3 years ago

Which graph shows the inequality n>2

Mathematics

1 answer:

Ira Lisetskai [31]3 years ago

3 0

C. the third graph.
hope this helps!

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Nancy’s 50-meter freestyle swim time was 28.004 seconds. Betty’s 50-meter freestyle swim time was 27.949 seconds. What was the d

Pie

The difference between their swim times was 0.055 seconds.

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3 years ago

Find a vector equation and parametric equations for the line through the point (7,4, 5) and parallel to the vector 3i 2j-k .

aleksley [76]

Answer: vector equation r = (7+3t)i + (4+2t)j + (5 - 5t)k

parametric equations: x = 7 + 3t; y = 4 + 2t; z = 5 - 5t

Step-by-step explanation: The vector equation is a line of the form:

r = $r_{0}$ + t.v

where

$r_{0}$ is the position vector;

v is the vector;

For point (7,4,5):

$r_{0}$ = 7i + 4j + 5k

Then, the equation is:

r = 7i + 4j + 5k + t(3i + 2j - k)

r = (7 + 3t)i + (4 + 2t)j + (5 - 5t)k

The parametric equations of the line are of the form:

x = $x_{0}$ + at

y = $y_{0}$ + bt

z = $z_{0}$ + ct

So, the parametric equations are:

x = 7 + 3t

y = 4 + 2t

z = 5 - 5t

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3 years ago

Please answer fast!

rosijanka [135]

Multiply the three numbers.

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A scientist earning an annual salary of $49,839 gets a 4% raise. Estimate the new annual salary for this scientist.

sattari [20]

So i would do this question is what is 4% of 49,839 and then think about it for a minute or so then if i got stuck i would type it into a claculator and what do you get 1993.56 would be your answer.

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Write a number sentence to show the sum of fourteen and eight is twenty two

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14 + 8 = 22

Hope this helps!

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3 years ago