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cluponka [151]
3 years ago
11

Does the mapping diagram represent a function? why or why not?

Mathematics
1 answer:
alexandr1967 [171]3 years ago
7 0

Answer:

Step-by-step explanation:

( B ) . No; the input value x = - 5 pairs with two output values.

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a cell phone company test 95 cell phones and finds that seven of them have defects out of the 760 cell phones how many would you
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56

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simple ratio: 7/95 = x/760

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Choose the equation that represents the graph below: (1 point) Graph of a line passing through points 0 comma 6 and 9 comma 0 y
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Answer:

Option C is correct.

Equation of a line y=\frac{-2}{3}x+6 passing through (0,6) and (9,0).

Explanation:

Given the two points (0, 6) and (9 ,0).

To find the equation for the given two points (x_{1},y_{1}) and (x_{2},y_{2}) is,

y-y_{1}=m(x-x_{1}); where m is the slope and is given by:

m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}

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Substitute this value in equation of line:

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y-6=\frac{-2}{3} x

⇒ y=\frac{-2}{3}x+6

Therefore, the equation for the given point is:  y=\frac{-2}{3}x+6


7 0
3 years ago
A map of a town was made using a scale factor of 1 inch =1/2 mile. On the map, Sonja measures that her house is 3 inches away fr
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Answer:

1.5 miles

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