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3 years ago

Given the following data set, calculate the mean, median, mode, and midrange.

Mathematics

1 answer:

cupoosta [38]3 years ago

3 0

Answer:

mean is all values added together and divided by number if values. mode is most often. median is middle cross from both sides

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A total of 60 children signed up for hockey. There were 3 boys for every 1 girl who signed up. How many of the children who sign

timurjin [86]

60÷(3+1)=15 1*15 = 15 girls 3*15 = 45 boys

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A restaurant needs to buy three hundred sixty-seven new plates. if each box has three plates in it, how many boxes will they nee

saw5 [17]

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Sylvia is hiking from Mineral Creek to Blueberry Hilla distance points of 6 1/5 miles. After hiking 2 2/3 miles , Sylvia stops f

Margarita [4]

Given:

Total distance = $6\dfrac{1}{5}$ miles

Hiking before lunch = $2\dfrac{2}{3}$ miles

To find:

How much further does Sylvia have left to hike?

Solution:

Let x be the remaining hiking distance.

We know that,

Total hiking distance = Hiking before lunch + Remaining hiking distance

$6\dfrac{1}{5}=2\dfrac{2}{3}+x$

$\dfrac{(6\times 5)+1}{5}=\dfrac{(2\times 3)+2}{3}+x$

$\dfrac{30+1}{5}=\dfrac{6+2}{3}+x$

$\dfrac{31}{5}=\dfrac{8}{3}+x$

Isolate variable term.

$\dfrac{31}{5}-\dfrac{8}{3}=x$

$\dfrac{93-40}{15}=x$

$\dfrac{53}{15}=x$

It can be written as

$\dfrac{45+8}{15}=x$

$\dfrac{(3\times 15)+8}{15}=x$

$3\dfrac{8}{15}=x$

So, $3\dfrac{8}{15}$ miles left to hike.

Therefore, the correct option is C.

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3 years ago

A parabola intersects the xxx-axis at x=3x=3x, equals, 3 and x=9x=9x, equals, 9.

hichkok12 [17]

Answer:

x=6

Step-by-step explanation:

Given the x-intercepts of a parabola: $x_1=3, x_2=9$

The equation of symmetry at the parabola's vertex is x=h

Where $h=\dfrac{x_1+x_2}{2}$

In this case,

$h=\dfrac{3+9}{2}=6$

Therefore, the line of symmetry of the parabola is x=6 and is also the x-coordinate of the parabola's vertex.

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4 years ago

How many solutions does this linear system of equations have?

Irina18 [472]

It has infinite solutions

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