Write the standard form of the equation of the circle with radius r and center (h, k).r = 4; (h, k) = (10, 6)
A. (x - 10)2 + (y - 6)2 = 4
B. (x - 10)2 + (y - 6)2 = 16
C. (x + 10)2 + (y + 6)2 = 16
D. (x + 10)2 + (y + 6)2 = 4
Answer: B
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Name the property that justifies the statement. All variables represent real numbers.5? =
? x
A. Distributive property of multiplication over addition B. Inverse property of multiplication C. Associative property of multiplication D. Commutative property of multiplication
Simplify the expression.
A.
B.
C.
D.
E.
Calculate.3.52 ÷ 4
A. 1.88 B. 8.8 C. 0.88 D. 18.8
Translate the problem to a system of equations, then solve using matrices.Anne and Nancy use a metal alloy that is 17.32% copper to make jewelry. How many ounces of a 11% alloy must be mixed with a 23% alloy to form 150 ounces of the desired alloy?
A. 71 ounces B. 79 ounces C. 84 ounces D. 73 ounces