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sveticcg [70]
3 years ago
10

PLEASE PLEASE PLEASE HELP ME​

Mathematics
1 answer:
qaws [65]3 years ago
5 0

Answer:

\large\boxed{\dfrac{1}{45}}

Step-by-step explanation:

1.

2 yellow marables of 10 all marables

P(A_1)=\dfrac{2}{10}=\dfrac{1}{5}

2.

1 yellow marable of 9 all marables

P(A_2)=\dfrac{1}{9}

P(A)=P(A_1)\cdot P(A_2)\\\\P(A)=\dfrac{1}{5}\cdot\dfrac{1}{9}=\dfrac{1}{45}

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Can somebody pls answer these three questions pls!!!!ASAP
Y_Kistochka [10]

Answer:

1) x=1

2) x=6

3) x=3

Step-by-step explanation:

i just did them :) good luck

7 0
3 years ago
Which fractions are greater than -5/16 ?
AlladinOne [14]
-5/16 

Our choices:-

A.-3/8
 
 
 B.-11/12
 
 
 C.-1/4
 
 
<span> D.-1/8
</span>
Let us get all of them with a LCD

-1*2 = -2
8*2 = 16

-2/16 is not bigger than -5/16

-11/12 is bigger than -5/16 because half of 16 is 8.

-1*4 = -4
4*4= 16

-4/16 is not bigger than -5/16

-1/8 is smaller than -5/16

Final answer: -11/12 is the only fraction bigger than -5/16

3 0
3 years ago
Read 2 more answers
A cable is 20 meters long. How long is the cable in decimeters?
Sunny_sXe [5.5K]
200 decimeters
explanation: there is 10 decimeters in a meter
so 10×20=200

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3 0
3 years ago
Read 2 more answers
1. Solve the system by substitution . 2x+y=-11 . 3x-4y=11 . . A. (3,5) . B. (-5,-3) . C. (-3,-5) . D. (5,3).
VMariaS [17]
<span>In the first equation, moving 2x over gives "y = -2x-11". Placing this into the second equation gives "3x - 4(-2x-11) = 11", or "3x+8x+44 = 11", which can be reduced to "11x= -33" or "x = -3". Replacing the "x" with -3 in the first equation gives "-6 + y = -11" or "y = -5". This gives a solution of (-3, -5), or answer C.</span>
5 0
3 years ago
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what if question is a passenger train travels at a speed of 72 km/h a man on the passenger train observes a goods train travelli
Nataly [62]

Answer: 35 m

Step-by-step explanation:

The problem is the same as:

a man is fix (not moving)  and the goods train is travelling at the speed of 54+72 = 126 (km/h)

Distance = 126 km/h* 8 s=126000 m/(3600 s) * 8 s=35 m

4 0
2 years ago
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