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tigry1 [53]
3 years ago
8

Please help me right away! will give brainliest

Mathematics
1 answer:
Anon25 [30]3 years ago
4 0

The table represents a greater unit rate of change.

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The temperature went from -12°F to 18°F. How much did the temperature change
vlada-n [284]

Answer:

18 - (-12)

Step-by-step explanation:

Final temp. - Initial temp. = the change in temperature

By -12, we're indicating that is below zero (which is obvious) meaning that it is not in the "normal" scale nor in the imaginary scale of numbers. So, we can operate the following...

18 - (-12) = 30

So the temperature changed by 30 values or the temperature increased by 30 values, because the number is positive.

6 0
3 years ago
The waiter makes $10 per hour plus $65 in tips. He wants to earn AT LEAST $150. How many hours should he work?
Maksim231197 [3]
150 - 65 = 85. 85 divided by 10 is 8.5 hours.
5 0
2 years ago
Read 2 more answers
Lizards can eat 45 ants per minute. How long would it take to eat 1,080 ants?
dsp73

Answer: 24 minutes!

Step-by-step explanation: As mentioned, it can eat 45 ants per minute, How long would it take to eat 1,080 ants?

It's simple, just divide 1080 by 45 and when you divide it, the answer is 24!

4 0
3 years ago
Please help pls pls pls pls it’s due soon
BARSIC [14]

Answer:

the answer is 67.5

Step-by-step explanation:

look at the photo

4 0
2 years ago
College freshmen took a psychology exam. If the mean is 80, the SD is 10, and the scores have normal distribution, what percent
gayaneshka [121]

Answer:

  (a)  2%

Step-by-step explanation:

A score of 60 is 2 standard deviations below the mean (80 -2·10 = 60). The empirical rule tells you that 95% of the distribution is within 2 standard deviations of the mean. The remaining 5% is split evenly between those that are more than 2 SD above the mean and those that are more than 2 SD below the mean.

That tells you the percentage who failed is about 2.5%. The best answer choice is 2%.

_____

<em>Additional comment</em>

The empirical rule is a little bit sloppy, but it gets you in the ballpark. The actual percentage is closer to 2.275%.

6 0
3 years ago
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