Answer:62
Step-by-step explanation:
F=c+32
C=30
F=30+32
F=62
<span>Simplify the fractions if not in lowest terms.Multiply the numerators of the fractions to get the new numerator.<span>Multiply the denominators of the fractions to get the new denominator.</span></span>
<u>Let's solve this problem step-by-step</u>
<u>Let's set</u>:
2x + 6y = 36 -- equation 1
x + 4y = 20 -- equation 2
(equation 2) * 2
2x + 8y = 40 -- equation 3
(equation 3) - (equation 1)
2y = 4
y = 2 -- equation 4
Plug (equation 4)'s value of y into (equation 2)
x + 4(2) = 20
x = 20 - 8
x = 12
<u>Thus x = 12 and y = 2</u>
<u>Let's check, by substituting these values</u>

<u>Answer: x = 12 and y = 2</u>
Hope that helps!
Answer:
A=30 in
Step-by-step explanation:
Solution
A=bh=5·6=30
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➷ Use the expression "x + 2" to work this out
1 + (1 + 2) + (3 + 2) + (5 + 2) + (7 + 2) + (9 + 2) + (11 + 2 ) + (13 + 2) = 64
He will have saved $64
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