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3 years ago

12

Lillian is sanding on this ladder. Think of the ground as 0 on a number line. The steps of the ladder are the same distance apar

t.

2 answers:

Len [333]3 years ago

8 0

5 steps on the ladder she's on

Mumz [18]3 years ago

3 0

5/8
I need to write more to post this so yea

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You need to simplify

Elis [28]

Answer:

(Hope this helps can I pls have brainlist (crown) ☺️)

Step-by-step explanation:

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3 years ago

Consider an urn containing 8 white balls, 7 red balls and 5 black balls.

weqwewe [10]

Answer + Step-by-step explanation:

1) The probability of getting 2 white balls is equal to:

$=\frac{8}{20} \times \frac{7}{19}\\\\= 0.147368421053$

2) the probability of getting 2 white balls is equal to:

$=C^{2}_{5}\times (\frac{8}{20} \times \frac{7}{19}) \times (\frac{12}{18} \times \frac{11}{17} \times \frac{10}{16})\\=0.397316821465$

3) The probability of getting at least 72 white balls is:

$=C^{72}_{150}\times \left( \frac{8}{20} \right)^{72} \times \left( \frac{7}{20} \right)^{78} +C^{73}_{150}\times \left( \frac{8}{20} \right)^{73} \times \left( \frac{7}{20} \right)^{77} + \cdots +C^{149}_{150}\times \left( \frac{8}{20} \right)^{149} \times \left( \frac{7}{20} \right)^{1} +\left( \frac{8}{20} \right)^{150}$

$=\sum^{150}_{k=72} [C^{k}_{150}\times \left( \frac{8}{15} \right)^{k} \times \left( \frac{7}{15} \right)^{150-k}]$

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1 year ago

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Help? (i mark brainlist)

Annette [7]

The answer is D
Hope this helps :)

3 0

3 years ago

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If (42)p = 414, what is the value of p? (1 point) Question 5 options: 1) 7 2) 8 3) 12 4) 16

timama [110]

I didn’t get an answer that matches your answer choices, but here are mine:
exact form: p = 69/7
decimal form: p = 9.857142
mixed number form: p = 9 (6/7)

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3 years ago

X + -4 =11 marking brainliest show work too please

MArishka [77]

move the -4 to the other side

X = 11 + 4

X = 15

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3 years ago

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