Math practice for 13 year olds - page 142 of 419
Number of problems found: 8374
- The coordinates
The coordinates (5, 2) and (-6, 2) are vertices of a hexagon. Explain how to find the length of the segment formed by these endpoints. How long is the segment? - Proportion 52063
In what proportion did we divide the fabric when we cut it into 150cm and 75cm a) 15:7 b) 4:2 c) 2:1 d) 3:2 - What is 10
What is The area of a parallelogram that has vertices with the coordinates (0, 0), (4, 0),(5, 3), and (1, 3)? - Ember
Ember spent $144 on her birthday party for 18 guests. If the cost is at the same rate, how many guests will there be if she pays $176? - Jigsaw puzzle
Krista has used 4/5 of the pieces in his jigsaw puzzle. He has used 120 pieces. How many pieces are in the whole puzzle? - Boys and girls 8
In a class of 35 boys and girls with a ratio of 2:5. 5 boys are absent, and five boys are present. How many students are present? - A basket
A basket is full of 50 different kinds of fruits with a ratio of 2:3:5. If the fruits are apple, mango, and guava, how many guavas are there? - Boys and girls
If the ratio of male and female teachers is 2/5 and the proportion of male and female students is the same, how many are girls if there are 42 boys? - Golf ball
When a golf ball is hit with two iron, it rotates at a rate of 8 1/3 times/second. How many times does this ball rotate if it is airborne for 7 1/3 seconds? - Polygon - area coordinates
Find the perimeter and the area of the polygon with the given vertices. T (2,7), U (2,9), V (5,9), W (5,7) - Beef taxation
In December, beef cost € 5.71 per 1 kg. How much should the price of 2.5 kg of beef change if VAT changed from 20% to 10%? How much will 2.5kg cost in January? - Sides of a rectangle
The dimensions of a rectangle are in a 4:12 ratio. If the shorter side length is 12 cm, what is the length of the longer side in centimeters? - My brother
My brother is missing 240 assignments. He wants to finish them all. If he does two each day, how many days will it take for him to finish 1/3 of his assignments? - Half of 2
Half of Ethan's string is equal to 2/3 of Kayla's string. The total length of their strings is 10 feet. How much longer is Ethan's string than Kayla's? - The printer
A total of 6 pieces of book covers were printed in 0.12 hours. Each piece of the book cover was published in equal time. Calculate the time, in hours, to print 30 book covers. - Bay Area
Bay Area Rental Cars charges $14 a day and $0.12 per mile for renting a car. You rented a car for four days and drove 475 miles. Find the total cost of renting the car. - A man 3
A man buys a box of fruits containing 286 fruits. Out of these, 1/2 are apples, and the rest are pears. 4/13 of the pears are rotten. He sells the good pears at rupees 4 1/11 each. How much money does he receive on selling the good pears? - If-then equation
If 1/2 + 2/5s = s - 3/4 What is the value of s? - Percentages 8
What percent (%) is the amount of 12 from a base of 69? Round the final result into two decimals. - The sum 10
The sum of the three decimals is 938.629. Two of them are 456.54 and 392.69. Find the third one.
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