Algebra - math word problems - page 233 of 275
Algebra is a branch of mathematics that uses not only numbers and characters but also letters to solve operations. For example 3x+5x is 8x.Number of problems found: 5489
- Bedrich and Adam
When Bedrich is as old as Adam today, Adam will be 14 years old. When Adam was as old as Bedrich, Bedrich was two years old today. How old are Adam and Bedrich today? - Stacks
Annie has a total of $ 702. The money must be divided into stacks so that each buyer has the same amount of dollars. How many options she has? - Linear independence
Determine if vectors u=(-4; -10) and v=(-2; -7) are linear dependents. - Average and mean
Suppose that the average of the four values, {-1, x, -2x, 3}, is equal to x - 1. Find the value of x. - Two resistors
Two resistors when they give 25 ohms in series and 4 ohms in parallel, what the values of - Workers 9
If two workers fix two windows in an hour, how many windows can 18 workers fix in the same two windows? - Sequences AP + GP
The three numbers that make up the arithmetic sequence have the sum of 30. If we subtract from the first 5, the second 4, and keep the third, we get the geometric series. Find AP and GP members. - Expression 4451
Find the largest natural number d that has that property for any natural number the number n is the value of the expression V (n) = n ^ 4 + 11n²−12 is divisible by d. - The noon-time
The noon-time temperature was 29°F. It was 4°F lower than predicted. Write and solve an equation to determine the predicted noon-time temperature. - Library and gym
In a town, 7/8 of the population has a library card, and 3/4 has a gym membership. What fraction of the population has either a library card or a gym membership? - Wedding guests
Fifteen wedding guests could not agree on who would stand in the wedding photo. The groom suggested that all possible sets of wedding guests be made in the photographs. - The cyclist
The cyclist went from village to town. The first half of the journey went at 20 km/h. The second half of the journey, which mostly fell, went at 39 km/h. All journeys took 88 minutes. Calculate the distance from the village to the town. - Linear function
What is the equation of linear function passing through points: a) A (0,3), B (3,0) b) A (-2,-6), B (3,4) - Six numbers
The average of 6 numbers is 3.95. the average of two of them is 3.4, while the average of the other two is 3.85. What is the average of the remaining two numbers? - Characteristics: 80608
Arithmetic mean xA=40 and standard deviation sx=8 were calculated. Determine from which numbers the student calculated the given characteristics: a) 24 and 56 b) 16 and 64 c) 32 and 48 - Tram stop
At the tram stop, trams No. 4 and No. 5 met at 10 AM. Tram no. 4 runs every 5 minutes, tram No. 5 at an interval of 7 minutes. How many times will we meet until 12 o'clock? - Tourist 14291
If a tourist reduced his speed by 1 km / h, he would walk less than 12 km in 3 hours. If he added to the step by 1km / h, he would walk more than 25 km in 5 hours. How fast is the tourist? - The mean
The mean of four numbers is 5, and the mean of three different numbers is 12. What is the mean of the seven numbers together? - Three men
If three men can do a job in 8 days, how many men can do the same job in 6 days? - Open intervals
Open intervals A = (x-2; 2x-1) and B = (3x-4; 4) are given. Find the largest real number for which A ⊂ B applies.
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