# Cinema 4

In cinema are 1656 seats and in the last row are 105 seats , in each next row 3 seats less. How many are the total rows in cinema?

**Correct result:****Showing 0 comments:**

Tips to related online calculators

Looking for help with calculating roots of a quadratic equation?

Do you have a linear equation or system of equations and looking for its solution? Or do you have quadratic equation?

Do you have a linear equation or system of equations and looking for its solution? Or do you have quadratic equation?

#### You need to know the following knowledge to solve this word math problem:

## Next similar math problems:

- Discriminant

Determine the discriminant of the equation: ? - Equation 23

Find value of unknown x in equation: x+3/x+1=5 (problem finding x) - What is 9

What is the 15th term; x1=1.5, d=4.5? - Equation

Equation ? has one root x_{1}= 8. Determine the coefficient b and the second root x_{2}. - The product

The product of a number plus that number and its inverse is two and one-half. What is the inverse of this number - Quadratic inequation

If 5x + x² > 100, then x is not - Quadratic equation

Quadratic equation ? has roots x_{1}= -26 and x_{2}= -86. Calculate the coefficients b and c. - Sequence

Between numbers 1 and 53 insert n members of the arithmetic sequence that its sum is 702. - Solve 3

Solve quadratic equation: (6n+1) (4n-1) = 3n^{2} - Roots

Determine the quadratic equation absolute coefficient q, that the equation has a real double root and the root x calculate: ? - Quadratic equation

Find the roots of the quadratic equation: 3x^{2}-4x + (-4) = 0. - Find the 20

Find the product and the sum of the roots of x^{2}+ 3x - 9 = 0 - AS sequence

In an arithmetic sequence is given the difference d = -3 and a_{71}= 455. a) Determine the value of a_{62}b) Determine the sum of 71 members. - Find d 2

Find d in an A. P. whose 5th term is 18 and 39th term is 120. - Sequence 3

Write the first 5 members of an arithmetic sequence: a_{4}=-35, a_{11}=-105. - Seats

Seats in the sport hall are organized so that each subsequent row has five more seats. First has 10 seats. How many seats are: a) in the eighth row b) in the eighteenth row - Tubes

Iron tubes in the warehouse are stored in layers so that each tube top layer fit into the gaps of the lower layer. How many layers are needed to deposit 100 tubes if top layer has 9 tubes? How many tubes are in bottom layer of tubes?