4 years ago

What is the order of magnitude for the total weight of 5 cars that weigh 3,000 pounds each?

Mathematics

1 answer:

WINSTONCH [101]4 years ago

3 0

The answer is 15,000.

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First you would have to find how many miles Yoko drives per hour so you divide 522 miles/9 hours to get 58 miles per 1 hour. Then you multiply 58 * 13 to get 754 miles.

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4 years ago

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3 years ago

You weigh six packages and find the weights to be 19, 15, 35, 17, 33, and 31 ounces. If you include a package that weighs 39 oun

vodomira [7]

Answer:

Step-by-step explanation:

Mean & median of 6 packages:

15, 17, 19, 31, 33 , 35

Median = $\frac{19+31}{2}$

= $\frac{50}{2}$

= 25

$Mean = \frac{15+17+19+31+33+35}{6}\\\\=\frac{150}{6}\\=25$

Mean & median of 7 packages:

15,17,19,31,33,35,39

Median = 31

$Mean=\frac{19+15+35+17+33+31+39}{7}\\\\=\frac{189}{7}\\\\=27$

After including 39 ounce package, Median will increase more

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3 years ago

Minimum point of the quadratic x^2+6x-2

WITCHER [35]

Answer:

(-3,-11)

Step-by-step explanation:

Compare the given quadratic equation with the general quadratic equation.

a=1, b=6 and c=-2

$x=-\dfrac{(6)}{2(1)}\\=-3$

Subsitute $-3$ for $x$ in given quadratic equation.

$y=(-3)^2+6(-3)-2\\=9-18-2\\=-11$

The minimum point is (-3,-11).

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3 years ago

Solve this. 6x+9=27−3x

MissTica

Answer:

x=2

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3 years ago

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