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3 years ago

Solve y=1/4x+5 for x

1 answer:

6 0

Y = 1/4x + 5....multiply everything by 4 to get rid of the fraction
4y = x + 20...now subtract 20 from both sides
4y - 20 = x <==

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The weight of a cat is normally distributed with a mean of 9 pounds and a standard deviation of 2 pounds. Using the empirical ru

coldgirl [10]

If the value of the z-score is 1. Then the probability that a cat will weigh less than 11 pounds will be 0.84134.

<h3>What is the z-score?</h3>

The z-score is a statistical evaluation of a value's correlation to the mean of a collection of values, expressed in terms of standard deviation.

The z-score is given as

z = (x - μ) / σ

Where μ is the mean, σ is the standard deviation, and x is the sample.

The weight of a cat is normally distributed with a mean of 9 pounds and a standard deviation of 2 pounds.

Then the probability that a cat will weigh less than 11 pounds will be

The value of z-score will be

z = (11 – 9) / 2

z = 1

Then the probability will be

P(x < 11) = P(z < 1)

P(x < 11) = 0.84134

Thus, the probability that a cat will weigh less than 11 pounds will be 0.84134.

More about the z-score link is given below.

brainly.com/question/15016913

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4 0

1 year ago

(English to algebra) twice the difference of w less than five

denpristay [2]

i believe its 2(5-w)

5 0

3 years ago

Read 2 more answers

How to do this question plz answer me

Sati [7]

Answer:

$d = \frac{4 - 3c}{c + 1}$

Step-by-step explanation:

To make d the subject of formula, we need to rearrange the equation such that we arrive at d= _____.

$c = \frac{4 - d}{d + 3}$

Remove the fraction by multiplying (d +3) on both sides:

$c(d + 3) = 4 - d$

Expand:

$cd + 3c = 4 - d$

Bring all the d terms to one side and move the others to the other side of the equation:

$cd + d = 4 - 3c$

Factorise d out:

$d(c + 1) = 4 - 3c$

Divide by (c +1) on both sides:

$d = \frac{4 - 3c}{c + 1}$

7 0

3 years ago

What is the equation of the line, in general form, that passes through the point (1,1) and has a y-intercept of 2.

guajiro [1.7K]

Answer:

Step-by-step explanation:

The slope-intercept form of an equation of a line:

$y=mx+b$

m - slope

b - y-intercept.

Put the given y-intercept b = 2 and the coordinates of the point (1, 1) to the equation:

$1=1m+2$ subtract 2 from both sides

$-1=m\to m=-1$

The equation of a line:

$y=-1x+2\to y=-x+2$

The general form of an equation of a line:

$Ax+By+C=0$

Convert:

$y=-x+2$ add x to both sides

$x+y=2$ subtract 2 from both sides

$x+y-2=0$

4 0

2 years ago

6th GRADE, PLS HELP ME WITH THE IMAGEEEE

e-lub [12.9K]

Answer:

y=7x

Step-by-step explanation:

Take two points from the line and plug them into y2-y1/x2-x1. In this case, I chose (6,42) and (7,49). This will make the equation 49-42/7-6. This is equal to 7/1 or 7. Therefore, the equation is equal to y=7x.

If this helps please mark as brainliest

4 0

2 years ago

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