Ejercicios De Matematicas

MATH I
Integrative Product





I.INSTRUCTIONS: SOLVE

1. Find the value of “x” .

1. 3x + 5 = 20 2. 4 – 2x = -63. 4 – 2x = 6


4. 5. 2ax-2b=2c 6. 14-2x=2y

7. 6(x – 2) = 6 8. 8(x + 3) = 40 9. 2(2 – x) = 0

10.2(2 – x) = 8 11. 2(2 – 2x) = 0 12. 2(2 – 2x) = -8

13. 9x + 5 = 5x + 9 14. 9x – 5 = 7x + 1 15.10x – 2=9x +1

16. 2 – 10x = 13 + x 17.18.

19.


2. Write the equations and solve the problems.

1. John weighs 80 kg and is on a diet that allows him to lose 1.5 kg perweek. Jose weighs only 60 kg but is another diet that allows him to increase 0.5 kg per week.
a) Determine an equation that represent after x weeks they will have thesame weight.

2.
b) How long will they have the same weight?

2. A rope of 34 meters long will be cut into two pieces. If one of them should be 3 feet longerthan the other, how long will be each piece?

3. In the school bookstore, they sell English and French notes. You paid $ 56. If the French notes are $6 more thanEnglish notes, How much is each one?

4. Considers that A, B and C are the interior angles of a triangle and the sum of its three angles: A + B + C = 180. If B is twiceas A, C three times B, find the measure of angle A.

5. The sides of the triangle have lengths that are at a ratio of 4:7:11. If the perimeter of the triangle is 132cm, determines the measure of each side.

6. At school the ratio of women to men is 14:11. If the school has 2650 students, how many women and how many men are there?