Solve the problem.Find two numbers whose sum is 42 and whose difference is 10.
A. 14 and 28
B. 16 and 26
C. 28 and 38
D. 33 and 9
Answer: B
Mathematics
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Find an equation for the line. Write the equation in standard form.Through the origin and (7, -8)
A. 8x - 7y = 0 B. 7x + 8y = 0 C. 8x + 7y = 0 D. -8x + 7y = 0
Mathematics
Solve the equation.y + 9.5 = -4.8
A. -4.7 B. -14.3 C. 4.7 D. 14.3
Mathematics
Write in terms of the cofunction of a complementary angle.tan 49°
A. tan 41° B. cot 139° C. cot 41° D. cot 131°
Mathematics
For the following, (i) use a calculator to multiply; and (ii) round the first number to the nearest 10 and the second number to the nearest whole number, then multiply to obtain an estimate of the true product.
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Mathematics