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kolbaska11 [484]
2 years ago
11

Help now i will mark brainlest please right answer

Mathematics
2 answers:
Veseljchak [2.6K]2 years ago
7 0

where's the question ?

Leno4ka [110]2 years ago
4 0
There is nothing to answer :(
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PLEASEEEEEEEEEEEEEEEEEEEEEE Edgar rolls two six-sided number cubes. What is the probability that he rolls a 2 on
frutty [35]

Answer:

The probability that he rolls a sum of 9 given the sample space is . 9/36, or 1/4.

What is the probability?

Probability determines the chances that an event would happen. The probability the event occurs is 1 and the probability that the event does not occur is 0.

The probability that he rolls a sum of 9 = cubes that have a sum of 9 / total number of cubes

9/36 = 1/4

5 0
2 years ago
A ball is thrown into the air from an apartment balcony and falls to the ground. The height of the ball, h metres, t seconds aft
andriy [413]

Answer:

1+2\sqrt{2} seconds

Step-by-step explanation:

When the ball hits the ground, its height will obviously be 0. Therefore, you can set up the equation the following way:

0=-5t^2+10t+35 \\\\-5(t^2-2t-7)=0

Plugging this into the quadratic equation, you get:

t=\dfrac{2\pm\sqrt{4+28}}{2}= \\\\\dfrac{2\pm4\sqrt{2}}{2}= \\\\1\pm2\sqrt{2}

Since the time must be positive, it takes the ball 1+2\sqrt{2} seconds to hit the ground, or around 3.828. Hope this helps!

7 0
2 years ago
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Sladkaya [172]
I think it’s 22.... I just plugged five into the equation
7 0
3 years ago
Rectangle A is 10 times as long as rectangle B.
Vitek1552 [10]

Answer:

Option B and D

Step-by-step explanation:

Multiply 80 by 1/10

Divide 80 by 10

8 0
2 years ago
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Joann can run the first 50 meters of the 200-meter race in 6.3 seconds. If she can maintain the same speed for the whole rece, h
ioda

Answer:

Step-by-step explanation:

shes fastr

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3 years ago
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