Questions in mathematics

Questions in mathematics

[Done] A model is made of a car. The car is 8 feet long and the model is 10 inches long. What is the ratio of the length of the car to the length of the model?

[Done] If BC = 4 and CD = 27, find AC.

[Done] Which choice describes the translation represented by the translation rule \((x,y) \rightarrow (x+4, y-1)\)? A. 4 units to the right and 1 unit down B. 1 unit to the right and 4 units down C. 4 units to the left and 1 unit up D. 4 units to the left and 1 unit down

[Done] If the area of the trapezoid below is 98 square units,what is the value of x? Plz help!

[Done] Semicircle arc AB,AC,BD and CD divide the circle above in to regions. The points shown along the diameter AD divided in to 6 equal parts. If AD=6 what is the total area of the shaded region?

[Done] Please solve by factoring: \[ 5x^2 + 7x - 66 = 0 \] Use a comma to separate answers.

[Done] What is the next term in the sequence below? 1, 3, 5, 8, 11, 15, 19, 24, ... A. 30 B. 27 C. 29 D. 25

[Done] Simplify the square root of [tex]\frac{9}{16}[/tex].

[Done] If [tex]101! = (99!)x[/tex], then [tex]x = ?[/tex]

[Done] 1. Which is an example of an algebraic expression? A. 4(3 + 8) B. 182 C. 3 – a D. 21 • 4 2. Which is an algebraic expression for "5 more than z"? A. 5z B. z + 5 C. 5z + 5 D. 5 – z 3. Which word phrase can be used to represent the algebraic expression 4(21 + n)? A. 4 plus the sum of 21 and a number n B. 4 times the product of 21 and a number n C. 4 times the sum of 21 and a number n D. 4 less than the sum of 21 and a number n