Answer: 8r = 256 is the expression. There are 32 rooms on each floor.
Answer: To write a percentage as a decimal, simply divide it by 100. For example, 50% becomes 0.5, 20% becomes 0.2, 1% becomes 0.01 and so on. We can calculate percentages using this knowledge. 50% is the same as a half, so 50% of 10 is 5, because five is half of 10 (10 ÷ 2).
Step-by-step explanation:
there would be 29 pencils left because 3 * 12 is 36 minus 7 is 29
Answer:
if mai scores 5 points and noah scores three times that, then he scored 15. tyler scored 4 less than noah (11 points) and elena scored twice as many points as tyler, 22 points
5x3=15
15-4=11
11x2=22
Answer: 10
Step-by-step explanation:
Vieta's formulas :
5 - 3i + 5 + 3i = b ⇒ b =10
Now, we have the equation:
x² -10x + 34 = 0
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