Answer:
$10
Step-by-step explanation:
x is her weekly allowance.
She spent half her allowance and has ½x remaining.
She earned $7, and now has $12.
12 = ½x+7
x = 10
Answer:
a. Laura: 58.50 = 3x + 2y Sage: 67 = 2x + 4y
b. Pepperoni pizza: $12.50
c. Plain pizza: $10.50
Step-by-step explanation:
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Answer:
c=4.2
Step-by-step explanation:
using sine rule
c²=b² + a²-2ba cos C
c²=6²+5²-2x6x5cos95
c²=36+25-60cos95
c²=61-43.81
c²=17.19
c=√17.19
c=4.2
Answer:
n = 12
Step-by-step explanation:
Given
= = 2 ( multiply both sides by 6 )
n = 12