Math

Recent Math Questions

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Find two binomials whose sum is 4x^2 - 4x - 15

math
Find two fractions in lowest terms with unequal denominators whose difference is 2/7?

math
The area of a spherical balloon expand at a rate of 0.4cm square/s .find the rate at which its volume expand when the radius is 12cm

Math
There are four different kinds of animals on the farm. There is a different number of each kind of animal. There are 19 more cows than sheep. There are 19 more ducks than hens. There are more hens than cows What is the answer

math
Mrs koh is now 58 years old and corrine is 28 years old. How many years ago was mr skoh 6 times as old as corrine?

Math
In what proportion should you combine 2:5 soaking solution and distilled water to create 1:20 solution?

Math fp1
I have a general question For example we have matrix M1 and mattix M2, 2x2 both I wanna do the product m2m1m1m2m2m1m1m2 Is there a shortcut like factorising? Can you give me some basic rules about these please? Thank you

Math
How to get 44 using the digits in 2017. You can use +,-,×,÷,√,!,!!,exponents. Double digit numbers are allowed

split level for 200,000 put down 30% assuming rate of 11 1/2% on 30-year mortgage, determine monthly payment.

math
In one minute, Sasha takes 43 steps. It takes her 301 steps to travel from her house to the shops. If she leaves home at 10:24,at what time will he reach the shops if he walks steadily?

math
the distance between two towns A and B is 150 kilometers. This distance is represented on a map by a length of 300 millimeters. If the scale of this map is in the form of 1:a, find the value of a

Math
The 6th and the 13th term of a GP are 24 and 3 by 16 respectively find the sequence

Math
Show that the bisector of the vertical angle of an isosceles triangle bisect the base at right angles

math
Compound Interest formula solution P[1+r/100]t?

math
An element has a half-life of 30 years. If 1.0 mg of this element decays over a period of 90 years, how many mg of this element would remain? Begin amount is 1.0 elapsed time is 90y half life 30 years n=9/30 n=3 90/2^2 90/8 = 11.25mg thinking it's wrong not sure what I missed...

math
Double the difference of 21 and 8, and then add 6 Create the expression using number and symbol

Math
If x > |y| > y then which of the following is equal to |x+y| - |X| + |y| answer choices a 0 b 2x + 2y c 2x d 2y

Math
If 4 to the x power is 6 then what is the value of 8 to the power of x answer choice a 8 b 6 time square root of 6 c 9 d 9 times square root of 6 explain pls

Math
Following the recent​ census, State​ A, with a population of 13.5 ​million, was allocated 23 representatives. State​ B, with a population of 12.4 ​million, was given 16 representatives. Assume one more representative is to be assigned to one of these states. How do I...

Math
A.B a decimal. IF the average of A and B is the decimal A.B, how much greater is A than B? Answer Choices a. 18 b. 20 c. 24 d. 30

Math
When asked a question about age 17, Galixia replied "in three years y age will equal to the sum of my birthday year" what year did it take place answer chhoices a.1970 b.2000 c.1993 d/1990 Ps. Heres the answer (D) Explain please

Math
The spinner is divided into equal parts 1, 3, 4, 2. IF you spin it twice, what is the probability that you get a prime number. Explain please.

Math
A uniform width boardwalk is built around the inside edge of a rectangular parkland that is 30 m by 5 m. If the boardwalk takes up 20% of the lot, how wide is the boardwalk to the nearest cm?

Math 6b
Estimate the sum of a circle with a radius of 27m. Use (22 over 7) for pie A(258 square meters B(1125 square meters C(2291 square meters D(5253 square meters I think C. Thank you

A uniform-width boardwalk is built around the inside edge of a rectangular parkland that is 30 m by 5 m. If the boardwalk takes up 20% of the lot, how wide is the boardwalk to the nearest centimetre? I know that the total area= 150m^2 boardwalk area= 30m^2 and the parkway area...

A uniform-width boardwalk is built around the inside edge of a rectangular parkland that is 10m by 5m. If the boardwalk takes up 20% of the lot, how wide is the boardwalk to the nearest centimetre? I have no idea what to do after figuring out that: Total area= 150m^2 Boardwalk...

math
4/5+3/5

Math
A book is in the shape of a right rectangular prism. It measures 812 in. tall, 7 in. wide, and 212 in. thick. What is the volume of the book? 4712 in³ 8012 in³ 14834 in³ 17912 in³

math
if logb C= A, explain why logb 1/c = -a

math
Simplify 0.4(−4.5

math
suppose the tiger cup soccer tournament, 8 teams qualify for the final around. if the organizers adopt a single-elimination method for the final round, i.e, winners play against winners until only team is left. what is the total number of games played and how many games ...

Math
. Given that x²cos y_sin y=0,(0,π). A. Verify that the given points on the curve. B.use implicit differention to find the slope of the above curve at the given point. C.find the equation of tangent and normal to the curve at that.

math
which equation has (2 -1) as a solution a y=2x-1 b y=x+3 c y=x-3***** d y=-2x+1

If the original bill is 22.50 what will be the final bill after a 15% tip is paid Round to the nearest cent 25.88*** 18.72 3.38 24.75 I already figured out the answer but how would i explain it?

Math
The volume of a triangular prism is 132 cubic inches . The height of the prism is 11 inches. What are the dimensions and base length of the triangular surface

consumer math
Adam has created a register for the bank account he opened on April 16th. Unfortunately, Adam has made a mistake and cannot figure out where he went wrong. Use the transaction descriptions below to determine where his error is. The account was opened on April 16 with a tax ...

Math
A local club is arranging a charter flight to Miami. The cost of the trip is \$225.00 each for 75 passengers, with a refund of \$5.00 per passenger for each passenger in excess of 75. How many passengers must take the flight to produce revenue of \$16,000.00? No. of passengers = ...

math
Asha wants to buy a smart phone. Three stores have the model she wants advertised as follows: I shack regular price \$5,800. Discount 20% off Mobile-T - Regular price 5610. Discount 1/3 off Cell G - Sale price 3,860 a) What is the cost of the smart phone at I Shack b) Mobile-T

math
In one day, Factory A produces 1650 video games, while Factory b produces 123 Fewer video games than Factory a a) How amny video games does Factory B produce in one day? b) How many more video games are produced by Factory A than by Factory B in Five days? c) Factory A wants ...

math
choose the appropriate metric unit for the mass of concrete in a section of sidewalk? a:kilogram b:milligram c:gram d:meter

math-consumer arithmentic
(second question of 2 that i need help with) A \$25000 loan is repaid over 8 years with monthly instalments of \$391. What was the interest rage (p.a.) changed on the loan?

math
Students of a standard 4 class planted ochro plants for their CAC project. If the plants increased every week in height by .25 metres every week. How many weeks would it take for the plants to grow to a height of 1 metre?

math - consumer arithmetic
Joe and Wendy bought a house costing \$210000. They paid a 35% deposit and borrowed the remainder at a flat interest rate of 7.75% p.a. payable over 25 years. What is the amount of their total monthly instalment?

Math, Algebra
So I've tried for two days to figure out this problem. I tried to ask my friend to help me but she just won't. My parents don't know anything about math, they said so themselves. The first day I tried I cried I got so frustrated. The second day I just gave up. Today is my last...

MAth help connexus
every function pairs __________ output value with one input value A more than one b at least one c exactly one. PLz help

Math
A 26 long painting is how many yard long

math - trigonometry
A bushwalking party leave P and walk on a bearing of 335(degrees) for 11.4km until they reach Q. From Q they walk on a bearing of 65(degrees) for 18.7km at which point they arrive at R. a) What is the distance between R and P to 3 sig. figs.? b) What is the bearing of R from P...

Fundamentals Of Math
A plumber would like to cut a pipe 60 cm long into two piece. One piece is 10 cm longer than the other. Find the length of the two piece

Math Measurment unit test
1. find the area of the parallelogram with base b and height h b = 74 h = 14.8 2. Find the area of the triangle (I have the answer please correct it) 28 x 7.1 divided by 2 is 99.4

math
NEED HELP NOW TALKING TEST NOW HELP!!! Triangle ABC is an equilateral triangle. how many lines of symmetry does triangle ABC have? a 0 b 1 c 3 d 6

Math
Samantha is going to buy a new Dodge Saturn for \$20800. After a 5% down-payment the dealership will offer a loan for the remaining value of the car at 3.25% APR for 4 years. Round all answers to the nearest penny. Use Web Loan Calculator to find some of the answers here. How ...

Math
tacy is going to buy a new Kia Saturn for \$17900. After a 5% down-payment the dealership will offer a loan for the remaining value of the car at 2% APR for 5 years. Round all answers to the nearest penny. How much will Stacy have to have for a down-payment? \$ How much money is...

math
A boy draw the frame of a picture to a scale of 1cm to 15cm.if his drawing has 5cm length and 3cm as breath, what is the actual length and breath of the picture?

math
the trip from town A to town B was travel at 5 km/h, and the trip back at 4 km/h. What was the average speed?

math
a water tank is a cubiod with dimensions 40cm by 90cm by 70 cm. the tank is initially empty and is then filled with water which flows from a pipe of cross sectional area 1.2 sqcm at a speed of 3.5m/s. calculate the timein minutes that it takes to fill the tank completely.

Math
Write a real world context for five to three

Math
Carol has 8 3/4 yards of material. She needs to use 1/3 of the material to make a dress. How many yards of material will she need to make the dress?

math
A river flows at the speed of v from west to east. How should a man who is at a point A of the southern bank of the river, which is d meters away from the river, and wants to reach a point B on the northern bank of the river, which is 2d meters away from the river, choose his ...

Math
I NEED TO KNOW HOW TO DO THE WORK FOR THIS QUESTION!!!!!!!!!!!!!!!!!!! Find the length of each side(triangle) first side-x second side-x+2 third side-x+3 Perimeter=35m "answer = 10m, 12m, 13m" ^^^^how do you get this???

since i cant put this picture on here what is the area of a trapezoid with this on it 8 cm, 5 cm, 4 cm,6 cm and 11 cm??

Math
Solve by substitution :addition, substration or multiplication 2X+10Y=2 and 3X-5Y=-17 X= Y=

Math
Solve by substitution :addition, substration or multiplication 4X+3Y=19 and 6X+3Y=33 X= Y=

Math
Solve by substitution :addition, substration or multiplication 2X+2Y=-2 and 3X-2Y=12 X= Y=

Math
A fair coin is tossed two times in succession. The set of equally likely outcomes is {HH, HT, TH, TT}. Find the probability of getting exactly one head. The probability of getting one head

math
solve by substitution: addition, subtraction or multiplication. 3X+Y-11 and -2X+Y=1 X= Y=

Math
Six neighbors share four pies equally how much of pie does each neighbor get

Math
DJ was thinking of a number. He said it had 2 digits, it ended in 5, and the number in the tens place was a 4. What number was he thinking of?

Math 120
A box contains 10 ​transistors,4 of which are defective. If 4 are selected at​ random, find the probability that a. All are defective. b. None are defective.

Math
Complete the function table and write the function rule. Input (x) -------------- | 32 | 20 | |-------|-------| | 14 | 2 | |-------|-------| | ? | -6 | |-------|-------| | -2 | -14 | |-------|-------| | -10 | ? | ----------------- Please help I am completely confused anything ...

Math
Sharon runs on a trail that is 8 1/2 miles long. She ran 1/3 of the trail and walked the rest of the way. How far did she run?

Math
2X-3Y=-24 and X+6Y=18 X= Y=

Math
3X+Y-11 and -2X+Y=1 X= Y=

Math
Ellen's carton is 3/7 full. Fern's carton is 3/10 full. Kyle's carton is 3/4 full Who has the least amount left in their carton?

Math
If x is between 0 and 90 what is sin x if sinx^(1/2)=cosx. How can I do it without a calculator??

math
jeb earns \$8 per hour. He gets a raise of 3.5%. How much is his raise?

The distance between mountianview and crowntop is 6.5 inches on a map. if the scale on the map is 1 inch= 25 miles what is the actual distance between the two towns i have the correct answer it is 162.5 miles the etcher gave us this answer but how would i explain how she got ...

Math
6 friends share 5 apples equally. How much apple does each friend have?

Math
Matthew drew a building to scale so that 2.7 inches represented 81 feet. How many feet would 2.8 inches represent?

math
(-9)-(+21)=

Math
A rectangular piece of cardboard measuring 12 cm by 18 cm is to be made into a box with an open top by cutting equal size squares from each corner and folding up the sides. Let x represent the length of a side of each square in centimetres. a. Give the restrictions on x. b. ...

math
(-18)-(+11)=

Math
The point C(-3,1) is translated to the left 4 units and up 1 unit. Write the rule for this translation. What are the coordinates? (x,y)-> (x+4,y+1);(7,-2) That is my answer. Am I right?

Math
1. Graph the points A ( -5,0) B ( -4, 3) and C ( 0, -4) A B C D 2. Identify the quadrant in which (3, -6) lies A II B IV C I D III 3. Determine which ordered pair is a solution of y = 2x - 3 A ( -2, 7) B ( 0, 3) C ( -4, -11 D ( 5, -7 5. Graph the linear equation y= 3x + 3 A B ...

Math
Given that x²cos y-sin y=0 ,(0,π): a)verfiy that given point is on the curve. b)use implicit differentiation to find the slope of the above curve at the given point. c)find the equation for tangent and normal to the curve at that point.

Math
A sports reportor said that 2 out of every 3 people at a home town base ball game named baseball vs their favorite sport the reporter claimed that baseball was the mostpopular sport in town which of th following explains why the reporters might not be true A only sixty percent...

Math 120
In how many different ways (counting the orders) can the San Diego Chargers score exactly 10 points in a football game? Points are scored as follows: A safety scores 2 points, a conversion scores 2 points, a field goal 3 points, a touch down 6 points, and a point after touch ...

Math
Find the three rational number of 5 and -2

Math
If the hypotenuse of a right triangle is a=3cm, so A=90 degrees, and the square of the sum of the other two sides is 17, what is the area of the triangle? so basically, (b+c)^2=17 I think you are supposed to use trigonometry to solve it but I don't know how.

math
Sins=335sin59°÷x

math
(sinx)^(1/2)=cosx x is between 0 and 90 What is sinx

Math
Fined the quotient

math
The box and whisker plot below shows the numbers of text messages received in one day by students in the seventh and eighth grades at Lincoln Middle School.

Math
A bank account was opened with a deposit of \$2750 at an APR of 3.5% compounded one of the following ways. Find the amount in this account after 6 years with compounding of: (round answers to nearest 100th) annually: \$ semi-annually: \$ quarterly: \$ monthly: \$ weekly: \$ daily...

Math
in 2016, you purchased a new car for \$20,000. The value of the car depreciates at a rate of 18% per year. The value V of the car after t years is given by the function V(t)=20000(0.82)t. When will the car be worth three-quarters of its original value?

MATH: Check my answers | HELP ASAP!!
A parking lot space is in the sape of a retangle. if the space has a length of 23 ft and a width of 12 ft, what is the area of the parking lot? A.128 ft B.266 ft C.276 ft######### D.138 ft Check my answer please! I think I'm right.

math
A thrill ride at an amusement park holds a maximum of 12 perople per ride. write and solve an inequality to find the least number of rides needed for 15,000 people. Do you think it is possible for 15,000 people to ride the thrill ride in 1 day? explain

math
find 4 numbers that 5 divide into equaly

Math
WHICH KIND OF FUNCTION BEST MODELS DATA IN THE TABLE 0 -1,1 -0.5, 2 0, 3 0.5,4 1 I'm thinking quadratic because they are constant 0 1.7,1 6.8,2,27.2,3 108.8, 4 435.2 total confused here the x = 1 but the y's have no real sequence linear no quadratic no exponential don't think ...

Math
If there are 12 green pencils, 4 red pencils, 7 blue pencils, and 2 black pencils, what is the chance of picking a red pencil at random?

6th grade AC math. Rates? I think
1 lap around a track = 1/5 of a mile. A horse horse ran a total of 3 laps in 1 minute and 30 seconds. What's the horses average speed in miles per Minute? I've tried so hard all I can come up with is 1/5 of a mile per each 1/2 minute (30 seconds) is that right pleas help

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