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disa [49]
3 years ago
7

What is the difference between the temperatures at 10 a.m. and 3:30 p.m.? Indicate whether the change is an increase or decrease

.
Mathematics
1 answer:
dsp733 years ago
7 0

Answer:

Change in temperature = - 3.3 F

The temperature has decreased

Step-by-step explanation:

The complete question is attached below .

As given in the attached image

Temperature at 10 A.M = 1.2 degree Fahrenheit

Temperature at 3:30 P.M. = -2.1 degree Fahrenheit

Change in temperature

= Temperature at 3:30 p.m - Temperature at 10 a.m

= - 2.1 - 1.2

= - 3.3 F

The temperature has decreased

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Step-by-step explanation:

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Step-by-step explanation:

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3 years ago
Hey can you please help me posted picture of question
Debora [2.8K]
We can use quadratic formula to determine the roots of the given quadratic equation.

The quadratic formula is:

x= \frac{-b+- \sqrt{ b^{2} -4ac} }{2a}

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c = constant term = 15

Using the values, we get:
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4 0
3 years ago
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ivanzaharov [21]
To solve this, you’ll first need to solve for their slopes.

The slope for line Q is y2-y1/x2-x1 = -8-(-2)/-8-(-10) = -3

We know that the lines are perpendicular so the negative reciprocal of -3 is 1/3

The equation you get it y = 1/3x + b.

Now you will need to solve for b by substituting in the first ordered pair of line R.

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Once you solve for b, you should get 5/3 and y = 1/3x + 5/3

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A blank is a rectangular ​
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