Equations practice problems - page 68 of 239
Number of problems found: 4765
- The Fraction
The denominator of a Fraction is greater than the numerator by 4. if 11 is added to the numerator and one subtracted from the denominator, the value of the fraction obtained is 7/3. What is the original fraction? - Brother age
One brother talks about his younger brother: "2 years ago, I was three times my brother's age. In 3 years, I will be twice as old as my brother." How old is each brother now? - Graph move
When y=2x² has moved 2 units to the left and 3 units upward, what is the graph equation? - Peter's 60371
How old is Peter's brother now if he has four times as many in 15 years as he did 15 years ago? - Corresponding 60311
The drink was mixed from one hundred percent juice and water in a ratio of 1.5 liters of juice to 2.5 liters of water. Calculate how many liters of this drink will be created by mixing 1 liter of water and juice in the corresponding ratio. Calculate how m - One-third 60291
In the classroom, 50% of students come from other districts. One-third of them commute by bus, a fifth by bike, and seven pupils walk. How many students are in the class? - GP sequence
Find the remaining unknown characteristics in the finite geometric sequence, if given: a1 = 5, an = 320, sn = 635, n =? q =? - Quantities 60183 Determine the remaining quantities in the finite geometric sequence, given: n = 4, an = 12.5, sn = 187.5, a1 = ?, q =?
- Finite geometric sequence Find the remaining unknown characteristics in the finite geometric sequence, if given: a1 = 18, an = 13122, sn = 19674, n =? q =?
- Members
A geometric sequence with six members has the sum of all six members equal to 63; the sum of the even members (that has an even index) has a value of 42. Find these members. - Five people
Five people can finish painting a wall in 4 hours if only two people are available. How many hours do they have to work to finish the same job? - Peter's rectangle
Peter had a rectangle 2 cm wide and of unknown length. The line had a 2 cm rectangle whose length was equal to the perimeter of Peter's rectangle. When they put the rectangles together with their widths, they got a new rectangle with a circumference of 63 - Jointly and cube power
If y varies jointly as x and the cube of z and y=16 when x=4 and z=2, find an equation representing this relationship. a. y=xz b. y = 2xz³ c.y = 2kx/z³ d.y = xz³/2 - Three men
If three men can do a job in 8 days, how many men can do the same job in 6 days? - Three dices
What is the probability that the sum of points 14 will be a roll of three dice (B, M, Z)? - Three cottages
141 guests are accommodated in 3 cottages. In the second cottage, there are eight more guests than in the first cottage, and in the third cottage, there are 14 more guests than in the second cottage. Find out how many guests are staying in the first cotta - Line - normal form
What is the equation of the line whose x-intercept is - 3 and y-intercept is -4? Find coefficients A, B, C in normal equation of line: Ax + By = C - 3 9/10
3 9/10 is the same as the sum of 3 1/3 and half of a number. - Himself 59743 Peter and Milan painted the garage door in five hours. Peter would paint the door himself in 10 hours. In how many hours would Milan paint the door himself?
- The ratio 7
The ratio of the sides of two squares is 4:5. If the sum of their areas is 180 cm². Find the sides of the two squares.
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