Expression of a variable from the formula - practice problems - page 7 of 131
Number of problems found: 2612
- A rectangle
A rectangle has an area of 36 cm². What could the length and width of the rectangle be? - Finding the base
Find the unknown base of percent: 12.5 percent of what = 16? - Tree trunk
Calculate the average tree trunk with a circumference of 192 cm. - Rectangle 80659
One side of the rectangle is 14 cm long. The perimeter of the rectangle is 32 cm. Calculate the length of the other side of the rectangle. - Quotient 80640
The quotient of two numbers is 22. The divisor is 154. What is the divisor? - Circumference 69934
You know the ratio of the circumference of the circle to the area is 4:9. What is the circle's diameter? - Difference 61133
Determine the difference of the arithmetic sequence (an), if given: a1 = 5, an = 23, Sn = 392 - Arithmetic 44181
Determine the arithmetic sequence. a3 + a4 = 10 a2 + a5 = 11 - Determine 37931
40% of the base is 1200. Determine what the base is. - Average 20173
The average of the two numbers is 2.8. One number is 5. What is the second number? - Students 18463
There are x girls and nine boys in the class. Write a formula for the number y of all students in the class. Express the number of girls from the formula. - Circumference 7669
The rectangular field is 2a meters long and a-2 meters wide. Calculate the field circumference. - Determine 7155
For the indirect ratio, g (20) = 3, determine g (6) - Circumference 6929
Two-thirds of the circumference of the circle is 12π cm long. Calculate the area of the circle. - Summands 4213
Divide the number 28 into two summands so that their product is maximal. - Difference 4086
Find the difference AP if a1 = -1.5 and a2 + a3 = 2.7. - Determine 4056
Determine x if 3^x: 3²996 = 81 - Positive 3298
Which positive number equals twice its square? - Children 2461
On the slope were the skiers. How many adults are on the hill if children are skiing 15? - Arithmetic sequence
Determine the sum of the first 12 terms of an AP (arithmetic sequence) if a4 is equal to 7 and a8 is equal to minus 1.
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