of her money did she have left? b) How much money did she have at first?

Math
(secA-cosecA)(1+tanA+cotA)= tanAsecA-cotAcosecA

Math
Given triangleABC proportion to trianglePQR. If AB=4cm, BC=6cm, AC=9cm, and QR=4cm. What is the ratio of similitude?

Math
Two sides of a triangle are 8cm and 12cm long, and the altitude to the 8-cm side is 9cm. How long is the altitude to the 12-cm side?

Math pre algebra
-9p - 17 =10 please help me

Math
Given triangleABC proportion to trianglePQR. If AB=4cm, BC=6cm, AC=9cm, and QR=4cm, find the perimeter of trianglePQR

Math
If AB//CD//EF, BD=12cm, DF=16cm and AE=35cm, find AC

Math
In trianglePQR, if AB//QR, PA=3cm, PQ=8cm, and QR=9cm, how long is AB?

math
If you roll a 6-sided die 90 times, what is the best prediction possible for the number of times you will roll an odd number?

math (trigonometry)
A ferris wheel has a diameter of 100m and the bottom of the wheel is 4m above the ground. It rotates two times every 10 minutes. Using this information, complete each question. c) Determine the angular velocity of the Ferris wheel in radians/second d)How far (in meters) has ...

Math
Write an Equation of the line if x intercept is -2 and is parallel to the line 6x + 3y - 5 = 0

Math
Hi! Can someone check my answers for these two questions? Cheryl pours 1 pint of milk from a full 1-gallon jug. How much milk remains in the jug? 1 pint 3 pints 5 pints 7 pints** Ada buys 3 pounds 8 ounces of ham and 4 pounds 2 ounces of cheese for a party. How much ham and ...

Math
Elizabeth has 1 7/10 as many plants as Rosalie has in her garden. If Elizabeth has 51 plants, how many plants does Rosalie have? Is the answer 1/30?

Math
Question: x/15=3 My answer: 45 Am I correct? Did I make a mistake? I've been having problems with math recently, so I wont be surprised if I made a mistake.

Math
x + y = 21 what can be the smallest integer for positive xy

Math
Decoration:? Candy:45 Invitation:45 Music:40 Party hall rental:80 Food:65 Prizes:30 Costumes:40 Mary is planning a costume party. she spent $375.00 a show on the graph. How much of the money was spent, to the nearest Dollar, on the following items? 1.on decoration? 2.on food? ...

GRADE 12 APPLIED MATH
The Problem: The population of Manitoba from 1975 to 2010 is given in 5-year increments. Year/Population 1975 1,019,529 1980 1,033,557 1985 1,078,327 1990 1,102,752 1995 1,124,947 2000 1,144,428 2005 1,176,114 2010 1,226,738 1. Find a quadratic equation of best fit. 2. Find a ...

GRADE 12 APPLIED MATH
The Problem You are given a piece of cardboard that is 6 inches by 4 inches. You would like to cut equal-sized squares out of each of the 4 corners and fold the cardboard in such a way to make an open-top rectangular box. Part A: Complete the table below: Length of Square Cut...

GRADE 12 APPLIED MATH
The Problem: Create a quadratic function to model the height of an object thrown into the air with the following conditions The maximum height is between 90 and 100 m The object is starts on the ground The object takes at least 10 s before returning to the ground 1 mark for ...

GRADE 12 APPLIED MATH
The Problem: We have looked at the probability that two non-mutually exclusive events A or B can happen in this learning experience. We will take it one step further and look at the probability that event A or B or C will happen. The formula is: P[A or B or C] = P[A] + P[B] + ...

GRADE 12 APPLIED MATH
The Problem: Zared plays basketball on his high school team. One of the things he needs to practice is his free throws. On his first shot, there is a probability of 0.6 that he will make the basket. If he makes a basket, his confidence grows and the probability he makes the ...

GRADE 12 APPLIED MATH
The Problem: Two teams, the Exponents and the Radicals, square off in a best of 5 math hockey tournament. Once a team wins 3 games, the tournament is over. The schedule of the tournament (for home games) goes: E-R-E-R-E If the Exponents are playing at home, there is a 60% ...

GRADE 12 APPLIED MATH
There are online sports sites which offer free game simulations. For example, you can pick a sport (baseball, basketball, football, college football or basketball and hockey). Then pick any two teams from the same or different eras. Finally, simulate a game between those two ...

GRADE 12 APPLIED MATH
The Problem: Create three sets P, Q and R such that: P ∩ Q = P P ∩ R =empty set Click for more options Q ∩ R has exactly 3 elements 1 mark for creating 3 sets 1 mark for satisfying P ∩ Q = P 1 mark for satisfying P ∩ R =empty set

GRADE 12 APPLIED MATH
The Problem: Here is important information: Part A: You want to explore the costs of renting and buying a property that you're interested in during the year 2010. You have it narrowed down to a few homes in the same neighbourhood. All homes remain at the same value annually, ...

Math
40,50,60,70,80,90,100,110,120,130 according to the box and whisker plot shows above what are the following: 1.the median? 2.the 25th percentile? 3.the value of the third quartile? 4.the minimum value? 5.the maximum value? My answer 1.85 2.40 3.112.5 4.40 5.130 Can you check my...

GRADE 12 APPLIED MATH
The Problem: The set T is defined to be all two digit multiples of 2 under 25. 1. How many subsets are there for T? 2. Create a set, V, that is a subset of T. 3. State an element that is in T but not in V. 5 MARKS: 1 mark for showing work in a) 1 mark for correct answer in a) ...

math
The length of a rectangular room is two feet less than three times its width. The area of the rectangle is 176 square feet. a) Write an algebraic equation to model this problem. b) Solve the equation to find the dimensions of the rectangle.

Math
"How many ways are there to arrange some, but not all, of the letters in "Suspension" if at most once copy of each letter can be used? I have a start... I think the part that says "at most" one copy means that you have to remove one of the "s"'s thus having 9 letters to work ...

Math
If a 6-foot man has a shadow of 9 feet, how long a shadow would a 20-foot pole have?

Math
What should be the value of x so that the ratios 4:10 and x:12 will form a proportion

Math
Given triangleABC proportion to trianglePQR. If AB=4cm, BC=6cm, AC=9cm, and QR=4cm, find the perimeter of trianglePQR. What is the ratio of similitude?

MAth
The sides of a triangle are 15cm, 20cm, and 28cm. How long are the segments into which the bisector of the largest angle separates the opposite side?

Math
If a=25cm and b=2meters, what is the ratio of a to b?

Math
"It takes Nadia 4/9 h to complete her Language Arts homework and 2/9 h to complete her mathematics homework. Which takes longer? How much longer?" I don't understand what I'm supposed to do... Somebody please explain >_<

Math
A rectangular table is twice as long as it is wide. What is the perimeter of a table if it measures 1.5ft by 3ft ?

Math
Sorry for the repost, there was a mistake with the bracketing in the last one. Write (4/27)(2^((3+m)/3)+2^(m/3))^3 as a power of 2, show your work.

Math: quadratic function and equation
Given the quadratic function y=x^2-x+k-1 and line y=x+1, find the number of points that their graphs have in common. (Assume k>4)

math
You and your friend are selling tickets to a charity event. You sell 4 adult tickets and 11 student tickets for $148. Your friend sells 7 adult tickets and 5 student tickets for $145. What is the cost of a student ticket? $

Math
Evaluate 2/3 x for x=3/4 Hi, I don't know what they are asking me, can anyone help?

Math
Exercise 30: Velocities have both direction and magnitude and thus are vectors. The magnitude of a velocity vector is called speed. Suppose that a wind is blowing from the direction N45◦W at a speed of 40 km/h. (This means that the direction from which the wind blows is 45...

Math
Two sets of the same number and eight are added to five times the same number

Math
Which of the following values best approximates of the length of c in triangle ABC where c = 90(degrees), b = 12, and B = 15(degrees)? c = 3.1058 c = 12.4233 c = 44.7846 c = 46.3644 In triangle ABC, find b, to the nearest degree, given a = 7, b = 10, and C is a right angle. 35...

math
The cost cc (in dollars) for the fuel and maintenance of a go-cart is given by c=10x+1200c=10x+1200, where xx is the number of rides. It costs $40 per ride. How many rides does it take to break even?

Pharmacy math
A patient needs a total dose of 50 grams of albumin. The pharmacy has 50ml bottles of Albumin 25% in stock. How many bottles should pharmacy tech prepare to provide required dose? A.1 bottles B.2 bottles C.3 bottles D.4 bottles

Math
A tailor made 48 pieces of uniform. Half of the number of the uniforms was each made using 1 1⁄4 meters of material. A quarter of the remainder was each made using 1 1⁄2 meters of material and the rest was each made using 1 3⁄4 meters of material. The tailor also fixed a...

math please help!
write a general rule for transformations in the plane that produce similar figures

math
Claudia wants to test if the binomial 3x−6 is a factor of P(x)=3x^3−9x^2+9x−6. First, she evaluates P(_[blank 1]_). After simplifying correctly, she is left with a remainder of _[blank 2]_. Based on the remainder, she correctly concludes that 3x−6 _[blank 3]_ a factor ...

math
For the following regular polygons, find the following, round to the nearest tenth, if necessary. 1. 24-gon 2. 30-gon 3. Polygon with 40 sides

math
You are making costumes for the school play. Each costume needs a piece of ribbon that is 5858 yard long. How many yards of ribbon are needed for the 2424 costumes?

Math
Truck driver drives 980 miles in 34 hours. What’s his average mile per hour and how do I figure it out?

Math
For a class gardening project, 1/8 of Mrs. Jensen's students planted marigolds and 1/2 planted tulips. What fraction of the class planted either marigolds or tulips?

math
A sample of 50 students was surveyed on whether they owned an iPod or a mobile phone. The results showed that 38 per cent of the students owned both. Sixty per cent of the students owned a mobile phone, and there were four students who had an iPod only. What percentage of ...

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