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Umnica [9.8K]
3 years ago
8

PLEASE HELP ASAP!! WILL MARK BRAINLIEST

Mathematics
2 answers:
KATRIN_1 [288]3 years ago
8 0
The slope is mx+b so find two points in the graph and use y-rise/x-run 
kirill115 [55]3 years ago
6 0
The slope is mx+b so find two points in the graph and use y-
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Find the number of pairs (a,b) of integers such that<br> a+2/a+5=b/3
Viktor [21]

Answer:

  6

Step-by-step explanation:

The expression can be rearranged to ...

  b = 3 -9/(a+5)

In order for b to be an integer, (a+5) must be an integer divisor of 9. There are exactly 6 of those: ±1, ±3, ±9.

The attached table shows the values (a, b) = (x₁, f(x₁)).

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Which best explains whether a triangle with side lengths 2 in., 5in., and 4in. is an acute triangle?
Amiraneli [1.4K]
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Solve the problem.When exposed to ethylene gas, green bananas will ripen at an accelerated rate. The number of days for ripening
Alex Ar [27]

The table and the plotted data are in the attachment.

Answer and Step-by-step explanation: A line of best fit is the best approximation of the given data. It is used to show the relation of two variables and it can be determined, more accurately, by the Least Square Method.

To use the method, follow the steps:

1) Calculate the mean of the two variables:

X = \frac{\Sigma x_{i}}{n}

Y=\frac{\Sigma y_{i}}{n}

2) The Slope of the line is given by:

m=\frac{\Sigma (x_{i}-X)(y_{i}-Y)}{\Sigma (x_{i}-X)^{2}}

3) The y-intercept is found by the formula:

b=Y-mX

For the ripening of bananas, the least square method gives the line:

y = -0.142x + 5.56

The rate of change of a line equation is its slope, so

Rate of change = -0.14

The rate of change of ripening time with respect to exposure time is -0.14, which means the more expose the fruit is, the less time it needs to ripe.

Download pdf
7 0
3 years ago
Solve by graphing y&lt;7/3x + 5 and x&lt;-3
Molodets [167]

Slope : -7/3

Y-Intercept: 4

4 0
3 years ago
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