3 years ago

Find the value of x such that l ⊥ m. A) 10.7 B) 16 C) 46 D) 48

1 answer:

6 0

B)16
add the two equations and equal it to 90 and solve to get 16

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Katen [24]

It would be: 28*15 / 100 = 420 / 100 = 4.2

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2 years ago

nirvana33 [79]

Answer: Its D

Step-by-step explanation:

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2 years ago

Brrunno [24]

3124 = 3000 + 100 + 20 + 4

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3 years ago

34kurt

Presumably, whatever is drawn from Urn I is independent of what is drawn from Urn II. This means

$P(\text{red from Urn 1 AND red from Urn 2})=P(\text{red from Urn 1})\cdot P(\text{red from Urn 2})$

We have

$P(\text{red from Urn 1})=\dfrac4{10}=\dfrac25$

$P(\text{red from Urn 1})=\dfrac7{15}$

so the probability of drawing red balls from both urns is $\dfrac25\cdot\dfrac7{15}=\dfrac{14}{75}$

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2 years ago

RSB [31]

Answer:

boys = 9 ( eighth grade ) + 1 ( seventh grade) = 10 boys

girls = 3 (eight grade) + 9 ( seventh grade) = 12

probability = 22÷ 2

= 1/11

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2 years ago