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3 years ago

Make y the subject y-aw=2w-1

Mathematics

1 answer:

Fudgin [204]3 years ago

8 0

Answer:

y = 2w - 1 + aw

Step-by-step explanation:

Given

y - aw = 2w - 1 ( isolate y by adding aw to both sides )

y = aw - 1 + aw

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A box contains 15 resistors. twelve of them are labelled 50ω and the other three are labeled 100ω. what is the probability that

Igoryamba

Answer : P(second resistor is 100ω , given that the first resistor is 50ω) is given by

$\frac{1}{5}$

Explanation :

Since we have given that

Total number of resistors =15

Number of resistors labelled with 50ω = 12

Number of resistors labelled with 100ω =3

Let A: Event getting resistor with 50ω

B: Event getting resistor with 100ω

Since A and B are independent events .

So,

$P(A\cap B)=P(A).P(B)$

Now, According to question , we can get that

$P(A)= \frac{12}{15}=\frac{4}{5}\\\\P(B)=\frac{3}{15}=\frac{1}{5}$

So,

$P(A\cap B)=P(A).P(B)\\\\P(A\cap B)=\frac{4}{5}\times \frac{1}{5}\\\\P(A\cap B)=\frac{4}{25}$

So, by using the conditional probability , which state that

$P(B\mid A)=\frac{P(A\cap B)}{P(A)}$

$P(B\mid A)=\frac{\frac{4}{25}}{\frac{4}{5}}\\\\P(B\mid A)=\frac{5}{25}\\\\P(B\mid A)=\frac{1}{5}$

So, P(second resistor is 100ω , given that the first resistor is 50ω) is given by

$\frac{1}{5}$

4 0

3 years ago

Write as a repeated addition. Use fraction

Veronika [31]

Answer:

A) 2/3

B) 5/2

C)5/2

D) 5/6

E) 9/5

F) 49/6 (LOWEST TERM IT URSELF PLS)

6 0

3 years ago

If m∠D = 18°, and m∠C = 45°, what is mBC? 108° 63° 54° 125°

irga5000 [103]

Answer:

54 degrees

Step-by-step exp Mark Brainliest Pls

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4 years ago

Find the value of x if sin80 = Cos(90-x)

AlladinOne [14]

Answer: 80

Step-by-step explanation:

Sin x = cos (90-x)

Like sin 30 = cos (90-30) =cos 60

90-x=90-80

Then

X=80

Verify your solution by finding the sum of the angles of sin and cos, it will be 90

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3 years ago

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Given the number line, what ray does not contain CB?

nika2105 [10]

Answer:

maybe include a picture so we can at least see.

Step-by-step explanation:

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3 years ago