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Paraphin [41]
3 years ago
15

Solve the following equation- p-4=(-9)+p

Mathematics
1 answer:
Mashcka [7]3 years ago
3 0
Simplifying p + -4 = (-9) + p
Reorder the terms: -4 + p = (-9) + p -4 + p = -9 + p
Add '-1p' to each side of the equation. -4 + p + -1p = -9 + p + -1p
Combine like terms: p + -1p = 0 -4 + 0 = -9 + p + -1p -4 = -9 + p + -1p
Combine like terms: p + -1p = 0 -4 = -9 + 0 -4 = -9
Solving -4 = -9
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A taste test asks people from Texas and California which pasta they prefer,
melamori03 [73]

Answer:

Yes, they are independent because P(Texas) ≈ 0.45 and P(Texas/brand A) ≈ 0.45.

Step-by-step explanation:

We are given that a taste test asks people from Texas and California which pasta they prefer,  brand A or brand B. The table is given in the question.

A person is randomly selected from those tested.

And we have find that are being from Texas and preferring brand A independent events or not.

Firstly, we know that these two events will be independent when;

               P(Texas) = P(Texas/brand A)

Now, P(Texas) =  \frac{\text{Number of people from Texas}}{\text{Total number of people}}

                        =  \frac{125}{275}  ≈ 0.45

Also,  P(Texas/brand A)  =  \frac{P(Texas \bigcap Brand A)}{P(Brand A)}

                                        =  \frac{\text{Number of people from Texas and preferring brand A}}{\text{Number of people preferring brand A}}

                                        =  \frac{80}{176}  ≈ 0.45

Therefore, being from Texas and preferring brand A are independent events because P(Texas) ≈ 0.45 and P(Texas/brand A) ≈ 0.45.        

6 0
2 years ago
Please will give brainliest!!!!!!!!!!!!!!!!!!!!
inessss [21]

Answer:

I would say 0 but i wouldnt trust me im so srry Im trying to answer as many as I can if its wrong, report me im sorry

Step-by-step explanation:

5 0
3 years ago
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viva [34]

The answer is 116631.6 if rounded it is 116632

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what is the approximate volume of a sphere? use 3.14 to approximate pi and round your answer to the nearest hundredth if necessa
Strike441 [17]
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A line with a slope of 2 passes through the points (0,4) and (-6,v). What is the value of v?
krok68 [10]

To solve this problem, we should create an equation using the given information.  To do this, we should calculate the slope between the two points as if they were regular points, giving us:

change in y/change in x = (v-4)/(-6-0) = (v-4)/(-6)

Since we know that the slope is 2, we can set our calculated value for the slope of the line for the equation (v-4)/(-6) equal to 2, as shown below:

(v-4)/(-6) = 2

To solve this equation, we should multiply both sides of the equation by -6 to get rid of the denominator on the left side of the equation.

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Next, we should add 4 to both sides of the equation to get the variable v alone on the left side of the equation, as shown below:

v = -8

Therefore, v =-8 is your answer.

Hope this helps!

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