2 years ago

at midnight the tempatire was -5°F. At noon the tempature was 24°F which expression represents the increase in tempature?

Mathematics

1 answer:

vova2212 [387]2 years ago

7 0

From -5 to 24 is an additional 29 F. I’m not sure what the options for the expressions are.

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There are 92 beds in a 40-room motel. Each rooms has 2 or 3 beds. How many rooms have 2 beds?

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$x-\ rooms\ with\ 2\ beds\\\\
y-\rooms\ with\ 3\ beds\\\\\\
x+y=40\ \ \ \ --->\ \ \ x=40-y\\
2x+3y=92\\\\
2(40-y)+3y=92\\\\
80-2y+3y=92\\\\
y+80=92\ \ \ | subtract\ 80\\\\
y=12\\\\x=40-12=28\\\\
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Step-by-step explanation:

$We\ know\ that,\\In\ a\ rectangle\ all\ diagonals\ are\ equal\ and\ bisect\ each\ other.\\Hence,\\In\ Rectangle\ ABCD,\\AE=EC\\Hence,\\Substituting\ the\ values\ we\ get:\\x+4=3x-12\\Hence,\\-2x=-16\\x=\frac{-16}{-2}=8\\Now,\\We\ also\ know\ that,\\ AC=DB\\Hence,\\\frac{AC}{2}=\frac{DB}{2} \\Hence,\\DE=EB=AE=EC\\Hence,\\Since\ AE=BE,\\BE=x+4\\We\ already\ know\ that\ x=8.\\Hence, BE=8+4=12$

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1 year ago

Artist 52 [7]

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52/79

Step-by-step explanation:

One costume = 156 (This is our numerator.)

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156/237

Find the GCF to simplify (sneak peek it's 3)

156/3 = 52

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D=7
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Read 2 more answers

at midnight the tempatire was -5°F. At noon the tempature was 24°F which expression represents the increase in tempature?​

at midnight the tempatire was -5°F. At noon the tempature was 24°F which expression represents the increase in tempature?