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Artyom0805 [142]
3 years ago
5

A penny, a nickel, a dime, and a quarter are tossed. What is the probability of obtaining at least one head on the tosses?

Mathematics
1 answer:
Anton [14]3 years ago
5 0
The penny can land two ways. The nickel can land two ways. The dime can land two ways. The quarter can land two ways. The total number of ways that all of them can land is (2x2x2x2)= 16 possibilities. Only ONE result shows no heads . . . TAIL-TAIL- TAIL-TAIL. All of the other 15 possibilities include at least one HEAD. So the probability is 15/16 = 93.25% .
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Express in a simplified exponential notation 18a^3b^2/2ab
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How many number of terms does 5p^2-2p+3r have?
Helga [31]

Answer:

3 terms

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angle 3 and angle 4 form a linear pair. the measure of angle 3 is four more than three times the measure of angle 4. find the me
lisabon 2012 [21]
Since angles 3 and 4 form a linear pair, the sum of the measures of their angles must add up to 180. 

We can define angle 3 as x, and angle 4 as (180-x). 

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4 0
3 years ago
Can someone help please
Juli2301 [7.4K]

The measure of angle RQS is 50°.

Solution:

Given data:

m(ar QTS) = 260°

<u>Tangent-chord theorem:</u>

<em>If a tangent and chord intersect at a point, then the measure of each angle formed is half of the measure of its intercepted arc.</em>

$ m \angle PQS  = \frac{1}{2}\times m(ar \ QTS)

              $  = \frac{1}{2}\times260^\circ

              =130^\circ

m∠PQS = 130°

<em>Sum of the adjacent angles in a straight line is 180°.</em>

m∠PQS + m∠RQS = 180°

130° + m∠RQS = 180°

Subtract 130° from both sides.

130° + m∠RQS - 130° = 180° - 130°

m∠RQS = 50°

The measure of angle RQS is 50°.

4 0
3 years ago
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