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musickatia [10]
3 years ago
10

James has mapped his seat and his teacher's seat on the coordinate plane at (0,10) and (–4,6). Find the distance between their s

eats. A. 4√ 17 units B. 16 units C. 4√ 2 units D. 4 units
Mathematics
2 answers:
pshichka [43]3 years ago
8 0

Answer:

4√2 units (Answer C).

Step-by-step explanation:

Going from the seat at (-4,6) to the one at (0,10), x increases by 4 units and y increases by 4 units.  We need to use the distance formula to determine how far apart these seats are.

d = √(change in x)^2 + (change in y)^2 ).

That works out to:

d = √(4^2 + 4^2) = √(32) = 4√2 units (Answer C).

Dafna11 [192]3 years ago
6 0

Answer:

c

Step-by-step explanation:

4 Radical 2

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Step-by-step explanation:

The formula for the nth term of the sequence is expressed as

n=(n+1)!/n+1

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(1+1)!/(1+1) = 2!/2 = (2×1)/2 = 1

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For the third term, n = 3, therefore

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For the fourth term, n = 4. Therefore

(4+1)!/4+1 = 5!/5 = (5×4×3×2×1)/5 = 24

For the fifth term, n = 5. Therefore

(5+1)!/5+1 = 6!/6 = 6× 5×4×3×2×1)/6 = 120

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3 years ago
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Step-by-step explanation:

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3 years ago
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Answer:

The standard deviation of the following data set is 32.2

Step-by-step explanation:

step 1

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[56,78,123,34,67,9,20]

Sum the data and divided by the number of elements

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step 2

For each number: subtract the Mean and square the result

[(56-67)^{2},(78-67)^{2},(123-67)^{2},(34-67)^{2},(67-67)^{2},(91-67)^{2},(20-67)^{2}]

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step 3

Work out the mean of those squared differences

[121+121+3,136+1,089+0+576+2,209]/7=1,036

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Step-by-step explanation:

The equation for the diameter of a circle is C=d\pi, so we just multiply the diameter (15) by \pi. 15\pi, or roughly 47.1238898038. Rounded to the nearest meter, 47 meters. Also, happy pi day!

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zhannawk [14.2K]

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/13     /13

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