Solve by the substitution method.5x + 35 = 5y2x - 3y = -20
A. No solution
B. (-1, 7)
C. (-1, 6)
D. (-2, 7)
Answer: C
Mathematics
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Answer the following statement(s) true (T) or false (F)
The curriculum "Mathematics: Modeling our World" exemplifies the approach of teaching through problem-solving.
Mathematics
Make an approximate conversion as indicated. Round to the nearest tenth. The precise value of your approximation will depend on the conversion path that you choose.4.30 kg = ____ lb
A. 121.9 lb B. 1.9 lb C. 8.6 lb D. 9.5 lb
Mathematics
Is the statement correct?The set of primes together with the set of composites is the set of natural numbers.
A. yes B. no
Mathematics
Multiply.(-5x - 11y)(-2x + 6y + 1)
A. 10x2 - 30xy - 5x - 66y2 B. 10x2 - 8xy - 8y2 C. 10x2 - 8xy - 5x - 66y2 - 11y D. 10x2 + 22xy - 5x - 66y2 - 11y
Mathematics