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ycow [4]
2 years ago
6

The value of y is directly proportional to the value of x. Given y = 12 when x = 36.

Mathematics
1 answer:
Ahat [919]2 years ago
5 0

Answer:

y = 20

Step-by-step explanation:

The problem states that y = 12 when x = 36. 36/12 is 3. This means that y is a third of what x is. This would mean that if x = 60, y would be a third of 60 which is 20 since 60/3 is 20.

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If 3/4 of the library books are fiction and 5/7 are paperback what fraction of the books are fiction and paperback
Bess [88]

Answer:

15/38

Step-by-step explanation:

assuming the fraction of paperback in the fiction category is also 5/7, the fraction of the books which are fiction and paperback would just be the 2 fractions multiplied together.

3 0
3 years ago
yo im timed please help!! at the top it says "car A is traveling east at a steady speed of 45 mph. after 2 hours it is 100 miles
mamaluj [8]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
Complete the table below to solve the equation 2.5x − 10.5 = 64(0.5x).1. Be careful when putting exponents into your calculator-
ololo11 [35]
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3 years ago
The table below represents the closing cost of ABC for the last 5 days. What is the r -value of the linear regression that fits
Gnoma [55]

Answer:

The correct option is D.

Step-by-step explanation:

The linear regression equation is in the form of

y=bx+a

Where,

b=\frac{n(\sum xy)-(\sum x)(\sum y)}{n(\sum x^2)-(\sum x)^2}

a=\frac{(\sum y)(\sum x^2)-(\sum x)(\sum xy)}{n(\sum x^2)-(\sum x)^2}

The formula of r is

r=\frac{n(\sum xy)-(\sum x)(\sum y)}{\sqrt{[n(\sum x^2)-(\sum x)^2][n(\sum y^2)-(\sum y)^2]}}

The values are

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Using above formula, we get

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Therefore option D is correct.

3 0
3 years ago
Read 2 more answers
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frosja888 [35]

Answer:

4/33

Step-by-step explanation:

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