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kobusy [5.1K]
3 years ago
14

The temperature at 3:00 PM was 35°F. The

Mathematics
2 answers:
11Alexandr11 [23.1K]3 years ago
8 0
-10 degrees Fahrenheit
stiv31 [10]3 years ago
5 0

Answer:

- 10 degrees Fahrenheit at 9:00 PM

Step-by-step explanation:

35 - 45 = -10

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1 (-2,2) Write the equation, in point-slope form, of the line that is perpendicular to the given line and passes through the poi
lozanna [386]

Answer:

y = -5x - 8

Step-by-step explanation:

Take the points (-5,-4) and (0,-3) plug them into this formula to get the slope.

\frac{y2 - y1 }{x2 - x1}

Now plug in your points

\frac{-3 - (-4)}{0 - (-5)} \\\\\frac{1}{5}

Since you're slope is 1/5 the slope of the perpendicular line is going to be the totally opposite -5 is the slope of the perpendicular line.

Now plug in -5 and the point (-2,2) into y = mx + b to get the y-intercept

2 = -5(-2) + b (b represents the y-intercept)

2 = 10 + b (subtract 10 from both sides)

-8 = b

The perpendicular line looks like this y = -5x - 8

Hope this helps ya! Keep smiling!

7 0
3 years ago
If c(x) = 4x – 2 and d(x) = x^2+ 5x, what is (c circle d) (x)?
Xelga [282]

Answer:

4x² + 20x - 2

Step-by-step explanation:

To evaluate (c ○ d)(x), substitute x = d(x) into c(x)

c(x² + 5x)

= 4(x² + 5x) - 2

= 4x² + 20x - 2

7 0
3 years ago
Tracy ran a lap around the school track in 74.2 seconds.Malcom ran a lap in 65.92 seconds. Estimate the difference in the times
Nataly_w [17]

Answer:

The difference would be 8.3 second

Step-by-step explanation:


5 0
4 years ago
Hi I'm sorry but could u help me
natulia [17]
3 point slope
1 slope intercept
2 standard
8 0
3 years ago
I need to know what equals y
inn [45]

Since a^2 - b^2 = 1, the value of y = 1 because x=1 and 1^2 - 1^2 = 0

5 0
3 years ago
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