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Math
Questions and answers by visitors named
Math
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Questions (427)
how many fractions between 1/4 and 1/2
2 answers
332 views
solve 7 1/2 - 3 5/6
1 answer
305 views
What is the least number of square pieces into which a cardboard, 13 ft long 8 ft wide, can be cut?
3 answers
469 views
How many positive factors does
62x(63^3+63^2+63+1)+1 have? (With explanatio pls... Tnx)
3 answers
388 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
4 answers
3,019 views
On Halloween, a man presents a child with a bowl containing six different pieces of candy and six different pieces of gum. He
4 answers
5,698 views
Signals
The king has 10 (different) colored flags that he uses to send coded messages to his general in the field. For example,
7 answers
2,045 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
2 answers
513 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
4 answers
1,456 views
10. Suppose the stock of Microsoft increases in value by $5 per share. If all other Dow
stock prices remain unchanged, how does
2 answers
993 views
You have a balance of $7500 on your credit card and you make no further charges. If
your APR is 12.5% and each month you make
2 answers
835 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 answer
1,002 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 answer
549 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 answer
419 views
How do you do 4ln(2x+3)=11
2 answers
692 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
3 answers
1,072 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 answer
445 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
2 answers
1,107 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
2 answers
521 views
1) How do you create a fractal?
2) How are midpoints,lengths,equations for circles used to generate the fractal (pattern in
2 answers
474 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 answer
434 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
5 answers
468 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?
2 answers
501 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
3 answers
1,281 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 answer
442 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 answer
436 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
3 answers
1,346 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 answer
419 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
3 answers
651 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:
2 answers
516 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,
2 answers
509 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 answer
406 views
In a particular year, a total of 63,172 students studied in two of the most popular host countries when traveling abroad. If
2 answers
548 views
The radius of the earth is approximately 4,000 miles. The acceleration due to gravity is approximately 32 feet per square
3 answers
1,027 views
The force, F, between two bodies of mass m1 kilograms and m2 kilograms whose
centers of mass are a distance of r meters apart is
1 answer
488 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
2 answers
588 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 answer
362 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
2 answers
507 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 answer
491 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
4 answers
517 views
|2x+1| greater than or equal to |x-3|
1 answer
274 views
If a projectile is shot vertically upward from the ground with an initial velocity of 100 ft per sec, neglecting air resistance,
4 answers
2,274 views
How many kg of pure salt must be added to 8 kg of a 30% solution to obtain a 35% soltution?
1 answer
341 views
A glass containing 250 mL of 80% iodine solution tips over spelling part of its contents. This subsequently replaced by an
amount
1 answer
387 views
Find the value of K so that x^2-5x+k=0 has one root equal to 4.
4 answers
402 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 answer
724 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)?
3 answers
521 views
Please help. I'm confused here's an example: 38+45=?
Show how to make one added the next tens number?
1 answer
162 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
2 answers
601 views
Solve
(√6+i)(√6-1)
1 answer
269 views
Suppose y varies directly with x, and y=25 when x=-140. What is the value of y when x=36
A)140 B)165 C)201.6***** D)176
8 answers
asked by
Math
4,758 views
A class has 30 boys and 25 girls. what is the percentage of boys in the class?
1 answer
364 views
A meteorologist predicted that the downtown area would get 16 inches of snow in a snowstorm. The downtown area ended up getting
6 answers
500 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)
4 answers
2,392 views
What is the horizontal asymptote?
y=x^2+11x+16/x+8
6 answers
328 views
How to find the vertex ?
f(x)= x^2-3
4 answers
397 views
write a function rule for the area of a rectangle or picture frame that has a width of 22 in
less than its length use the
5 answers
2,481 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
3 answers
443 views
Is x+3=2y and x=2y-3 have infinitely solutions or one solution or no solution
1 answer
398 views
Two business partners, Ellen and Bob, invested money in their business at a ratio of 6 to 7. Bob invested the greater amount.
4 answers
1,433 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
2 answers
602 views
Did John Cena ever do math? It doesn't look like he did..
3 answers
403 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
26 answers
10,477 views
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
3 answers
895 views
I am a 5 digit number. All my digits are the same and the sum of digits is 40 .
4 answers
1,129 views
5/8 + 7/12
1 answer
209 views
Bruce bought four packages of cornbread mix that each weighs x pounds. He also bought a package of biscuit mix that weighs
4 answers
2,646 views
A forest owned by the Jumbo Lumber Corporation contains 7,820 trees. If Jumbo Lumber cuts down 77 trees every day, which
2 answers
1,041 views
A school wants to build a fence to enclose a rectangular 4-sided playground of 144m^2. What is the min cost for a fence if it
2 answers
568 views
Kevin moved from a city to a small town. The population of the city was 6 x 10^5, which is about 15 times a great as the small
3 answers
1,740 views
What are the differences between aa lava and pahoehoe lava? What are the similarities between these two types of lava?
3 answers
577 views
On Friday Naomi walked 3/4 of a mile.
On Saturday she walked 1 2/3 of a mile On Sunday she walked 2 3/5 of a mile. How many miles
2 answers
681 views
Can anyone walk me through the solution of this problem?
1/2(1600/E)^1/2*50=? Thank You
1 answer
313 views
Amanda cuts of 45-cm ribbon into two pieces in the ratio of 4:5 find the length of the shorter piece.
3 answers
608 views
A user is charged php300 monthly for a particular mobile plan, which includes 100 free text messages. Messages in excess of 100
5 answers
4,066 views
Find the equation of the line in slope-intercept form.
b=4 and m=−5
3 answers
820 views
Q P
1 answer
221 views
In a triangle, segments AB and AC are trisected, and D is the midpoint of BC. If the area of Triangle ABC is 630 cm^2, then the
4 answers
1,645 views
If the average of a, b, and 7 is 13; what is the average of a + 3, b - 5, and 6?
3 answers
318 views
A flower garden has 3 times as many red roses than pink roses. Twice the number of red roses is the same as four times the
3 answers
830 views
A population distribution has σ = 42. How many points from the mean are a z -score of z = +2.00 and a z-score of -1.56?
1 answer
358 views
The point c(3, -1) is translated left 4 units up and 1unit.
. write the rule for this translation . what are the coordinates of
3 answers
816 views
A park is 300 yds by 500 yds. There is a 4 wide foot walking path going around the entire perimeter of the park. The rest of the
6 answers
1,832 views
If the question were to ask me given me a quadratic equation, and I need to figure out what the horizontal distance of it is, do
1 answer
383 views
It costs $5 for 1 snow cone. Which function rule correctly relates the number of snow cones purchased, s to the total cost c.
A.
7 answers
2,142 views
Zidane and Shemique are looking up at their school from the playing field at the back of the school. From Zidanes point of view,
9 answers
1,440 views
The length of a car park is 12m longer than its with. The area of the car park is 64m². Find the dimensions of the car park?
3 answers
667 views
a) <1 hour per day means? more than 1 hour
b) 1 - 2 hours per day means? 1-2 hours c) >2 hours per day means? less than 2 hours
2 answers
530 views
complex number L = 2 + bj
Arg (L) = 5π/6 find all values of b? got 1/sqrt(3) but need it to be positive.
1 answer
323 views
Ram bought some bags of cement each 49.7kg. lf the total weight of all the bags is 1143.1kg. how many bag did he buy?
1 answer
414 views
These two scalene triangles are similar with a scale of 5:2. What is true about these figures?
A. a/e = 1 B AB/DE = 2/5 C AC/DF =
4 answers
3,932 views
Let a=(5,2) and b=(-3,1), find a (dot) b
4 answers
385 views
example
sorry for caps You are designing a rectangular playground. ON YOUR SCALE DRAWING, THE VERTICES OF THE RECTANGLE ARE
3 answers
445 views
Solve the equation
1. 2x-3=15 6 9 24 36(My choice may be wrong) I need HELP!!!
4 answers
361 views
1. -2v - 7 = 23
A:15 B:8 C:-8 D:-15 2.w/4 - 4 = 3 A:-4 B:28 C:3 D:11 3.d/3 + 10 = 7 A:51 B:20 C:0 D:-9 4.3(4 - 2x) = -2x A:-1 B:1
2 answers
149 views
A car can drive 35.5 km using 3.5 ℓ of gasoline. How many kilometers can the car drive using 1 ℓ of gasoline?
4 answers
883 views
Katie works at a coffee shop and as a babysitter. She worked twice as many hours babysitting than she did at the coffee shop
1 answer
362 views
One of angle of triangle is 110° and other two angle are equal what is the measure of each of these equal angles
3 answers
315 views
1. Comet, Astro, and Pepper are puppies. The ratio of Comet’s weight to Astro’s weight is 5:4. The ratio of Astro’s weight
1 answer
229 views
Ben, Claire, and Jay sold raffle tickets. Ben sold 3 times as many raffle tickets as Claire. Jay sold 5 times as many raffle
1 answer
240 views
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