Algebra - math word problems - page 26 of 304
Number of problems found: 6074
- 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? - The average 12
The average of the first five numbers drawn was 2499. the first four numbers were 4165, 320, 7142, and 64. What was the fifth number? - Temperature - linear function
In the morning, at 08:00 hours, the temperature was -8°C, and in the afternoon, at 16:00 hours, the temperature was 24°C. Assuming that the temperature changes steadily, what was the temperature at 13:00 hours, and what was the time when the temperature w - The median 3
The median of the following observations arranged in ascending order is 64: 27, 31, 46, 52, x, x + 4, 71, 79, 85, 90 Find the value of x. - A gym
The A gym offers two packages for yearly memberships. The first plan costs $50 to be a member. Then, when you visit the gum, it is $5 to get in. The second plan costs $200, but it only costs $2 to get in each time you visit. How many visits would it take - Insert two > GP
If 4, 36, 324 are in the geometric progression (GP) insert two more numbers in this progression so that it again forms a GP. - The average 10
The average of three fractions is 2 3/8. If two of the fractions are 2 1/5 and 1 2/3, what is the total value of the three fractions? - False positive, false negative
Suppose the likelihood of someone being allergic to cats is 1/1000 of the general population. A test to determine if you're allergic to cats has a false positive rate of 5%; that is, 5% of the time, the test will indicate incorrectly that you are allergic - The average 14 The average of the present ages of Susan and Beata is 36 years .If Susan is 8 years older than Beata. What is the Beata's present age?
- Logical and
At a football game, 8/15 of the fans wore team T-shirts. Of those wearing team T-shirts, 1/4 also wore team hats. What fraction game wore both a team T-shirt and a team hat? - The linear
The linear equation 5y-3x-4=0 Can be written in the form y=mx+c. Find the values of m and c. - Mean proportional If x+7 is the mean proportional between (x+3) and (x+12), find the value of x .
- A,B,C,D
A, B, C, D are four consecutive odd integers and their average is 42. What is the product of B and D? - Milk mixture
In a container, milk and water are 7:5. If 15 L water is added, the ratio becomes 7:8. Find the quantity of water in the new mixture. - River current
In a river, a man takes 3 hours in rowing 3 km upstream or 15 km downstream. What is the speed of the current? - Consecutive odd numbers
Find three consecutive odd numbers whose sum is 93. - The average 13
The average of 6 consecutive odd numbers is 64. Find the greatest number. - Y-intercept 2 What is the y-intercept of 4x + 8y =16? Write coordinates of x0, y0 of that y-intercept.
- Slope of line What is the slope of the line that passes through the points: (-2, 4) and (-3, 1)?
- Consecutive odd nums
Sum of four consecutive odd numbers is 40. Find the numbers.
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