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Scilla [17]
3 years ago
15

Solving for y in this problem.

Mathematics
2 answers:
lisov135 [29]3 years ago
7 0

Answer:

y = 5x-2

Step-by-step explanation:

5x - y = 2

Subtract 5x from each side

5x - y -5x = 2 -5x

-y = -5x+2

Multiply each side by -1

y = 5x-2

IceJOKER [234]3 years ago
5 0

Answer:

y=-2+5x

Step-by-step explanation:

5x-y=2\\\\5x-5x-y=2-5x\\\\-y=2-5x\\\\\frac{-y=2-5x}{-1}\\\\ \boxed{y=-2+5x}

Hope this helps.

Extra note: Another correct answer would be y=5x-2

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3 years ago
A simple random sample of size n=14 is obtained from a population with μ=64 and σ=19.
madam [21]

Answer:

a) A. The population must be normally distributed

b) P(X < 68.2) = 0.7967

c) P(X  ≥  65.6) = 0.3745

Step-by-step explanation:

a) The population is normally distributed having a mean (\mu_x) = 64  and a standard deviation (\sigma_x) = \frac{19}{\sqrt{14} }

b) P(X < 68.2)

First me need to calculate the z score (z). This is given by the equation:

z=\frac{x-\mu_x}{\sigma_x} but μ=64 and σ=19 and n=14,  \mu_x=\mu=64 and \sigma_x=\frac{ \sigma}{\sqrt{n} }=\frac{19}{\sqrt{14} }

Therefore: z=\frac{68.2-64}{\frac{19}{\sqrt{14} } }=0.83

From z table, P(X < 68.2) = P(z < 0.83) = 0.7967

P(X < 68.2) = 0.7967

c) P(X  ≥  65.6)

First me need to calculate the z score (z). This is given by the equation:

z=\frac{x-\mu_x}{\sigma_x}

Therefore: z=\frac{65.6-64}{\frac{19}{\sqrt{14} } }=0.32

From z table,  P(X  ≥  65.6) =  P(z  ≥  0.32) = 1 -  P(z  <  0.32) = 1 - 0.6255 = 0.3745

P(X  ≥  65.6) = 0.3745

P(X < 68.2) = 0.7967

5 0
3 years ago
Nick gets out of school at 2:25 pm he has a 15min ride home on the bus then goes on a 30 min bike ride then spends 55 min doing
klasskru [66]
Your answer to the question would be 4:05.
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2 years ago
Fraction that is equivalent to but different from 4/13​
dem82 [27]

Answer:

8/26

Step-by-step explanation:

All you have to do is multiply the numerator and denominator with the same number. For example, I did 2. 4x2=8, and 2x13=26.

4 0
3 years ago
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17/34 = .50

3 0
3 years ago
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