3 years ago

The ratio of 9/5 is equal to

2 answers:

7 0

Una fracción Es Una división, 9/5 9 entre 5 es igual a 1.8 o igual a 1 4/5. la fracción 4/5 al dividirla da como resultado 0.8

Nutka1998 [239]3 years ago

6 0

The answer is 1 and 4/5. Just divide and put the remainder as the numerator and the numerator stays the same

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3 years ago

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Consider the following: A medical researcher wants to determine the effects of pH (a measure of alkalinity or acidity, with pure

natita [175]

Answer:

See below

Step-by-step explanation:

<h3>Continuation of the question</h3>

Data in the table:

PH 4 5 6 7 8 9 10 11

Bacteria 116 120 131 136 141 151 148 163

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<h3>Solution</h3>

See attached for scatter plot

We can see the chart is close to linear function. Let's build one based on data in the table

The line will be in the form of:

y = mx + b

If we use two points and get the equation

(4, 116) and (8, 141)

Finding the slope:

m = (141-116)/(8-4) = 25/4 = 6.25

Then, finding y-intercept:

116 = 6.25*4 + b
b = 116 - 25 = 91

So the line is:

y = 6.25x + 91

Note: This is approximate best fit graph and it is attached as well. Exact formula for the line is built by using different method and is very close to the one above