The temperature increased 3 degrees per hour for 10 hours. How many degrees did it

Mathematics

2 answers:

mart [117]3 years ago

8 0

Answer:

Step-by-step explanation:

You can do 3×10 directly, or you can solve it like this to avoid error

Hour Degree

1 +3

2 +6

3 +9

4 +12

5 +15

6 +18

7 +21

8 +24

9 +27

10 +30

Brainliest please

balandron [24]3 years ago

3 0

Answer:

Unless there is more information to this question, 3 degrees per hour, for 10 hours, after the 10th hour it will have risen 3*10 degrees, so 30 degrees

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A truck driver starts driving his truck at 2:00 and drives for 45 minutes at 45 miles per hour. 3. at what time will he have tra

tamaranim1 [39]

If you travel at a constant speed, you follow this formula:

$s = vt$

where s is the space traveled, v is the speed and t is the time passed. Knowing the speed and the desired space, we can solve the equation for the time:

$t = \dfrac{s}{v}$

Plug your values:

$t = \dfrac{30}{45} = \dfrac{2}{3}$

And two-thirds of an hour are 40 minutes.

To convert his speed in miles per minutes, you only need to use that one hour is composed of 60 minutes:

$\dfrac{45 \text{ miles}}{1\text{ hour}} = \dfrac{45 \text{ miles}}{60\text{ minutes}} = \dfrac{3 \text{ miles}}{4 \text{ minutes}} = 0.75$ miles per minute