Grade - math word problems - page 168 of 877
Number of problems found: 17537
- Seven segments display
Electronic devices sometimes use the type of digits below, where each digit uses some short stripes. For example, seven uses three small stripes. What is the largest three-digit number that you can make if you use twenty stripes? - The sum 22
The sum of three consecutive whole numbers is 27. Find the numbers by showing all the steps. - Jabu had
Jabu had a few marbles. Today, he played and doubled his number. Then Thabo gave him three marbles for free. Jabu now has 21 marbles. How many did he have before he started playing? Solve this problem using a suitable model. - Busi has
Busi has a bag containing twenty balls. There are twice as many yellow balls as blue balls, but the yellow balls are only a third of the red balls. The green balls are the same number as the blue balls. How many are each color ball?
- Tomorrow
Tomorrow is athletics day at school. Mom makes double the number of sandwiches that she usually makes. Then she adds four sandwiches so that Jabu and Thabo can each get six sandwiches. How many does she usually make? - Cryptogram 73784
Solve the cryptogram (equation with letters, where the letter is one digit) Fot Bal ---- Cvik - Prisoners
It is estimated that 10% of all federal prisoners have a positive self-image, 40% have a neutral self-image, and the rest have a negative self-image. The estimated probability of rehabilitating a prisoner with a negative self-image is 0.1. With a neutral - Triangle 75
Triangle ABC has angle C bisected and intersected AB at D. Angle A measures 20 degrees, and angle B measures 40 degrees. The question is to determine AB-AC if length AD=1. - Difference 73754
The difference between two positive integers is 25. One number is 59. What is the other number?
- Decile
Find the 5.5th decile of the data: 62, 60, 37, 57, 55, 59, 57, 50, 49, 61 - Double of one-third
¹/₃ of the school garden has vegetables, and another ¹/₃ has flowers. What part of the garden is left to grow grass? - Distribution 73724
The distribution of the random variable X is given in the following table. Calculate P[X is odd], E[X] and P[1<X≤6] Probability distribution table: xi; 1; 2; 3 ; 4; 5; 6; 7; 8; 9 pi; 0.30; 0.12; 0.18; 0.10; 0.07; 0.07; 0.06; 0.05; 0.05 - Probability 73714
I roll six six-sided dice; what is the probability that exactly three threes will fall? - Calculate 73704
A vertical regular 3-sided pyramid is given. The side of the base a = 5cm, and the height is 8 cm. Calculate the volume and area.
- Isosceles right triangle
If the square of the hypotenuse of an isosceles right triangle is 128 cm2, find the length of each side. - Yesterday 6
Yesterday it was 24°C, and today it is 28°C. By how many degrees has the temperature increased? - Menu choice
In a Jollibee, you have a menu choice of C1, C2, and C3. For dessert, you have a choice of ice cream and mango peach. How many different options do you have? - Conditional 73664
I roll a 7-wall dice. What is the conditional probability that three fell if an odd number fell? - Probability 73654
We roll two dice. One is 6-walled, and the other is 8-walled. What is the probability that at least one unit will fall?
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