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oee [108]
4 years ago
15

What is the unit rate if 12 pairs of socks sell for 5.79?

Mathematics
2 answers:
laila [671]4 years ago
7 0


12/5.79=1/x

12x=5.79(1)

12x=5.79

[divide 12 on both sides]

x=193/400(0.4825)

Iteru [2.4K]4 years ago
4 0
Each one is about 48 cents / .48
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3 years ago
A sample of 80 Valencia oranges showed a mean weight of 5.5 ounces with a standard deviation of 0.2 ounces. Obtain a 95% confide
BartSMP [9]

Answer:

[ 5.456, 5.544]

Step-by-step explanation:

Confidence interval can be defined as a range of values so defined that there is a specified probability that the value of a parameter lies within it.

The confidence interval of a statistical data can be written as.

x+/-zr/√n

Given that;

Mean x = 5.5 ounces

Standard deviation r = 0.2 ounces

Number of samples n = 80

Confidence interval = 95%

z value (at 95% confidence) = 1.96

Substituting the values we have;

5.5+/-1.96(0.2/√80)

5.5+/-1.96(0.022360679774)

5.5+/-0.043826932358

5.5+/-0.044

= ( 5.456, 5.544) ounces

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5 0
3 years ago
Solve the equation 3x -1 =20
mylen [45]
3x-1=20
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3 0
4 years ago
Read 2 more answers
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goblinko [34]

The coordinates of the vertices of the image if the scale factor of 0.5 with center of enlargement (2, -2) is (1, -1), (2, 0) and (3, 1)

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more variables and numbers.

Dilation is the increase or decrease in the size of a figure by a scale factor.

Let us assume that shape A have vertices at (0, 0), (2, 2) and (4, 4)

If the center of dilation is (a, b) with a scale factor of k, the new point is (k(x - a) + a, k(y - b) + b)

Hence the new point is at (1, -1), (2, 0) and (3, 1)

The coordinates of the vertices of the image if the scale factor of 0.5 with center of enlargement (2, -2) is (1, -1), (2, 0) and (3, 1)

Find out more on equation at: brainly.com/question/2972832

#SPJ1

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2 years ago
A function is shown. f(x)=x2+2x−35
andrew11 [14]
X=5


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