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Paha777 [63]
3 years ago
14

PLEASE HELP! oooooo​

Mathematics
2 answers:
Feliz [49]3 years ago
8 0

Answer:

The missing value is 41.

Step-by-step explanation:

If r= 3c+5 you plug in the 12, which is c, and the equation becomes r= 3x12+5. 3x12= 36, and 36+5= 41.

zloy xaker [14]3 years ago
4 0

Answer:

41

Step-by-step explanation:

because 1=3 so 12=41

hope that helped!

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Use algebraic means to show that x^2 + y^2 = 8 is not a function. Explain your process.
11Alexandr11 [23.1K]

Answer:

For a single value of x function has more than one corresponding value of y which satisfies the equation.

Step-by-step explanation:

Function: A relationship between a set of inputs and a set of possible outputs, where exactly one output is associated with each input.

It means for an equation to represent a function any single value of  x there should be only one corresponding value of  y which satisfies the equation.

Now consider the given equation.

x^2 + y^2 = 8

If we put x=0 then we get two value of y i.e \sqrt8 and -\sqrt8 which satisfy the equation  and therefore the equation is not a function.

5 0
3 years ago
The air force reports that the distribution of heights of male pilots is approximately normal, with a mean of 72.6 inches and a
Anon25 [30]

Answer:

Step-by-step explanation:

<em>Given that X -  the distribution of heights of male pilots is approximately normal, with a mean of 72.6 inches and a standard deviation of 2.7 inches.</em>

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<em />

<em>We have to find the percentile</em>

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<em>X = 74.2</em>

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<em>Corresponding Z score = 74.2-72.6 = 1.6</em>

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<em>P(X<174.2) = P(Z<1.6) = 0.5-0.4452=0.0548=5.48%</em>

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<em>i.e. only 5% are below him in height.</em>

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<em>Thus the malepilot is in 5th percentile.</em>

4 0
3 years ago
Find the value of x. If necessary, round your answer to the nearest tenth. The figure is not
Mashcka [7]

Answer:

9.2

Step-by-step explanation:

we can use the pythagorean theorem to find the hypotenuse between the centre of the circle and the midpoint of the line segment.

hence,

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4 0
2 years ago
4/5-1/2 can u give me the answer
vodomira [7]
3/10, hope it helps :)
8 0
3 years ago
Read 2 more answers
A survey of 100 doctors revealed that 2 out of every 5 doctors recommended Brand M deodorant. Based on these results, how many d
AURORKA [14]

Answer:

Ok well it’s obviously not 140 Bc that’s more Doctors than they had to start and it isn’t 20, it’s not 40, so it’s 60.

Step-by-step explanation:

Also if you do 100/5 you get 20 and 5-2 is 3 so 20 times 3 is 60 so yeah

4 0
3 years ago
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