Answer:
12/5
Step-by-step explanation:
His fish tank is 4 1/2 gallons of water. It takes him 1 7/8 minutes to fill it. So you need to find out how many gallons you can pour in 1 minute. You can eliminate A because he is filling more than 1 gallon per minute. You can divide 4.5 (4 1/2) by 1.875 (1 7/8). You get 2.4. Convert it back to a fraction, and you get 2 4/10. Simplify the fraction 2/5. Now convert it to an improper fraction. 12/5.
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<em>Here</em><em>'s</em><em> </em><em>your</em><em> </em><em>answer</em>
<em>-</em><em>9</em><em>*</em><em>4</em><em>=</em><em>-</em><em>3</em><em>6</em>
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Use Pythagoras's theorem.
Now, minus 12 from 15:
15 - 12 = 3,
which you need to square.
So the length of a = 9cm.
You can also do:
Which gets 9.
Hope this helps.
Answer:
Its 10
Step-by-step explanation:
10+10=20 so 20/2 is 10
Your answer is C
20.75-14.00=6.75
6.75÷5=1.35
