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LenKa [72]
2 years ago
15

As the average daily temperature in New York City decreases, the number of persons who are observed wearing sweaters in the work

place increases. This is an example of a __________ correlation.
Mathematics
1 answer:
Alik [6]2 years ago
4 0

If the temperature decreasing in New York leads to the number of people wearing sweaters increasing, this is <u>Negative </u>correlation.

There are several types of correlation:

  • Positive correlation - An increase in one variable leads to an increase in another variable and vice versa
  • Negative correlation - An increase in one variable leads to a decrease in another variable and vice versa
  • Zero correlation - Variables don't change in relation to one another

In this scenario we notice that when temperatures decreased, people wearing sweaters increased. This is therefore negative correlation as the variables moved in opposite directions.

In conclusion, what was observed is negative correlation.

<em>Find out more at brainly.com/question/10099551.</em>

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When deriving the quadratic formula by completing the square, what expression can be added to both sides of the equation to crea
nignag [31]

The expression that would be added to both sides is (b/2a)^2

<h3>How to determine the expression?</h3>

The equation is given as:

x^2 + b/ax + __ = c/a + __

Take the coefficient of x

b/a

Divide by 2

b/2a

Square the expression

(b/2a)^2

Hence, the expression that would be added to both sides is (b/2a)^2

Read more about quadratic equation at:

brainly.com/question/10449635

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6 0
1 year ago
pablo will rent a car for the weekend. he can choose one of two plans. the first plan has an initial fee of $55.96 with addition
kow [346]

Answer:

200 miles

Step-by-step explanation:

First, set up the equations.

plan 1: initial fee of $55.96, $0.12 per mile

  • y = 0.12x + 55.96

plan 2: initial fee of $63.96, $0.08 per mile

  • y = 0.08x + 63.96

We want to know at what distance will the cost be the same. So, set the equations equal to each other.

0.12x + 55.96 = 0.08x + 63.96

Combine the variables.

0.04x + 55.96 = 63.96

Combine the constants.

0.04x = 8

Divide by 0.04 to isolate x.

x = 200 miles

Check by plugging x back into each equation.

y = 0.12(200) + 55.96

y = 24 + 55.96

y = $79.96

y = 0.08(200) + 63.96

y = 16 + 63.96

y = $79.96

You are correct!

8 0
3 years ago
One bucket of gravel has a mass of 7.05 KG. What is the mass of 20 buckets of gravel in kilograms?
schepotkina [342]

Answer:

D: 141 KG

Step-by-step explanation:

7.05 x 20 = 141

Just multiply the mass of the object by however many objects there are if they all weigh the same.

3 0
2 years ago
What would be the second step in solving the equation y−16=3y?
stiv31 [10]

Answer:

Divide both sides by 4

Step-by-step explanation:

Please give brainliest

3 0
2 years ago
Read 2 more answers
TrianglesABC and DEF are <br> Similar<br> Not similar
puteri [66]

Answer:

Similar

Step-by-step explanation:

We can say that the triangles are similar by looking at the angle measurements

Angle B = 35

Angle F = 55

Both angles A and D = 90 because these are right triangles

We can say the measure of angle E = 35 because the sum of angles in a triangle equal to 180

Same rule applies to angle C

4 0
2 years ago
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