Answer:
(a) -20 1/2
Step-by-step explanation:
The proportion can be solved using "cross multiply" as the first step. This eliminates the fractions and turns it into a linear equation.
2/7 = -5/(x +3) . . . . . given
2(x +3) = -35 . . . . . . multiply by 7(x +3)
2x = -41 . . . . . . . . . simplify, subtract 6
x = -20 1/2 . . . . . . divide by 2
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Equation
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m + n²
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Substitute value of m and n into the equation
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When m = 2, n = -2
m + n² = 2 + (-2)²
m + n² = 2 + 4
m + n² = 6
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Answer : 6
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The answer is A -5. hope this helpsssss
Answer:he only has 8 coins left
Step-by-step explanation:
20--?=8
8+12=20
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