Questions in mathematics

Questions in mathematics

[Done] Suggest the best imperial unit to measure: 1. The distance from London to New York 2. The amount of water in a jug 3. The weight of a pencil 4. The height of a man

[Done] What number should be added to the expression \(x^2 + 14x\) to change it into a perfect square trinomial?

[Done] The elevator at the local mall has a weight limit of 1,800 pounds and requires that the maximum person allowance be no more than nine people. Let [tex]w[/tex] represent the amount of weight. Write an inequality to describe the maximum weight allowance in the elevator at one time.

[Done] Which is greater: 0.4 or 0.2?

[Done] What is one fifth of 15?

[Done] What is [tex]8x^2 = 56[/tex] rounded to the nearest tenth equal?

[Done] Find the values of \( k \) that make [tex]2x^{2} + kx + 7[/tex] factorable.

[Done] Determine whether the polynomial is a difference of squares, and if it is, factor it. \[ y^2 - 25 \] A. Is not a difference of squares B. Is a difference of squares: \((y - 5)^2\) C. Is a difference of squares: \((y + 5)(y - 5)\) D. Is a difference of squares: \((y + 5)^2\)

[Done] Rewrite the expression by using grouping symbols: \[ y \cdot 4 + y \cdot z \] A. \( 4(y + z) \) B. \( y \cdot (4 + y) \cdot z \) C. \( z(y \cdot 4) \) D. \( y(4 + z) \)

[Done] Tamara is reviewing recent orders at her deli to determine which meats she should order. She found that out of 1,000 orders, 450 customers ordered turkey, 375 customers ordered ham, and 250 customers ordered neither turkey nor ham. Based on these data, how many of the next 1,000 customers will order both turkey and ham? Show your work and use complete sentences.