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photoshop1234 [79]
3 years ago
5

Nine fewer than half a number is five more than four times the number. Define a variable, write an equation, solve the number.

Mathematics
1 answer:
zmey [24]3 years ago
5 0
N = the number

\frac{1}{2}n - 9=4n+5 \\ ( \frac{1}{2}n  -  \frac{1}{2}n)-9=(4n- \frac{1}{2}n)+5 \\ -9=3.5n+5 \\ (-9-5)=3.5n+(5-5) \\ -14=3.5n \\  \frac{-14}{3.5} =  \frac{3.5n}{3.5} \\ -4=n

The number is -4
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GenaCL600 [577]
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Answer:

Step-by-step explanation:

Thank you for providing the details of the question.

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What value of x makes the equation 5(x - 3) + 2x = 41 TRUE?
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Martha has widow's peak and attached earlobes. Martha's dad had a straight hairline and unattached earlobes. If Martha marries a
krok68 [10]

Answer:

the probability of having a widow peak and attached earlobe = 0.6667*0.66667 = 0.4445 = 44.5%

Step-by-step explanation:

Martha = widow's peak + attached earlobes.

Martha's dad = straight hairline + unattached earlobes.

Martha husband =straight hairline+ widow's peak + attached earlobes

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since,

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3 years ago
Solve step by step: 25/6-4x = -9x=5/6
Sergeeva-Olga [200]
<span>Simplifying 5(6 + -4x) = 25 (6 * 5 + -4x * 5) = 25 (30 + -20x) = 25 Solving 30 + -20x = 25 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-30' to each side of the equation. 30 + -30 + -20x = 25 + -30 Combine like terms: 30 + -30 = 0 0 + -20x = 25 + -30 -20x = 25 + -30 Combine like terms: 25 + -30 = -5 -20x = -5 Divide each side by '-20'. x = 0.25</span>
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