Maths practice for 14 year olds - page 112 of 370
Number of problems found: 7400
- Diagonals of rhombus
Find the length of the diagonal AC of the rhombus ABCD if its perimeter P = 112 dm and the second diagonal BD has a length of 36 dm. - One of
One of the internal angles of the rhombus is 120°, and the shorter diagonal is 3.4 meters long. Find the perimeter of the rhombus. - The ratio 4
The ratio of two numbers is 5:4. If 40% of the first number is 12, what will be 50% of the second number? - Length 9
The length of a rectangle is 8 meters smaller than twice of breadth. If the perimeter of the rectangle is 50, find its length and breadth. - Dimensions of rectangle Find the dimensions of a rectangle, given that its perimeter is 110 cm. Its length is 1 cm, more than twice its width.
- Percent to interval
76% is between which the following two numbers. 1) 1/5 & 1/4. 2) 1/3 & 1/2 3) 2/3 & 7/10 4) 3/4 & 5/6 - Markup
A store pays $370 for a bicycle. The percentage of markup is 19%. What is the selling price of the bike? - Profit margin
If total sales for the month are $450,000 and the profit margin is 40%, how much was the cost of goods sold? - Using
Using the point-slope equation, find the equation containing (-7, 3) and slope m = -4 - Two fifth
Two-fifths of the workers in a factory are men. The rest are women if there are 28 men. How many more women than men are there? - Dice 7
A standard number cube is tossed 210 times. What is a reasonable prediction for the number of times the number cube will land on a 5? - Nelly 2
Nelly buys a board game. She pays for the board game and pays 1.54 dollars in sales tax. The sales tax rate is 5.5 percent. What is the original price of the board game before tax? - Three unknown numbers
The sum of the three numbers is 106. the first number is ten more than the third. The second number is 2x the third. What are the numbers? - Language test
Your language test scores are 58, 68, 89, and 95. What is the lowest you can earn on the next test while still achieving an average of at least 79? - The ratio 3
The ratio of male pupils to female pupils in the Gymnasium is 7:9. If there are 512 pupils, how many pupils are male? - The import
The import duty is 12 percent. If the value of the goods is ; 84.00, how much is the import duty? - Mrs. Zarka
Mrs. Zarka has three pies for a party. She calculates that if she splits the pies evenly among the guests, they will each receive 1/6 of a pie. How many guests are there? - And-or probabilities
P(A ) = 0.53, P(B) = 0.15, and P(A n B ) = 0.18. Find P(A U B ). Round approximations to two decimal places. - 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
Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
