Math practice for 13 year olds - page 98 of 421
Number of problems found: 8410
- A sum 3
A sum of money is shared among Jamby, Fritz, and Alvin in the ratio of 5:2:3. If Jamby received Php 35, find the amount of money received by Alvin and the total sum of money shared. - Raj walk
Raj walks 9/7 km from place A towards the east and then 2 1/4 km from there towards the west. Where will he be now from A? - Gardener 75344
A gardener lays tiles around a square flower bed. It needs 12 tiles around the 2x2 bed. How many tiles will he need around the size of the bed? a) 9x9 b) nxn? How big was the bed for which the gardener consumed c) 112 d) 4n tiles? - Rectangular 75334
In the rectangular coordinate system, find the images of points A[-3; 2] and B[4; -5] in central symmetry according to point O[0; 0]. A. A'[3; 2], B'l-4; -5] C. A'[-3; -2], B'[4; 5] B. A'[-3; -2], B'[-4; 5] D. A'[3; -2], B'[-4; 5] - The product 8
The product of five and the difference of triple the number and three is 25. Find the number. - Germinate 75304
Out of 150 seeds, 12 did not germinate. How many seeds will not germinate if we sow 450 of them? - Six segmants
Given are 6 line segments with lengths of 3 cm, 4 cm, 5 cm, 7 cm, 8 cm, and 9 cm. How many equilateral triangles can make from them? List all the options. - A bus 3
A bus has a petrol tank in the shape of a cylinder. The cylinder is 125 cm long and has a diameter of 42 cm. (i) How much will a full tank of petrol cost at the rate of 5.23 per liter? (ii) If the bus uses petrol at 12.5 liters for every 50 km, how far ca - The interior
The interior angle of a regular polygon is x. If x is 9° less than the average of 153° and 145°, find the number of sides of the polygon. - The radius
A right circular cone's radius and slant heights are 9 cm and 15 cm, respectively. Find, correct to one decimal place, the (i) Height (ii) Volume of the cone - A Shopkeeper 4
A Shopkeeper gave a bill to a customer. The bill was in two digits but was mistakenly interchanged, thereby undercharging the customer by $45.00. If the sum of the digits is 9, find the actual value of the bill. - Share money Three Friends shared an amount in the ratio of 2/3 : 3/5: 1/4. Suppose the largest share was Le 12,000.00. How much was shared between them?
- Electric charge
The electric current in a microprocessor circuit is 0.230 μA. How many coulombs pass a given point in the circuit in 1.50 ms? - In triangle 2
In triangle XYZ, if it measures angle X=40° and measures angle Y=75°. Which is the longest side of the triangle, and why? - Express value
Given that p = √(mx/t-t² x) Make x the subject If m = 7, p = -3 and t = 4, find the value of x - The profit 2
Jo buys 120 bunches of daffodils for a total of £80 and 80 bunches of tulips for a total of £50. Jo then sells the flowers in a market. In the morning, Jo sells 75 bunches of daffodils for 80p a bunch and 50 bunches of tulips for 90p a bunch. In the after - The average 6
The average temperature dropped 16°C over a period of 5 weeks. What is the average change in temperature per week? - An isosceles 2
An isosceles triangular frame has a measure of 72 meters on its legs and 18 meters on its base. Find the perimeter of the frame. - Length in yds
Find the area of a rectangle with a length of 4 3/4 yards and a width of 1 1/16 yards. - Percentage 74844
The bar contains 12 grams of sugar per 50 grams. What percentage of sugar does the bar have?
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