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2 years ago

12

Jaylynn draws a hen on graph paper using the scale shown below the hen has a length of 16 units in the drawing what is the heigh

t in centimeters of the actual hen

2 answers:

Elza [17]2 years ago

8 0

Answer:

48

Step-by-step explanation:

khan

pogonyaev2 years ago

4 0

Answer:

Step-by-step explanation:

48

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Suppose that a box contains 45 light bulbs, of which 36 are good and the other 9 are defective. Consider randomly selecting thre

Andrew [12]

Answer:

Step-by-step explanation:

Given that a box contains 45 light bulbs, of which 36 are good and the other 9 are defective.

Probability for any one to be defective as of now is $\frac{36}{45} =0.80$

a) $P(E) = 0.80$

b) After I draw we have 35 good ones and 9 defective

P(F/E) = $\frac{35}{44} \\=0.796$

c) P(G/EF)

This is the probability for iii bulb to be good given I and II are goog.

Once I and ii are good we have 43 bulbs with 34 good ones

$P(G/EF) =\frac{34}{43} \\=0.7907$

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2 years ago

Write an expression which solves for the radius of an object having the circumference of 30 feet

Likurg_2 [28]

$circumference=30ft.\\\\circumference=2\pi r\ (r-radius)\\\\2\pi r=30\ \ \ \ /:2\pi\\\\r=\frac{30}{2\pi}\\\\r=\frac{15}{\pi}\ (ft)\\\\\frac{15}{\pi}\approx\frac{15}{3.14}\approx4.78\ (ft)$

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3 years ago

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Translate the following sentence into an equation. Then solve the equation.

AfilCa [17]

the answer is

3x+7=25

-7 -7

3x=18

3x/3=18/3

x=6

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2 years ago

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Elsa and Anna share $2000 in the ratio 5 : 3. How much does each of them get?

Karolina [17]

Answer:

Let them be "x"

5x+3x= $2000

8x= $2000

x= 2000/8

x= 250

5* 250= 1250.

3*250= 750.

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3 years ago

The position of an object at time t is given by s(t) = -9 - 3t. Find the instantaneous velocity at t = 8 by finding the derivati

pogonyaev

Given the function s(t) = -9 -3t, differentiating the function gives the instantaneous velocity. s’(t) = -3 This means that the velocity is not a function of time and is therefore constant. The velocity at t = 8 ( or any time for that matter) is -3 units/time.

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3 years ago