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igor_vitrenko [27]
3 years ago
12

A desk is on sale for $380, which is 20% off the original price. Which equation can be used to determine the

Mathematics
1 answer:
Ket [755]3 years ago
7 0

Answer:

b

Step-by-step explanation:

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The tempeture of chicken soup is 192.7 degrees F. As it cools the tempeture of the soup decreases 2.3F per minute.
IrinaK [193]

Answer:

Step-by-step explanation:

To find the answer to Part A, we can turn this into a simple equation:

192.7 - (2.3 times 25) = <em>temperature, </em>the missing value.

So therefore, after 25 minutes pass, the temperature is equal to

192.7 - 57.5, or:

135.2 = Answer to Part A.

Now, onto Part B. We can use <u>another</u> equation!

192.7 - 2.3x = 100.7

Now, we must solve the given equation, first by taking 100.7 from each side:

192.7 - 2.3x = 100.7

-100.7             -100.7

We are now left with: 92 - 2.3x = 0 - we must now add 2.3x to 2.3x and 0, giving us this:

92 = 2.3x, which is equivalent to 920 = 23x, if that is what you prefer to solve.

To give us our missing value (x), we can divide 920 by 23, giving us: x = 40. This is the answer to Part B: 40 minutes.

I hope this was really helpful! Tell me if you need any more help.

6 0
2 years ago
2x&lt;15 solve for x
Nadusha1986 [10]

Answer:

x < 7.5

Step-by-step explanation:

Divide by 2 on both sides to find x

2x/2 < 15/2

x <15/2

x<7.5

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3 years ago
Help Please!! On the 1st and 2nd one. just the decent and independent variable and the equation please!
Reika [66]
Hi, did you attach the picture for it?
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What is 0.216 (26 recurring) as a fraction?
ankoles [38]
216/1000

Simplify it by 2

Give me a thanks if it helps!!!
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