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nevsk [136]
4 years ago
7

Which statement is true about the variability of the distributions

Mathematics
1 answer:
luda_lava [24]4 years ago
6 0
The first one. The interquartile range of typing speeds after the course is greater than the interquartile range of speeds before the course.
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Let f be a function such that f(x)=2x-4 is defined on the domain.2 is less than or equal to x and x is lss than or equal to 6. T
STALIN [3.7K]
F(x) = 2x - 4
f(2 ≤ x) = 2(2 ≤ x) - 4
f(x ≥ 2) = 2(x ≥ 2) - 4
f(x ≥ 2) = 2(x) ≥ 2(2) - 4
f(x ≥ 2) = 2x ≥ 4 - 4
f(x ≥ 2) = 2x ≥ 0
f(x ≥ 2) = x ≥ 0

f(x) = 2x - 4
f(x ≤ 6) = 2(x ≤ 6) - 4
f(x ≤ 6) = 2(x) ≤ 2(6) - 4
f(x ≤ 6) = 2x ≤ 12 - 4
f(x ≤ 6) = 2x ≤ 8
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8 0
3 years ago
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A small movie theater sells adults and kids snack packs. On Sunday they sold 60 snack bags for a total of $366. Each adult snack
enot [183]

Answer:

48 snacks

Step-by-step explanation:

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3 years ago
The Johnsons’ new swimming pool measures 3x^2-2x+1 ft in length and x+2 ft in width. What is the area of the new swimming pool,
Usimov [2.4K]

Answer:

3x^3 + 4x^2 -3x + 2

Step-by-step explanation:

The area of the swimming pool will be equal to length * width.

We know that the length is 3x^2-2x+1 and the width is x+2.

Therefore we can substitute those into the equation:

(3x^2-2x+1)(x+2)\\

Then, we expand the brackets using a grid (attached).

After this, we collect like terms to find the final answer:

3x^3+6x^2-2x^2-4x+x+2\\3x^3 + 4x^2 -3x + 2

Our final answer is: 3x^3 + 4x^2 -3x + 2

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2 years ago
Steven purchases a bowl. The diameter of the
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43.96cm

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C=43.96

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3 years ago
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What is the rise,run and slope??
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y axis over x axis is the right answer

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