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stealth61 [152]
3 years ago
14

One day, the temperature started at 18° at 6:00 a.m., then climbed 7° by noon, and then dropped 5° by midnight. What was the tem

perature at midnight?
10

20 

14 

4
Mathematics
1 answer:
lesantik [10]3 years ago
6 0
The answer would be 20<span>°
Hope I helped you!!</span>
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Prove that the difference between a two-digit number and the product of its digits will always be a 2 digit number.
slamgirl [31]

Step-by-step explanation:

Let the two-digit number is xy

<u>This can be written as:</u>

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<u>The difference between the number and product of its digits is:</u>

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<u>Rewrite this as below:</u>

d = 10x - xy + y - 10 + 10 =

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<u>We see that:</u>

  • 0 ≤ x - 1 ≤ 8 according to the condition given above
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<u>The value of d is then:</u>

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<h3>Proved</h3>
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2 years ago
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Naomi is 2/3 as tall as her father. If Naomi is 54 inches tall, how tall is her father.
AlekseyPX

Answer:

Her father is 81 inches tall.

Step-by-step explanation:

She is 2/3 as tall as her father so we divide her height by 2. 54/2=27 and then we multiply 27 by three to get 81 inches.

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3 years ago
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Radda [10]

Answer:

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Step-by-step explanation:

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