24. Two trapezoids have areas of 432 cm and 48 cm. Find their ratio of similarity
1 answer:
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The <em><u>correct answer</u></em> is:
At least 7 times.
Explanation:
Since 10% of the water in the jug is removed each time, this means that 100-10=90% of the water remains.
After two times, we would have 0.9(0.9) = 0.81 = 81% of the water; each time she pours, the number of times 0.9 is multiplied by itself changes. This makes this an exponential inequality (it is not an equation, as we want "less than half of the water"):
To solve this, we will use logarithms:
When a sign has the underline, it means it is also equal to.
for example,
x
10
so the solution for "x" is greater than or equal to 10
hope this helps!
for example,
x
so the solution for "x" is greater than or equal to 10
hope this helps!