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satela [25.4K]
3 years ago
6

An express elevator starts on the 5th floor and descends 8 floors. Which equation shows the correct computations for finding the

elevator’s stop?
Mathematics
2 answers:
alexdok [17]3 years ago
8 0
The answer is 5 + –8 = –3
tester [92]3 years ago
5 0

Answer:

The expression to find the elevator's stop = 5 + (-8)

The elevator stops at the floor -3.

Step-by-step explanation:

An elevator starts on the 5th floor.

It descends 8 floors = Moving down 8 floor = -8

So, the expression to find the elevator's stop = 5 + (-8)

It is -3

So the elevator stops at -3.

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Bob can mow 3 lawns in 5 hours. How long would it take it to mow 9 lawns?
olga2289 [7]

Answer:

15 hours

Step-by-step explanation:

9 lawns is 3 times as much as 3 lawns

it will take 3 times as long

3 * 5 hours = 15 hours

3 0
3 years ago
Carly buys a gold ring priced at $273.00 if the sale tax is 10 % , how much will carly pay
Damm [24]

Hello!

<h2>Answer:</h2>

Carla will pay $300.30 for the gold ring.

<h2>Explanation:</h2>

Sales tax is added on to the total cost of the item. We need to figure out how much tax is on the ring.

To do that, we must calculate 10% (or 0.10) of $273.00.

273 × 0.10 = 27.3

Now, add the tax to the cost of the ring.

273 + 27.3 = 300.3

3 0
3 years ago
Read 2 more answers
Tommy has 5 jars of marbles each jar is 2/3
tatyana61 [14]

Answer:

7.5

Step-by-step explanation: First divided 5 divided by 2/3 and then you will get 7.5 can I get my brainllest

8 0
2 years ago
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Three potential employees took an aptitude test. Each person took a different version of the test. The scores are reported below
BARSIC [14]

Answer:

Due to the higher Z-score, Demetria should be offered the job.

Step-by-step explanation:

Z-score:

In a set with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

In this question:

Whichever applicant had grade with the highest z-score should be offered the job.

Demetria got a score of 85.1; this version has a mean of 61.1 and a standard deviation of 12.

For Demetria, we have X = 85.1, \mu = 61.1, \sigma = 12. So

Z = \frac{X - \mu}{\sigma}

Z = \frac{85.1 - 61.1}{12}

Z = 2

Vincent got a score of 299.2; this version has a mean of 264 and a standard deviation of 22.

For Vincent, we have X = 299.2, \mu = 264, \sigma = 22.

Z = \frac{X - \mu}{\sigma}

Z = \frac{299.2 - 264}{22}

Z = 1.6

Tobias got a score of 7.26; this version has a mean of 7.1 and a standard deviation of 0.4.

For Tobias, we have X = 7.26, \mu = 7.1, \sigma = 0.4.

Z = \frac{X - \mu}{\sigma}

Z = \frac{7.26 - 7.1}{0.4}

Z = 0.4

Due to the higher Z-score, Demetria should be offered the job.

3 0
3 years ago
A snow globe with a radius of 2 cm. Find the volume of the globe.
sp2606 [1]
The approximate volume is 33.5103217
The exact volume is 32/3cm 
so the answers would be 32/3 or 33.49
3 0
3 years ago
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