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2 years ago

Dylan's hiking club is planning to stay overnight at a camping lodge. Each large room can hold 15 hikers. There are 168 hikers.

Mathematics

2 answers:

ch4aika [34]2 years ago

6 0

Answer:

11.2 or just 11

Step-by-step explanation:

Okay, so, I apologize if this is an idiot answer, but if you take your 168 hikers and divide them by each room which can hold 15 hikers, you'll get 11.2. NOW MAYBE THE .2 OF THE HIKERS CAN SLEEP ON THE FLOOR I DON'T KNOW SORRY IF THIS IS A TERRIBLE ANSWER.

sukhopar [10]2 years ago

4 0

Answer:

you would need 12 rooms

Step-by-step explanation:

168/12=11.2 so you would have 11 full rooms and then a room for the leftover two

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Let T:R²->R² be a linear transformation ,and assume that T (1,2)=(-1,1) and T(1,-1)=(2,3)

zavuch27 [327]

Answer:

(-4,-1)

Step-by-step explanation:

We are given T(1,2)=(-1,1) and T(1,-1)=(2,3) and T is a linear transformation.

This implies for scalars a and b that

T(a(1,2)+b(-1,1))=aT(1,2)+bT(-1,1)

T((a,2a)+(-b,b))=a(-1,1)+b(2,3)

T((a-b,2a+b))=(-a,a)+(2b,3b)

T((a-b,2a+b))=(-a+2b,a+3b)

This means we should be able to solve the system below to find a and b for T(3,3):

a-b=3 and 2a+b=3

Add equations to eliminate b and solve for a:

3a=6

Divide 3 on both sides:

a=2

If a-b=3 and a=2, then b=-1.

Plug in a=2, b=-1:

T((a-b,2a+b))=(-a+2b,a+3b)

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2 years ago

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Answer:

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2 years ago

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