Equations practice problems - page 182 of 236
Number of problems found: 4717
- Expression 3949
Determine what y equals in expression (16^y): 5 = 0.4 - Determine 3948
Determine the quotient and the first member of GP if a3 = 0.52 and a1 + a2 = 0.39. - Three-day 3939
Petr got a three-day part-time job for the holidays. On the first day, he earned 1/4 of the total amount. On the second day, 2/5 of the last two days, and on the third day, he made CZK 450. How much did you earn in total? - Determine 3938
Determine the quotient and the first member of GP if a3 = 0.39 and a1 + a2 = 0.39. - Angle
Determine the size of the smallest internal angle of a right triangle which angles forming the successive members of the arithmetic sequence. - Twenty-first 3935
Determine the twenty-first term and the difference AP if a1 = 0.12 and a1 + a2 = 0.42. - Beginning 3930
Roland has 490 balls. If he gave 145 bullets to Marek, he would still have 100 more bullets than Marek. How many balls did Marek have at the beginning? How many shots do they have together?
- Z9-I-4
Kate thought of a five-digit integer. She wrote the sum of this number and its half in the first line of the workbook. Write a total of this number and its fifth on the second line. She wrote a sum of this number and its one nines on the third row. Finall - Unknown 3922
16% of the unknown number equals the square root of the number 25. Find this unknown number. - Diagonal of the rectangle
Calculate the rectangle's diagonal, whose area is 54 centimeters square, and the circuit equals 30 cm. - Determine 3914
Find the quotient and the sixth term of GP if a1 = 420, a1 + a2 = 630. - Difference 3908 Determine the fourth term and the difference AP if a1 = 3.2 and a2 + a3 = 7.
- Unknown number 7
16% of the unknown number is 21 less than the unknown number itself. Determine the unknown natural number. - Expression 3887
Determine what z equals in the expression 169^z = 2 · 6.5 - Equation: 3881 What is the solution of the equation: 2^x = 2/64
- Determine 3876 Determine the second term and the quotient GP if a3 = 48.6 a1 + a2 = 6
- Independently 3874
Josef would do the work himself in 5 hours. Josef and Michal would do the work together in 3.5 hours. Determine how long it would take Michal to do the job independently. - Difference 3870
The difference between the two numbers is 16. They are natural numbers. The first number is 17 times larger than the second number. Identify both of these numbers. - Exponential equation Determine the value of having y in the expression (3^y): (4-1)=36. Unknown y is a natural number greater than zero.
- Unknown number 5
Daniel thinks of an integer. When he changed this number to a ratio of 2:5, he got the number 2.8. Determine what number Daniel thinks.
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