Solve.6r + 10 = 52
A. 40
B. 36
C. 7
D. 1
Answer: C
Mathematics
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Factor the trinomial or state that the trinomial is irreducible.x2 - x - 56
A. irreducible B. (x + 1)(x - 15) C. (x + 7)(x - 8) D. (x + 8)(x - 7)
Mathematics
If y varies directly as x, write a general formula to describe the variation.y = 0.4 when x = 3.2
A. y = x - 2.8 B. y = 8x C. y = 0.125x D. y = 0.4x
Mathematics
Use scientific notation to solve the problem.If the speed of light is 3.00 × 108 m/sec, how long does it take light to travel 2.29 × 1011 m, the distance from the sun to Mars?
A. 76 sec B. 7.6 × 102 sec C. 7.6 × 103 sec D. 7.6 × 102 min
Mathematics
Multiply without using pencil and paper or a calculator.
?
?
A. 32,700 B. 327,000 C. 1,327 D. 427 E. 3,270
Mathematics