Equations practice problems - page 142 of 240
Number of problems found: 4786
- Two pumps
Pump A takes twice as long to fill a tank as B. Together, they take 2 hours to fill the tank. How long does each one take to fill the tank by itself? - Right triangle from axes
A line segment has its ends on the coordinate axes and forms a triangle of area equal to 36 square units. The segment passes through the point ( 5,2). What is the slope of the line segment? - Supermarket 2
A supermarket had a buko pie sale. In the morning, they sold 2/3 of the pies, and in the afternoon, they sold 1/6 of the pies. If 150 pies were left, how many pies had been sold? Show your solution. - Gasoline tank 2
A gasoline tank is 1/6 full. When the family added 25 liters of gasoline, it became 3/4 full. How many more liters are needed to fill them? Show your solution. - Reciprocal equation 2
Solve this equation: x + 5/x - 6 = 4/11 - The larger
The larger two numbers are nine, more than four times the smaller number. The sum of the two numbers is fifty-nine. Find the two numbers. - Solve 2
Solve integer equation: a +b+c =30 a, b, c = can be an odd natural number from this set (1,3,5,7,9,11,13,15) - Animals
All without two animals are dogs, all without two are parrots, all without two are cats, and the others are chickens. How many animals of individual species does Ms. Novak take care of? - Quarter 6748
The boy read the book in 4 days. He read a third of the book on the first day and a sixth of the book on the second. On the third day, a quarter of the book was. He was left with 30 pages on the last day. How many pages did the book have? - Digit sum
How many are three-digit numbers that have a digit sum of 6? - Equation 6738 Solve the given equation in the set N: 1 - x + x² - x³ + x4 - x5 +…. + = 1/3
- Two rectangles
I cut out two rectangles with 54 cm² and 90 cm². Their sides are expressed in whole centimeters. If I put these rectangles together, I get a rectangle with an area of 144 cm². What dimensions can this large rectangle have? Write all options. Explain your - Calculate 6729
Calculate the larger of the two numbers if the smaller number is the third of the larger number, and their sum is 48. - Prove
Prove that k1 and k2 are the equations of two circles. Find the equation of the line that passes through the centers of these circles. k1: x²+y²+2x+4y+1=0 k2: x²+y²-8x+6y+9=0 - CuSO4 mixture
How many grams of solid CuSO4 do we have to add to 450g of 15% CuSO4 solution to produce a 25% solution? - Algebra
If x+y=5, find xy (find the product of x and y if x+y = 5) - Intersections
Find the intersections of the function plot with coordinate axes: f (x): y = x + 3/5 - Utopia Island
The probability of disease A on the island of Utopia is 40%. The probability of occurrence among the men of this island, which make up 60% of all the population (the rest are women), is 50%. What is the probability of occurrence of A disease among women o - Great-grandfather 6705
Monika was born on the day his great-grandfather turned 90. If the product of their age is 1000, how old is Monika? - One-third 6704 What time is it now that the time that has elapsed since noon is one-third of the time before midnight?
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