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Rudik [331]
3 years ago
14

7h – 5(3h – 8) = –72

Mathematics
2 answers:
Serga [27]3 years ago
4 0

7h-5(3h-8)=-72

7h-15h+40=-72      /-40

-8h=-112    /:(-8)

h=14


Y_Kistochka [10]3 years ago
4 0
7h - 5(3h - 8) = -72 \\ 7h - 15h +40 = -72 \\ -8h=-72-40 \\ 8h=112 \\ h= \frac{112}{8} =14
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The solution set for the last equation represents the set of all days when the towns have the same average high temperature.

  • The hotness of matter or radiation is expressed by the physical quantity known as temperature. The average air temperature for a specific time period, often a day, a month, or a year, as measured by a thermometer that has been properly exposed.
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5 0
1 year ago
Please help me with this ​
zzz [600]

Answer: Z'(-7;8)

suppose the coordinates of Z' is Z'(x,y)

we have:

\left \{ {{x=8.cos90-7.sin90=-7} \atop {y=8.sin90+7.cos90=8}} \right.

=> Z'(-7;8)

Step-by-step explanation:

3 0
3 years ago
A proportion is shown. x36=1512 What is the value of x?
Fudgin [204]


42 is the right answer


3 0
3 years ago
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Hope this helped


6 0
3 years ago
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