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Marina CMI [18]
3 years ago
9

Ten of 16 students in Nyack's class are girls. His teacher selected two helpers by randomly drawing names. He drew a boys name f

irst and then a girls names. Nyack thinks that the probability of this happening is 15/64. Is he correct? If not, Explain his error.
Mathematics
1 answer:
katrin [286]3 years ago
7 0

|\Omega|=16\cdot15=240\\|A|=6\cdot10=60\\\\P(A)=\dfrac{60}{240}=\dfrac{1}{4}

He's wrong.

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Select the correct answer.<br> What is the value of g(2)
Mariulka [41]

Answer:

1

answer is D

Step-by-step explanation:

we must calculate it from this equation :

x³ -9x²+27x-25 then

{2}^{3}  -( 9 \times 4 )+ (27 \times 2) - 25 =  1

4 0
2 years ago
And I oop- T^T<br><br> Send help
Rufina [12.5K]

I sent help but no one answered :(

Jk, I got you fam

12(t + 2) + 4 ≥ - 8

12t + 24 + 4 ≥ - 8

12t + 28       ≥ - 8

12t               ≥ - 8 - 28

12t               ≥ - 36

t                  ≥ - 36 ÷ 12

t                  ≥ - 3

Solution:

t ≥ -3

4 0
3 years ago
Read 2 more answers
A toy plane moves at a constant speed of 2m/s. How long will it travel a distance of 42 meters?
Tpy6a [65]

Answer:

option A. 21 sec

Step-by-step explanation:

Speed = the distance over the time

Given:

Speed = 2 m/s  and distance = 42 m and time = t

So,

2 = 42/t

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t = 42/2 = 21 sec.

The answer is option A. 21 sec

7 0
3 years ago
NEED HELP ASAP PLEASS AND THANK YOU ​
Ghella [55]

Answer:

Using points ( 2 , - 4) and ( 0 , 2)

Slope = 2+4/0-2 = 6/-2 = - 3

Since the lines are parallel their slope will be the same

So the slope of the line parallel to the one in the picture is - 3

That's option A.

Hope this helps.

7 0
3 years ago
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A fishing boat lies 200 m due south of a large tree on the shoreline and 300 m southwest of the dock. The shoreline runs East to
Lunna [17]
Tree...........................dock
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use Pythagorean Theorem to satisfy...a^2 + b^2 = c^2

200^2 + b^2 = 300^2
b^2 = 300^2 - 200^2
b^2 = 50000  (get square root of each)
b = 223.606  (rounded to the nearest tenth.... = 223.6



4 0
3 years ago
Read 2 more answers
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