This is what I got. But I am not 100% sure on 24 and 25 since I did them a few months ago I hope I was of help though
A tank initially contains 130 gallons of water. It is then filled with more water, at a constant rate of 8 gallons per minutes.
1 answer:
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Answer:
1.3 inches
Step-by-step explanation:
1. Determine what you already know in order to set up the equation:
1 inch = 100 miles
<em>x</em> inches = 130 miles
Solving for <em>x</em>
2. Set up the equation so both numerators are the same unit (In this case, both numerators are the mile values and both denominators are the inch values.)
=
3. Cross multiply (Multiply the first fraction's numerator by the second fraction's denominator, and vice versa. It doesn't matter which number is on which side of the = sign.)
100<em>x</em> = 130
4. Divide each side by 100 to isolate the variable.
<em>x</em> = 1.3
Answer:
.3375
Explanation:
Total people who were given drug: 800
Total people who showed improvement: 270
Probability:
<em>insert values</em>
<em>simplify</em>
<em />
<em>in decimals</em>