Equations practice problems - page 21 of 241
Number of problems found: 4806
- Multiple numerical bases
Find the value of x for which 312four+52x=96ten . Hint: four, x, and ten are the base of the given number. - Trapezoid 52
Trapezoid perimeter = 39a-7. Three sides have the following length: 9a, 5a+1, and 17a-6. What is the length of the fourth side? - The difference 4 The difference between four times a number and five is the same as three more than twice a number. Find the number.
- A number 7
A number is such that if we multiply it by 3/5 and add 4/7 to the product, we get -2/35. Find the number. - Average and mean
Suppose that the average of the four values, {-1, x, -2x, 3}, is equal to x - 1. Find the value of x. - The product 11
The product is two number is 20. If one of the numbers is 5/7, what is the other number? - Unknown number 35 I am a number between 121 and 149. I can be divided by both 3 and 5. What number am I?
- A linear
A linear function has a y-intercept of -12 and a slope of 3/2. What is the equation of the line? - The sum 35 The sum of the two numbers is -20. One number is 3 more than the other one. Find the numbers.
- The linear The linear equation 5y-3x-4=0 Can be written in the form y=mx+c. Find the values of m and c.
- Twice 2 Twice the difference between a number and 3 is equal to three times the sum of the number and 8. Find the number.
- Rupees
Seventy coins of rs 10 and rs 50 are kept in a purse. Suppose the total value of the money in the purse is RS.1900. find the number of each type of coin. - Temperature 53
The temperature this afternoon was X. The temperature has fallen 5 degrees and is now 68. What was the temperature this afternoon? - A gym
The A gym offers two packages for yearly memberships. The first plan costs $50 to be a member. Then, when you visit the gum, it is $5 to get in. The second plan costs $200, but it only costs $2 to get in each time you visit. How many visits would it take - Decimal numbers
When two decimal numbers are multiplied, the answer is 0.072. When the same two decimal numbers are added, the answer is 0.72. What are the two decimal numbers? - Simple coefficient Find the value of k; if x = 3, y = 2 is a solution of the equation 2x + 3y = k.
- Find all 2
Find all the complex solutions (write the answer in the form x+iy) of the system. {|z-12|/|z-8i|=5/3 ; |z-4|=|z-8| - Three rationals Let x, y, and z represent three rational numbers, such that y is 512 times x and z is 50.25 more than x. If y=15.5, what is the value of z?
- A sandbox
3/4 a sandbox has an area of 20 square feet. The length is 6 1/2 feet. What is the width of the sandbox? - Math class There are a total of 30 students in a math class. The number of boys is 2 more than 3 times the number of girls. How many boys are in this math class?
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