Expression of a variable from the formula - practice problems - page 6 of 131
Number of problems found: 2612
- Difference 81835
Determine the difference d in AP if a1=3 and a1+a2=12 - Truncated 12391
A sphere is inscribed into a truncated cone and touches both the base and the mantle. The base diameter of the cone is D. What is its diameter? - Perpendicular 5516
In a right triangle, one perpendicular is 1 m shorter than the hypotenuse. The other perpendicular is 2 m shorter than the hypotenuse. Find the lengths of all sides of the triangle. - Dimensions 5307
The perimeter of the triangle is 48 m. Calculate its dimensions if they are in the ratio 5:3:4 - Determine 4181
Determine the fourth GP member if q = 4 and a1 + a3 = 5.44 - -x-3/3 4027
x + 6/6 -x-3/3 = 3/4 - Difference 3923
Determine the ninth term and the difference AP if a3 = 4.8 and a2 + a3 = 8. - Determine 3821
Determine y: 32^y = 2 - Specify 3808
Specify a number that is 61% less than 10². - Determine 3763
Determine the first and third GP members if q = -8, and a2 + a5 = 8176 - Students 2462
There are five girls and five more boys in the class. How many students are in the class? - Two numbers 17
The sum of two numbers is 9, and the sum of their cubes is 189; find the sum of their squares. - Express 71
Express 2 minutes 30 seconds as a fraction of 3/4 hours. - The product 13
The product of two numbers is 48, and one of the numbers is 12. Find the other number. - The product 10
The product of two numbers is 40. If one of the numbers is 8/15, what is the other number? - Common difference 2
What is the common difference of the arithmetic sequence with 20 terms, whose first term is 5a+b and the last term is 43a+20 b? - The average 5
The average of the two numbers is 9.5. One of the numbers is 11. What is the value of the other number? - The product 3
The product of the two numbers is 15 ⁵/₆. If one of the numbers is 5 ²/₃, find the other. - Completing square
Solve the quadratic equation: m2=4m+20 using completing the square method - Area of a circle
The circumference of the circle is 150.72 centimeters. Calculate the area of the circle.
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