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ohaa [14]
3 years ago
10

What is the probability that it will be blue?

Mathematics
1 answer:
anastassius [24]3 years ago
4 0
Since its out of 15 marbles all together and all you need to find is the probability of 3 blue marbles you would have to divide 3 by 15. The outcome would be 0.2 or in your case... B. - 0.20
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Pls help 25 points and brainliest.
puteri [66]

This is an equation that calculates potential energy and converts the value into its commercial unit.

<u>Step-by-step explanation:</u>

Step 1:

Given equation is 2 kg × 9.81 m/s² × 40 m. From the units, find the corresponding measurements. kg is the unit of mass (m), 9.81 m/s² is the acceleration due to gravity (g) and m is the unit of length or height (h).

This shows that this equation is to find potential energy. It is then converted into the commercial unit of energy (Joules).

⇒ Potential Energy = mgh = 2 kg × 9.81 m/s² × 40 m

                                            = 784.8 kg m²/s²

                                            = 784.8 N-m (Since unit of force, 1 N=kg m/s²)

                                            = 784.8 J (1 Newton-m = 1 Joule)

     

3 0
3 years ago
Read 2 more answers
I forgot how to do this problem can I get some help
Step2247 [10]
You would convert 17 1/4 to 17 4/16, and change 7/8 to 14/16. Then you would add those 2 numbers together to get 17 18/16 or simplified, 18 1/8.
8 0
3 years ago
Which expression is equivalent to 4 square root x10
Likurg_2 [28]
The answer is 40 you do 10 times 4 I hope it helped you you only need to multiply
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3 years ago
PLEASSSSSEEE HELP A GIRL OUT PLZZ​
eduard

Answer:

B. The two lines are neither parallel nor perpendicular.

Step-by-step explanation:

First, put both lines into the same format. In this example, we're going to use y=mx+b format.

x - 4y = -9

-4y = -x + -9

y = (-x + -9) / -4

y = (x+9)/-4

y = (-1/4)x + (-9/4)

y = 3x - 7

If two lines are parallel, they have the same slope. (ie 4 and 4)

If two lines are perpendicular, one line's slope is the negative reciprocal of the other. (ie 4 and -1/4)

Neither is true here.

6 0
2 years ago
Tia's teacher asked her to find the product of 8 and 207 in her head. Which of the following describes the best way for Tia to m
Alex
The correct answer is B
4 0
3 years ago
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