Twice a number and 5 is 15

Step-by-step explanation:

Are you just supposed to be writing the equation from that information?  Let's see what we get and maybe go on from there.

"Twice" means 2 multiplied by,

"a number" is our unknown x,

"and" means add,

"5" is...well, 5 ;)

"is" means equals, and

"15" is just 15.  Putting that together in an equation looks like this:

2x + 5 = 15.

Now, if you need to find the number, we can do that as well.  Subtract 5 from both sides to get

2x = 10 and then divide by 2 to get

x = 5

stop using this to cheat on home work

step-by-step explanation:

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"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: