Solve the following inequality.x + 5 > 7
Answer(s): B
The expression (x + 5 > 7) is a statement of inequality, it means that x plus 5 is greater than 7 not equal to it.To solve this inequality, subtract 5 from both sides of the statement.x + 5 > 7x + 5 - 5 > 7 - 5x > 2Thus the statement of inequality is true for any value of x that is greater than 2. Try it with 3, for example.3 + 5 > 78 > 7 a true statement
What is 4% of 0.0375?
Answer(s): A
Multiply 0.0375 by 4% (or 0.04).0.0375 × 0.04 = 0.001500 = 0.0015Note that the product has as many decimal places as there are in the multiplicand and multiplier combined, but the two final zeros may be dropped since they are to the right of the decimal point and at the end.
What number multiplied by 2/3 will give a product of 1?
Answer(s): C
If a number is multiplied by its reciprocal (also called its multiplicative inverse), the product is 1. The reciprocal of a traction is found by inverting the fraction.The reciprocal of 2/3 is 3/2, that is, 2/3 × 3/2 = 1
What is the value of the expression x2 - 5xy + 2y if x = 3 and y = -2?
Answer(s): D
Substitute 3 for x and -2 for y in the expression 2 - 5xy + 2y (3)2 - 5(3)( -2) + 2(-2)9 - 15 (-2) - 49 + 30 - 4
Solve the following inequality:x - 3 < 14.
x - 3 < 14 is an inequality that states that x minus 3 is less than 14. To solve the inequality, add 3 to both sides of it.x - 3 + 3 < 14 + 3x < 17
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