Equations practice problems - page 50 of 236
Number of problems found: 4705
- Opposite 78434
We see the tree on the opposite bank of the river at an angle of 15° from a distance of 41m from the river bank. From the bank of the river, we can see at an angle of 31°. How tall is the tree? - 7 men
Seven men can complete work in 52 days. How many days will 13 men finish the same work? - Difference 78294
The distance between Aš and Břeclav is 477 km. At what speeds were the cars driving against each other when the slower one left Aš at 6:30 AM and the second left Břeclav at 8 AM? They meet at 10:30 AM, and the difference in their speeds is 41 km/h. How fa - Quadrilateral PQRS
PQRS is a quadrilateral with P(4,4), S(8,8), and R(12,8). If vector PQ=4*vector SR, find the coordinates of Q. Solve it
- Kilograms - drying
Fresh herbs contain 90% water, dried 10% water. How many kilograms of herbs can we dry from 15 kg of fresh ones? - Making profit
If I make a profit of 25% on selling a bottle of drink for 85, how much did I buy the drink? - AMJ There are three siblings: Anne, Maya, and Jane. Anne gave Maya and Jane as much money as each had. Then Maya gave Anne and Jane as much money as each had. Then Jane gave Anne and Maya as much money as each had. Then, each of the three siblings had 128 pes
- AP five members
Give the arithmetic sequence of 5 terms if the first term is 8 and the last term is 100. Show your solution. - Mrs. Conley
Mrs. Conley asks her class what kind of party they want to have to celebrate their excellent behavior. Out of all the students in the class, 5 want an ice cream party, 7 want a movie party, 10 want a costume party, and the rest are undecided. If 20% of th
- Arithmetic mean - parabola
Find the value of k so that k² + 2k – 3 is the arithmetic mean between k² + 4k + 5 and k² – 6k + 10. - Žaneta 78044
Juraj and Žaneta are 48 years old. Juraj is twice as old as Žaneta. How old is Juraj, and how old is Žaneta? - Geometry: 78014
Good day, Even though it is a trivial task, I don’t know how to deal with it. This is analytic geometry: Find all integers a, b, and c such that the line given by the equation ax+by=c passes through the points [4,3] and [−2,1]. Thank you for your answer - Hard equations
If a<b and c<d and a+b all/2 = c and c+d all/2 = b, and if d-a = 60, what is b-c? - Solve 16
Solve for the value of the variables x: y:30=3:21
- Cuboid's diagonal
The cuboid has a body diagonal u=25 cm, and side b is one-third longer than side a. What is the volume of the cuboid? - The midpoint 2
Find the value of x if M is the midpoint of PQ, PQ=10x−7, and PM=14. - Solve 15
Solve equation with fractions 29/12=24/12+?/12 - A solution
A solution of salt and water has 15% salt by weight. From it, 30 kg evaporated, and the solution now contains 20% salt. Find the original quantity of the solution. - Year salary
2/5 of a man's salary is 40,000. What is his salary?
A man removed 2/7 of a tank full of water. If it now contains 450 liters, how many liters does it hold when full?Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
