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photoshop1234 [79]
3 years ago
11

The temperature at noon is -4 degrees Fahrenheit. The temperature at 6:00pm is -12 degrees fahrenheit. what is the difference be

tween the noon and 6:00pm temperature.​
Mathematics
1 answer:
klio [65]3 years ago
6 0

Answer:

8 degrees difference

Step-by-step explanation:

Just subtract the two numbers given

-4--12

-4+12=8

(not -8 because it’s the difference between the NOON and the 6pm tempature)

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Train a is traveling at 30 mph faster than train b. If train a travels 350 miles in the same amount of time that train b travels
GalinKa [24]

Answer:

20 mph

Step-by-step explanation:

Let speed of Train a = Va mph

Let speed of Train b = Vb mph

Va = Vb + 30

Let time taken for Train a = Ta

Let time taken for Train b = Tb

time taken = distance travelled/speed

Ta = 350/Va = 350/(Vb+30)

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But they both travel in the same amount of time.

So, Ta = Tb

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Cross multiply

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4 0
3 years ago
Write an equation of the line that passes through (4,-1) and is parallel to the line -3x +y= 7
Gala2k [10]

Answer:

y = 3x -13

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Answer:

  (a)  h^-1(x) = (x+6)/6

Step-by-step explanation:

The inverse relation can be found by solving for y: x = h(y).

<h3>Solution</h3>

  x = h(y) . . . . . the inverse relation

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The inverse function is ...

  \boxed{h^{-1}(x)=\dfrac{x+6}{6}}

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