Ratio + expression of a variable from the formula - practice problems - page 2 of 13
Number of problems found: 253
- The aspect ratio
The aspect ratio of the rectangular triangle is 13:12:5. Calculate the internal angles of the triangle. - Sequence
Find the common ratio of the sequence -1, 3, -9, 27, -81. Please ratio writes as a decimal number rounded to a tenth. - Divide 19593
Divide 910 CZK in a ratio of 3: 4 - Circumference 3589
Calculate the circle's radius if the circumference and area are in a 2:5 ratio. - The proportion
The proportion's first, second, and third terms are 4, 20, and 13. Find the fourth term. - The sum 21
The sum of a geometric progression's 2nd and 3rd terms is six times the 4th term. Find the two possible values of the common ratio B. If the second term is eight, the common ratio is positive. Find the first six terms. - Volume of sphere
How many times does the volume of a sphere increase if its radius increases two times? - Twice of radius
How many times does the surface of a sphere decrease if we reduce its radius twice? - 1/2:x=5:3/4 81543
Calculate x in terms of: x:7=6:4 1/2:x=5:3/4 4:3=8:x - Calculate 6240
The ratio of the two natural numbers is 2: 3. The smaller number in this pair is 12. Calculate the larger A number from this pair. - A perimeter
The perimeter of a parallelogram is 2.8 meters. The length of one of its sides is equal to one-seventh of the entire perimeter. Find the lengths of the sides of the parallelogram. - Chord of triangle
If the whole chord of the triangle is 14.4 cm long, how do you calculate the shorter and longer parts? - Guppies
Audrey has some guppies in a fish tank. The ratio of the oranges guppies to silver guppies is 3:5. She has 12y oranges guppies. Write the number of silver guppies she has in terms of y - Inhabitants 29451
480 people live in the village of grandmother. There are seven times fewer blue-eyed people than people with different eye colors. How many inhabitants of the village are blue-eyed? - Circumference 15973
A: b = 3: 4 rectangle side length a = 6cm what is its circumference - Unknown number 24
If we add 20, we get 50% of its triple. What is this unknown number? - Determine 5192
Determine the numbers x and y so that half of the number x is 30% of the number and 60% of y is 90. - Crowns 3352
A box with six pieces of soap costs x crowns. How much will five pieces of soap cost? - The ratio 13
The ratio of boys to girls in Mr. Hakeem's class is 6:4. If there are 18 boys, how many girls are there? - Two numbers 13
Two numbers are in the ratio 5:8. When 2 is added to each, the ratio of the resulting numbers is 2:3. Find the numbers.
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