Answer:
I agree with the student's answer. "x" cannot be -2 because then it would make -20 which is not equal to 20:
5(-2)(2) = ?
-10 x 2 = ?
? = -20
-20 ≠ 20
Step-by-step explanation:
Justificaiton:
5(x)(2) = 20
10(x) = 20
10/10(x) = 20/10
x = 2
Second Justification:
5(x)(2) = 20
5/5(x)(2) = 20/5
2x = 4
2x/2 = 4/2
x = 2
Answer:
40 US fluid ounce/ minute = 18.75 US liquid gallon/hour
Step-by-step explanation:
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He earned $16 in a hour cuz he worked for 10 hours and 10x16=160
Answer:
Step-by-step explanation:
Here we see tan(B) has opposite side of 12 and adjacent of 9
using the formula: