The answer is 4. If the relay is 1/4 mile, and each person runs 1/16 mile, then to get the answer you divide 1/4 by 1/6 and get 4. 4 people would be needed to run this relay. Hope this helps! :)

7 0

3 years ago

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1/7 divided by 3 Is it 1/3 or 1/2 im so confuse

larisa86 [58]

<h3>given:</h3>

$\frac{1}{7} \div 3$

<h3>solution:</h3>

$\frac{1}{7} \div \frac{3}{1}$

$\frac{1 \times 1}{7 \times 3}$

$= \frac{1}{21}$

5 0

1 year ago

The following equation f(x) = x³ + 0.5x² + 4.5 has only 1 real root. It lies between the interval [-1,0].

melisa1 [442]

We are asked in this problem to find the real root of the polynomial f(x) = x3 + 0.5x2 + 4.5. in this case, to find the root of the equation, we equate the equation to zero.
f(x) = x³ + 0.5x² + 4.5 = 0
2x3 + x^2 + 9 = 0
x1=−1.83557
x2=0.66779+1.41619∗i
x3=0.66779−1.41619∗i

answer is -1.84

6 0

3 years ago

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The mean of a particular set of 7 numbers is 4. Six of the numbers in the set are known: 1,2,2,5,7,and 8.

Setler [38]

$\dfrac{1+2+2+5+7+8+x}{7}=4\\
\dfrac{25+x}{7}=4\\
25+x=28\\
\boxed{x=3}
$

8 0

3 years ago