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schepotkina [342]
3 years ago
6

HELP WITH WORD PROBLEM - You want to find the probability that three out of five babies are boys. You decide to toss coins to si

mulate the problem. How many coins would you use? Explain.
Mathematics
2 answers:
lidiya [134]3 years ago
7 0

Answer:I would think five one for each baby

Step-by-step explanation:

Sorry If i am wrong

Helga [31]3 years ago
7 0
I don’t know if this is correct but...sense the denominator is 5 than you would use 5 coins and flip then each one time to get your results!
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Simplify: 3•6 - 42 ÷ 2
Romashka [77]

Answer:

-3

Step-by-step explanation:

3 x 6 - 42/2 =

18 - 42/2 =

18 - 21 =

-3

6 0
3 years ago
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Point B has coordinates ​(​1,2​). The​ x-coordinate of point A is -8. The distance between point A and point B is 15 units. What
Xelga [282]

Answer:

The possible coordinates of point A are A_{1} (x,y) = (-8, 14) and A_{2} (x,y) = (-8, -10), respectively.

Step-by-step explanation:

From Analytical Geometry, we have the Equation of the Distance of a Line Segment between two points:

l_{AB} = \sqrt{(x_{B}-x_{A})^{2} + (y_{B}-y_{A})^{2}} (1)

Where:

l_{AB} - Length of the line segment AB.

x_{A}, x_{B} - x-coordinates of points A and B.

y_{A}, y_{B} - y-coordinates of points A and B.

If we know that l_{AB} = 15, x_{A} = -8, x_{B} = 1 and y_{B} = 2, then the possible coordinates of point A is:

\sqrt{(1+8)^{2}+(2-y_{A})^{2}} = 15

81 + (2-y_{A})^{2} = 225

(2-y_{A})^{2} = 144

2-y_{A} = \pm 12

There are two possible solutions:

1) 2-y_{A} = -12

y_{A} = 14

2) 2 - y_{A} = 12

y_{A} = -10

The possible coordinates of point A are A_{1} (x,y) = (-8, 14) and A_{2} (x,y) = (-8, -10), respectively.

8 0
3 years ago
BRAINLIEST AND 20 POINTS
Korvikt [17]
Tan(60)=Opposite or L /20cm

*20. *20

Tan(60)*20=L


34.64101615=L

34.64 (to the nearest hundredth of a meter or cm)
5 0
3 years ago
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Malia works at a movie theater and is paid hourly. One month, she earned $388.80. The total amount she earns can be found using
Georgia [21]
Malia : y = 8.1x.....this tells me she makes 8.10 per hr worked

Bill : if he earned 144.90 for working 18 hrs.....144.90/18 = 8.05 per hr worked.

so Malia makes 5 cents more per hr worked.

Is that the answer ur looking for ?
4 0
3 years ago
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Two acute triangles have perimeters of 20 meters and 100 meters respectively. How many times greater is the perimeter of the lar
Alex787 [66]
The answer is Five :).
6 0
3 years ago
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