3 years ago

Could somebody please help me with these?

Mathematics

1 answer:

ivann1987 [24]3 years ago

7 0

Which ones do you need help on i’ll try to help you ???

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12 yellow balls and 7 red balls are placed in an urn. two balls are then drawn in succession without replacement. what is the pr

xxMikexx [17]

Total number of balls = 12 + 7 = 19

p(first ball is a red) = 7/19

Answer: 7/19

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3 years ago

If the radius of a circle is 5 centimeters, how long is the arc subtended by an angle measuring 60°? A) 3 5 π cm B) 5 2 π cm C)

devlian [24]

Answer:

The length of the arc is $\frac{5\pi}{3}$ centimeters.

Step-by-step explanation:

The length of an arc ( $\Delta s$ ) with a given central angle is determined by the following expression:

$\Delta s = \frac{\theta}{360^{\circ}}\cdot 2\pi\cdot r$

Where:

$r$ - Radius, measured in centimeters.

$\theta$ - Central angle, measured in sexagesimal degrees.

Given that $r = 5\,cm$ and $\theta = 60^{\circ}$ , then:

$\Delta s = \frac{60^{\circ}}{360^{\circ}} \times 2\pi \times 5\,cm$

$\Delta s = \frac{5\pi}{3}\,cm$

The length of the arc is $\frac{5\pi}{3}$ centimeters.

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3 years ago

Use the distributive property to write an expression that is equivalent to each expression 1/5(20y - 4x - 13)

DiKsa [7]

The answer should be
4y-4/5x-13/5

8 0

3 years ago

Please help asap im confused

anyanavicka [17]

Answer:

Step-by-step explanation:

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2 years ago

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5/12 - 2/5 in fraction form

fgiga [73]

5/12-2/5=25/60-24/60
1/60

the answer is 1/60

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3 years ago

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Could somebody please help me with these? ​

Could somebody please help me with these?