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agasfer [191]
3 years ago
6

What’s the answer please

Mathematics
1 answer:
laiz [17]3 years ago
4 0

Answer:

C. \sqrt {149}

Step-by-step explanation:

Coordinates of the endpoints of the segment are (4, 4) & (-6, - 3)

By distance formula

Length of segment

= \sqrt {(4+3)^2 +(4+6)^2}

= \sqrt {(7)^2 +(10)^2}

= \sqrt {49 +100}

= \sqrt {149}

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balu736 [363]

Answer: <em>Tara thinks correctly.</em>

Step-by-step explanation:

<em>Let's calculate the average value in sample A:</em>

<em>(4 × 70 + 5 × 100 + 6 × 125 + 7 × 135 + 8 × 70) ÷ 500 = 6,07 ≈ </em><em>6 hours</em>

<em>Let's calculate the average value in sample B:</em>

<em>(4 × 80 + 5 × 90 + 6 × 120 + 7 × 125 + 8 × 85) ÷ 500 = 6,09 ≈ </em><em>6 hours</em>

<em>So, Tara is correct in saying that the mean is 6.</em>

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3 years ago
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Serggg [28]
I think it should be option d
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3 years ago
If 11 key chains cost $53.35 than 4 key chains cost $
xeze [42]

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8 0
3 years ago
Read 2 more answers
. An object dropped from a height of 200 meters has a height, h(t), in meters after t seconds have lapsed, such that h(t) = 200
Veronika [31]

Answer:

t(h)= (h-200)/-4.9

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Step-by-step explanation:

To express t as a function of height (h) we must transform the equation below:

h=200-4.9t

h-200=-4.9t

(h-200)/-4.9=t

t(h)= (h-200)/-4.9

To find the time to reach a height of 50 meters, we must replace this value on the new equation:

t(h)=50-200/-4.9

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8 0
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snow_lady [41]
46 = 5k - 59
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105/5 = k
21 = k

k is 21
4 0
3 years ago
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