2 years ago

Plz help it’s due tonight!!!

Mathematics

1 answer:

Nutka1998 [239]2 years ago

8 0

D. Is the ans
Please mark me as Brainliest

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(40 points to best answer) (help ASAP)

aleksandrvk [35]

Answer:

x=3.5

Step-by-step explanation:

We can use proportions to solve this problem. Put the side of one triangle over the same side of the other triangle.

6 4.2

------ = ----------

5 x

Using cross products

6x = 5*4.2

6x =21

Divide by 6

6x/6 = 21/6

x=3.5

5 0

3 years ago

Plz, Help me with this question plz!!!

vekshin1

I think it’s 2/8-4 hopefully that’s helps

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3 years ago

Hi i am Grace and i realllyyyyyy need help on this. If you could please help that would be great.

uranmaximum [27]

The probability of picking a black ball first is $\dfrac{4}{5}$ , because there are 4 black balls and 1 white ball which is 5 balls in total. After picking the first ball, 4 balls remain - 3 black and 1 white, so the probability of picking a white ball is $\dfrac{1}{4}$ .
So, the probability of picking a black ball first followed by a white ball is $\dfrac{4}{5}\cdot\dfrac{1}{4}=\dfrac{1}{5}$

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3 years ago

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4 years ago

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