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steposvetlana [31]
3 years ago
9

A. 0 ≤ t ≤ 441 b. t ≤ 441 c. 0 ≤ t ≤ 42 d. t > 0

Mathematics
2 answers:
geniusboy [140]3 years ago
7 0

Answer:

490 is the answer

hope it helps you

Lera25 [3.4K]3 years ago
5 0

Answer:

a

Step-by-step explanation:

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The temperature started at −20 ∘F then rose by 12 ∘F. Write and then evaluate an expression for the current temperature.
Mashcka [7]

Answer:

-32°F

Step-by-step explanation:

current temperature = -20°F-12°F

= - 32°F

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3 years ago
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Answer:

\sqrt{325}

Step-by-step explanation:

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8 0
3 years ago
-2(-3x+5y)+3(-4+2y)?????????
Tatiana [17]

Regroup terms

-2(-3x + 5y) + 3(2y - 4)

Expand

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Collect like terms

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4 0
3 years ago
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Eric has $25 to purchase magazines and to pay for his lunch. Each
faust18 [17]

Answer:

B

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The maximum amount Eric can spend on magazines is $25 less the cost of lunch, $15.

The appropriate inequality sign would be less than since he cannot spend more than $25.

Also, the amount he can spend on magazines would be what is left after paying for lunch.

So the correct inequality is 4m - 15 < 25

8 0
3 years ago
At a school fair, students were challenged to hit one of the small congruent circles on the large rectangular board with a ball.
shtirl [24]

Answer:

~4.7%

Step-by-step explanation:

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Area of 1 small circle: A=πr2=π·32≈28.27433

28.27433*3=84.82299

84.82299/1820=0.04660603846

Therefore, about 4.7%

6 0
3 years ago
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