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A car dealer purchases 40 new cars at 6,500 each. He sold 40% of them at 8,000 each and the rest of them at 9,000 each. What is
1. 1 answer
2. 970 views
1.Use 3.14 for pie to estimate the area of a circle. The diameter is given. Round your answer to the nearest hundredth if
1. 26 answers
2. 10,676 views
Did John Cena ever do math? It doesn't look like he did..
1. 2 answers
2. 481 views
Suppose x can be expressed as a function of y by x = 5y − 3.a. How can y be expressed as a function of x? b. What is the
1. 1 answer
2. 676 views
Two business partners, Ellen and Bob, invested money in their business at a ratio of 6 to 7. Bob invested the greater amount.
1. 3 answers
2. 1,506 views
Is x+3=2y and x=2y-3 have infinitely solutions or one solution or no solution
1. 1 answer
2. 448 views
I am confused on this. Can anyone show me where to start on how to solve it?Given the cipher and function below, decode the
1. 2 answers
2. 527 views
write a function rule for the area of a rectangle or picture frame that has a width of 22 inless than its length use the
1. 2 answers
2. 2,584 views
How to find the vertex ?f(x)= x^2-3
1. 3 answers
2. 463 views
What is the horizontal asymptote?y=x^2+11x+16/x+8
1. 5 answers
2. 373 views
The volume of seed in a bird feeder is represented by the equation V = 12(24-h)Q: Make a table of ordered pairs (h,V)
1. 2 answers
2. 2,501 views
A meteorologist predicted that the downtown area would get 16 inches of snow in a snowstorm. The downtown area ended up getting
1. 5 answers
2. 603 views
A class has 30 boys and 25 girls. what is the percentage of boys in the class?
1. 1 answer
2. 431 views
Suppose y varies directly with x, and y=25 when x=-140. What is the value of y when x=36A)140 B)165 C)201.6***** D)176
1. 8 answers
2. 4,892 views
Solve(√6+i)(√6-1)
1. 1 answer
2. 326 views
An ideal gas has the following initial conditions: Vi = 490 cm3, Pi = 5 atm, and Ti = 100°C. What is its final temperature if
1. 0 answers
2. 686 views
Please help. I'm confused here's an example: 38+45=?Show how to make one added the next tens number?
1. 1 answer
2. 199 views
tan A=-4/5;A in Quadrant 2 and cos B=-5/13: B in Quadrant 3.What is the exact value of the expression cos(A+B)?
1. 2 answers
2. 602 views
Given that the carbon atom has a mass of 12 amu, how many carbon atoms are there in a diamond with a mass of 8 g?....atoms
1. 0 answers
2. 786 views
Find the value of K so that x^2-5x+k=0 has one root equal to 4.
1. 3 answers
2. 493 views
A glass containing 250 mL of 80% iodine solution tips over spelling part of its contents. This subsequently replaced by anamount
1. 1 answer
2. 465 views
How many kg of pure salt must be added to 8 kg of a 30% solution to obtain a 35% soltution?
1. 1 answer
2. 395 views
If a projectile is shot vertically upward from the ground with an initial velocity of 100 ft per sec, neglecting air resistance,
1. 2 answers
2. 2,365 views
|2x+1| greater than or equal to |x-3|
1. 1 answer
2. 300 views
Alice walks on a straight line at four miles per hour. Two hours after she begins walking, Bob runs after her at a rate of six
1. 3 answers
2. 594 views
Alice walks on a straight line at four miles per hour. Two hours after she begins walking, Bob runs after her at a rate of six
1. 1 answer
2. 573 views
Alice walks on a straight line at four miles per hour. Two hours after she begins walking, Bob runs after her at a rate of six
1. 1 answer
2. 584 views
We use the same polynomials as in the first question. Suppose that 3x^3 + 2x + 1 = (ax^2 + bx + c)(x+2) + d. Then b is equal to:
1. 1 answer
2. 426 views
A force, F, on a body of mass m causes the body to accelerate. Denote the acceleration of the body by a. The relationship
1. 1 answer
2. 679 views
The force, F, between two bodies of mass m1 kilograms and m2 kilograms whosecenters of mass are a distance of r meters apart is
1. 1 answer
2. 572 views
The radius of the earth is approximately 4,000 miles. The acceleration due to gravity is approximately 32 feet per square
1. 2 answers
2. 1,127 views
In a particular year, a total of 63,172 students studied in two of the most popular host countries when traveling abroad. If
1. 1 answer
2. 648 views
Problem 1. Suppose x > 0. Simplify the expression [(x+h)^1/2− (x) ^1/2]/h . For what values of h is this expression defined?
1. 1 answer
2. 467 views
Alice paints at a rate of 10 square feet per minute and Bob paints at a rate of 8 square feet per minute. If they work together,
1. 1 answer
2. 582 views
If there are 5 boys and 7girls, in how many ways can 5 boys and 5girls sit in a round table?Is the ans : 5!*4!*7c5? Reason:
1. 1 answer
2. 601 views
Sum of first six term of an ap is 46 ratio of its 10th term to that of 30th term is 1:3. Find its 13th term
1. 2 answers
2. 724 views
Q) the difference between two numbers is 5.A) if the larger number is k, what is the other number? B) write a simplified
1. 1 answer
2. 487 views
Make a table and graph each quadratic function. Use integers from -3 to 3 for inputs.#4- y= -x2 #5- y=2x squared #6- y= -8x
1. 1 answer
2. 1,472 views
In a piggy bank Jane has 8 more quarters than dimes and she has 5 less nickels than dimes. Write an algebraic expression
1. 1 answer
2. 523 views
In a piggy bank Jane has 8 more quarters than dimes and she has 5 less nickels than dimes. Write an algebraic expression
1. 1 answer
2. 528 views
A circular sinkhole has a circumference of 75.36 meters. A week later, it has a circumference of 150.42 meters.a. Estimate the
1. 2 answers
2. 1,377 views
Write in terms of cos and sin function.cotx*secx I know cotx = cosx/sinx and sec x= 1/cos x. but how do i solve it?
1. 1 answer
2. 602 views
Ms. Vellake loves to read. She read 522 hours in 29 weeks. If she read an equal number of hours each week, how many hours did
1. 4 answers
2. 554 views
Using the table of values -2,-1,0,1,2, what would be the "Y" when given these set of equations?y= 3^ y= 2 ^ y = (1/2)^ the ^ is
1. 1 answer
2. 500 views
1) How do you create a fractal?2) How are midpoints,lengths,equations for circles used to generate the fractal (pattern in
1. 1 answer
2. 570 views
There are 8 boys on a bus. Each boy has 8 backpacks. In each backpack, there are 8 big dogs. For every big dog there are 8
1. 1 answer
2. 599 views
Find the inverses of each of the functions below algebraically.a.3y+5x=18 b.h(t)=−4.9(t+3)^2+45.8
1. 1 answer
2. 1,183 views
Find the inverses of each of the functions below algebraically.a.3y+5x=18 b.h(t)=−4.9(t+3)^2+45.8
1. 1 answer
2. 518 views
Let v(t)=t^2−3t be the velocity, in feet per second, of an object at time t , in seconds.(c) What is the meaning of the
1. 2 answers
2. 1,142 views
How do you do 4ln(2x+3)=11
1. 1 answer
2. 756 views
If the angles of triangle are in the ratio of4:1:1then find the ratio in the smallest side / perimeter of the tringle
1. 1 answer
2. 496 views
You have a balance of $12,000 for your tuition on your credit card and you make no further charges. If your APR is 16.7% and
1. 0 answers
2. 650 views
Assume that you have a balance of $5000 on your Visa credit card and that you make no more charges. If your APR is 22% and each
1. 0 answers
2. 1,109 views
You have a balance of $7500 on your credit card and you make no further charges. Ifyour APR is 12.5% and each month you make
1. 1 answer
2. 924 views
10. Suppose the stock of Microsoft increases in value by $5 per share. If all other Dowstock prices remain unchanged, how does
1. 1 answer
2. 1,087 views
The rate of inflation in Ethiopia was 41% in 2008. What was the percentage decrease that year in the buying power of the birr
1. 1 answer
2. 1,527 views
Two cards. Refers to choosing two cards.If you do not put the first card back in the deck before you draw the next, what is the
1. 1 answer
2. 606 views
SignalsThe king has 10 (different) colored flags that he uses to send coded messages to his general in the field. For example,
1. 6 answers
2. 2,162 views
On Halloween, a man presents a child with a bowl containing six different pieces of candy and six different pieces of gum. He
1. 1 answer
2. 5,792 views
Assume a box contains three red jelly beans and two green ones. We consider the event that a red bean is drawn. Suppose I pick a
1. 2 answers
2. 3,125 views
How many positive factors does62x(63^3+63^2+63+1)+1 have? (With explanatio pls... Tnx)
1. 2 answers
2. 452 views
What is the least number of square pieces into which a cardboard, 13 ft long 8 ft wide, can be cut?
1. 1 answer
2. 546 views
solve 7 1/2 - 3 5/6
1. 1 answer
2. 345 views
how many fractions between 1/4 and 1/2
1. 2 answers
2. 375 views
Is there any good websites for online quizzes or tests on inductive reasoning?
1. 1 answer
2. 397 views
the average attendance of a class from monday to wednesday was 39 and that from wednesday to saturday was 39.5. What was the
1. 1 answer
2. 1,587 views
Three circles with radii 35cm, 50cm, and 65cm respectively are tangent to each other externally. Find the angles of the triangle
1. 2 answers
2. 1,694 views
The answer to a question is 564.90. The question said to round to the nearest ten meters. What does nearest ten meters mean.
1. 1 answer
2. 519 views
A rectangular lawn measuring 8m by 4m is surrounded by a flower bed of uniform width. The combined area of the lawn and the
1. 1 answer
2. 994 views
How to get from general form to intercept form in quadratic equations. I'm not sure if it's possible. Or how do you get from
1. 0 answers
2. 489 views
After 15% off, the book price becomes $26, what was the original price of the book? Round to the nearest cent. I had $29.9 but
1. 7 answers
2. 533 views
45% of 75% of a number is 70, what is the number? Express your answer as a common fraction.
1. 6 answers
2. 411 views
I need some help solving this system of equations:5x - y = 18 –4x – 2y = –6
1. 1 answer
2. 495 views
4(x-3)=5(x+1)
1. 1 answer
2. 348 views
Plastic tub has capacity of 13.5 quarts. It can hold 3 times as much liquid as a pail. Pail can hold twice as much liquid as
1. 2 answers
2. 736 views
A shop owner bought 30 folders and some journal. He paid @82.50 for the folders. Each journal cost 10 times as much as a folder.
1. 1 answer
2. 1,055 views
Simplify 4sqrt6/sqrt30by rationalizing the denominator
1. 1 answer
2. 697 views
only 2/9 the university students wanted to become math teachers. if 2800 didn't want to become math teachers how many university
1. 5 answers
2. 1,251 views
Eric has a two rocks samples. One has a mass of 600 grams and the other has a mass of 1 kilogram. He recorded the total mass as
1. 2 answers
2. 855 views
On a windless day, a bird can fly at a constant 10 m/s. It flies 6.0km east and then home again.How much time does the round
1. 2 answers
2. 822 views
The area of a cylinder is 956m3. If the circular top is halved, what is the new volume?
1. 3 answers
2. 476 views
A ⊆ B. Prove P(A|B)>= P(A)
1. 1 answer
2. 309 views
graph this equation:6x^2+18x-24=0
1. 1 answer
2. 327 views
Identify the molecules that participate in the light dependant reactions and tell what they do.
1. 0 answers
2. 345 views
Find absolute maximum and minimum for f(x)=(3x^3)−(18x^2)+27x−10 over the closed interval [2,4].Thank you so much!!
1. 1 answer
2. 656 views
Julie is digging a square area in her backyard for a vegetable garden. If the area is 52 square feet, what is the approximate
1. 9 answers
2. 4,647 views
A bank loan of $500 is arranged to be repaid in two years by equal monthly instalments. Interest, calculated monthly, is charged
1. 1 answer
2. 737 views
A mortagge is taken out for $10,000 and is repaid by annual installments of $2,000. Interest is charged on the outstanding debt
1. 1 answer
2. 436 views
In an AP the 6th term is half the 4th term and the 3rd term is 15.a. Find the fist term and the common difference. b. How many
1. 4 answers
2. 2,513 views
on a farm there are rabbits and chickens. Altogether, there are 20 heads and 50 feet. How many rabbits and chickens are there?
1. 1 answer
2. 535 views
A group of hikers on a mountain began at an elevation of 3040 feet above sea level and stopped at elevation of 2319 feet above
1. 4 answers
2. 1,254 views
solve the equation & check your solution
1. 1 answer
2. 393 views
8/2 [2/ 9]how to simplfy above question.
1. 1 answer
2. 386 views
For all positive integers w and y, where w > y, let the operation ☺ be defined by w ☺ y = (2^(w + y))/(2^(w - y)).For how
1. 0 answers
2. 813 views
Triangle ΔABC has vertices A(2,5), B(8,1) and C(-2,-1) and is a right triangle. If the slope of AB is -2/3 and the slope of AC
1. 1 answer
2. 1,111 views
bernhardt and julia are observing an eagles nest in a tree. Julia is 75m from the tree, and sees it at an angle of elevation of
1. 0 answers
2. 559 views
chung ho is standing on the top of a building that is 135m tall. The angle of depression to the top of the building next door is
1. 3 answers
2. 1,909 views
I need help finding the key points for the graph y=1/3 cos x and y=-sin 2piex/3I just don't understand how to graph this and
1. 1 answer
2. 477 views
For a 3-person relay race, a coach can choose from 4 of his top runners.how many different 3- person teams can he choose ? Use
1. 3 answers
2. 1,110 views
what is the domain and range of g(m)=m^2 - 5m
1. 1 answer
2. 382 views

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