Solve equation y=5x-4;y=5×+1

Mathematics

1 answer:

iVinArrow [24]3 years ago

3 0

Step-by-step explanation:

step 1. The correct question is "solve the system of equations."

step 2. when you graph these equations they are parallel since they have the same slope.

step 3. There is no solution to the system when the lines are parallel ( they dont cross).

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The distribution of the diameters of a particular variety of oranges is approximately normal with a standard deviation of 0.3 in

DerKrebs [107]

Answer:

$x = 0.132 + \mu$

is the required relation of the diameter of an orange at the 67th percentile compare with the mean diameter.

Step-by-step explanation:

We are given the following information in the question:

Standard Deviation, σ = 0.3 inch

We are given that the distribution of diameters is a bell shaped distribution that is a normal distribution.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

We have to find the value of x such that the probability is 0.67.

$P( X \leq x) = P( z \leq \displaystyle\frac{x - \mu}{0.3})=0.67$

Calculation the value from standard normal z table, we have,

$P( z \leq 0.440) = 0.67$

$\displaystyle\frac{x - \mu}{0.3} = 0.440\\x - \mu = 0.132\\ x = 0.132 + \mu$

which is the required relation of the diameter of an orange at the 67th percentile compare with the mean diameter.

4 0

4 years ago

Write the inequality 6 < 9b in words.

earnstyle [38]

Answer:

6 is less than 9 times b

Step-by-step explanation:

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3 years ago

Write the equation in slope intercept form with a slope of -3 and passes through (1,4)

vichka [17]

Y = mx + b, where m = slope, and b = y-intercept.

Since you are not given the y-intercept, you have to solve for it through the equation, y = -3x (which is the slope you are given) + b, and replace x and y with values given, which are (1,4)

y = -3x + b
4 = -3(1) + b
4 = -3 + b
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Then replace b in the first equation to get the answer
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Help please & thank you

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$(72 \times 4)$