For Exercises 104–108, solve the equation. 104. 102 + 1210 = 0 105. x(x – 4) = -9 106. 6d/3 – 7d'/3 – 3 = 0 107. (2u? – 1)? –- 10(2u? – 1) + 9 = 0 - 4. 108. 2 + 1 リー: 4 + 1 :)- o |
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- In Exercises 129–132, determine whether each statement is true or false. If the statement is false, make the necessary change(s) to produce a true statement. 129. 9x? + 15x + 25 = (3x + 5) 130. x - 27 = (x – 3)(x² + 6x + 9) 131. x³ – 64 = (x – 4)3 132. 4x2 – 121 = (2x – 11)In Exercises 1-16, calculate y" and y".Exercises 105–107 will help you prepare for the material covered in the next section. 105. Let x represent a number. a. Write an equation in x that describes the following conditions: Four less than three times the number is 32. b. Solve the equation and determine the number. 106. Let x represent the number of countries in the world that are not free. The number of free countries exceeds the number of not-free countries by 44. Write an algebraic expression that represents the number of free countries. 107. You purchase a new car for $20,000. Each year the value of the car decreases by $2500. Write an algebraic expression that represents the car's value, in dollars, after x years.
- 8) A pitcher gave up three runs in each inning (-3). What is the effect after nine innings? Write the equationThe model H described by H= 2.75x+71.48 can be used to predict the height, in centimeters, of a woman whose humerus (the bone from the elbow to the shoulder) is x cm l Predict the height of a woman whose humerus is 44 cm long. The predicted height of a woman whose humerus is 44 cm long is cm. (Type an integer or a decimal.)Please please solve this now !?