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snow_tiger [21]

3 years ago

6

In a recent year, 22.8% of all registered doctors were female. If there were 49,900 female registered doctors that year,

1 answer:

nekit [7.7K]3 years ago

3 0

Answer:

218,860

Step-by-step explanation:

If you were to set up a proportion, you would set it up as 22.8/100 = 49,900/x. Then you would cross multiply the numbers to get that 22.8x = 4,990,000. Then you would divide 4,990,000 by 22.8 and get 21859.649122807. You want a whole number so the .6 would round the 9 up and you would get 218,860.

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iogann1982 [59]

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Step-by-step explanation:

8 0

3 years ago

The graph of a proportional relationship contains the point (-30, 18)

Elena L [17]

Answer:

$k=-\frac{3}{5}$

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form $k=\frac{y}{x}$ or $y=kx$

In a proportional relationship the constant of proportionality k is equal to the slope m of the line and the line passes through the origin

we have the point (-30,18)

so

x=-30, y=18

Find the value of k

$k=\frac{y}{x}$

substitute

$k=\frac{18}{-30}$

Simplify

Divide by 6 both numerator and denominator

$k=-\frac{3}{5}$

4 0

3 years ago

X/x+2 = 4/5. Solve for x.

gregori [183]

<span>X/x+2 = 4/5

5x = 4x + 8

5x - 4x = 8

x= 8

</span>

4 0

3 years ago

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nignag [31]

Answer:

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Step-by-step explanation:

8 0

3 years ago

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Determine whether theses lines are parallel, perpendicular or neither

belka [17]

Answer:

Lines 2 and 3 are parallel with slope (-2/3) and different y intercepts, and both are perpendicular to line 1 (-1) / (3/2) = (-2/3)

Step-by-step explanation:

Parallel lines have the same slope

Perpendicular lines have negative reciprocal slopes

line 1: 6x - 4y = 2

line 1: 4y = 6x - 2

line 1: y = (3/2)x - 0.5

line 2: y = (-2/3)x - 6

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line 3: y = (-2/3)x + 4/3

8 0

3 years ago