Solve the system of equations using substitution.
A. x = -5, y = 0 or (-5, 0)
B. x = -4, y = 2; x = 4, y = 18
or (-4, 2), (4, 18)
C. x = -4, y = 2 or (-4, 2)
D. x = 0, y = 10; x = 0, y = 26
or (0, 10), (0, 26)
Answer: C
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?Which of the following has a larger volume, i.: a cone with h = 10 in, r = 3 in, or ii. a cone with h = 7 in, r = 6 in. Explain why?
A. ?ii., 6 squared times 7 is greater than 3 squared times 10. B. ?i., 3 squared times 10 is greater than 6 squared times 7. C. ?Both have the same volume. D. ?ii., 3 squared times 10 is greater than 6 squared times 7. E. ?i., 6 squared times 7 is greater than 3 squared times 10.
Solve:
j264 ÄÄÄÄ = j4 a. 16 b. j216 c. -j16 d. -16 e. j16
Simplify.30 ÷ 1
A. 0 B. 30 C. 1 D. undefined
Provide an appropriate response.A student was asked to find ordered pairs that solve the system of equations x + 2y = 3 2x + 4y = 6.The student claims that (1, 1) and (-1, 2) are the only solutions. Is the student correct?
A. yes B. no