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zmey [24]
3 years ago
9

Nurse Jackson examines immunization records for this past winter at the school where she works. Got flu Didn't get flu Total Vac

cinated 120 380 500 Not vaccinated 160 140 300 Total 280 520 800 How many students were not vaccinated and did not get the flu? O A. 300 B. 380 O C. 160 D. 140​
Mathematics
1 answer:
Harman [31]3 years ago
6 0

Answer:

140

Step-by-step explanation:

ap3x

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How do you do this problem?i
Mkey [24]
I'll solve B, and then challenge you to do A and C on your own!

If the line passes through (-3,4) and (5, -4), then the slope is the change in y over the change in x, which is (4-(-4))/(-3-5)=8/-8=-1 in this scenario, meaning that in the equation y=mx+b (with m as the slope), we have y=-x+b so far.Note that we only have to find b, as y and x can stay as variables. Plugging (-3,4) in for y and x (to find B), we get 4=-(-3)+b=3+b. Subtracting 3 from both sides, we get b=1 and the equation being y=-x+1
5 0
4 years ago
5x-11z=21 48x+4z=92 solve for x
Furkat [3]

Answer:

Step-by-step explanation:

20x - 44z = 84

528x + 44z = 1012

548x = 1096

x= 2

48(2) + 4z = 92

96 + 4z = 92

4z = -4

z = -1

(2, -1)

3 0
3 years ago
Need help please and thanks!
tensa zangetsu [6.8K]

D is your answer.


Hope this helps & good luck. :)

3 0
4 years ago
Write the equation of the line in slope-intercept form that has a slope of 1/2
Arada [10]

Answer:

Step-by-step explanation:

m = 1/2, (18,10)

y - y = m(x-x)

y - 10 = 1/2 (x - 18)

y - 10 = 1/2x -9

y = 1/2x - 9 + 10

y = 1/2x + 1

4 0
3 years ago
Consider g (x) = StartFraction 4 x + 9 Over x Superscript 6 Baseline + 1 EndFraction Which statement correctly uses limits to de
Nastasia [14]

To find the end behavior of a function, we find it's limits as x approaches infinity, getting the correct option as:

As x approaches plus-or-minus infinity = limit of StartFraction 4 Over x Superscript 5 EndFraction as x approaches plus-or-minus infinity, so as x approaches infinity, g (x) approaches 0.

Function:

The function given is:

g(x) = \frac{4x+9}{x^6+1}

Limit as x goes to infinity:

To find the limit of a function as x goes to infinity, we consider the term with the highest exponent in the numerator and in the denominator. So

\lim_{x \rightarrow \infty} g(x) = \lim_{x \rightarrow \infty} \frac{4x+9}{x^6+1} = \lim_{x \rightarrow \infty} \frac{4x}{x^6} = \lim_{x \rightarrow \infty} \frac{4}{x^5} = \frac{4}{\infty^5} = 0

The graphic of the function, given at the end of this answer, corroborates the answer.

Thus, the correct option is:

As x approaches plus-or-minus infinity = limit of StartFraction 4 Over x Superscript 5 EndFraction as x approaches plus-or-minus infinity, so as x approaches infinity, g (x) approaches 0.

For more on limits as x approaches infinity, you can check brainly.com/question/12207599.

7 0
3 years ago
Read 2 more answers
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