Mathematics, 21.05.2021 01:50 moncho6222

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Answer from: offensiveneedle

9514 1404 393

159 cm² (see comment)

Step-by-step explanation:

The area of the central rectangle is ...

A = LW = (18 cm)(8 cm) = 144 cm² . . . rectangle area

The area of the two triangles is ...

A = 2(1/2bh) = bh = (6 cm)(2.5 cm) = 15 cm² (each triangle is 7.5 cm²)

So, the total area of the net shown is ...

144 cm² +15 cm² = 159 cm² . . . prism surface area

Additional comment

Yet another poorly edited geometry problem. The equilateral triangle will have a height closer to 5.2 cm than 2.5 cm. Apparently, somebody transposed the figures. If the correct number is used, the single-triangle area is 15.6 cm² and the total area is 175.2 cm².

Which set of answers is "correct" will depend on whether the answer key matches the intended problem, or the problem actually shown.

Answer from: Quest

"it's not the heat, it's the humidity". that's a partly valid phrase you may have heard in the summer, but it's actually both. the heat index, also known as the apparent temperature, is what the temperature feels like to the human body when relative humidity is combined with the air temperature. this has important considerations for the human body's comfort. when the body gets too hot, it begins to perspire or sweat to cool itself off. if the perspiration is not able to evaporate, the body cannot regulate its temperature. evaporation is a cooling process. when perspiration is evaporated off the body, it effectively reduces the body's temperature. when the atmospheric moisture content (i.e. relative humidity) is high, the rate of perspiration from the body decreases. in other words, the human body feels warmer in humid conditions. the opposite is true when the relative humidity decreases because the rate of perspiration increases. the body actually feels cooler in arid conditions. there is direct relationship between the air temperature and relative humidity and the heat index, meaning as the air temperature and relative humidity increase (decrease), the heat index increases (decreases).

step-by-step explanation:

75% of the temperatures are below what value? how do you know? 75% of the temperatures are above w

Answer from: Quest

Ive seen this before! the answer is b

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