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3 years ago

Need help with this problem

Mathematics

1 answer:

Ira Lisetskai [31]3 years ago

6 0

Answer:

Step-by-step explanation:

u will have to explain

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Find two irrational numbers and two rational numbers between 0.5 and 0.552.

seropon [69]

Answer:

Rational: 0.51 and 0.52

Irrational: sqrt(.26) and sqrt(.27)

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3 years ago

Joesphine scored 95, 84, and 87 on three math tests. She wants her average score for 5 tests to be at least 90.

attashe74 [19]

Answer:

The answer for part B is I think 92 and 92. And for part A she could get 97 and 97 as the test average would be 92.

Step-by-step explanation:

I kinda explained it in the answer yeah but I hope that helps.

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3 years ago

Which pair of rectangles is similar?<br><br>

MariettaO [177]

The answer is C. When multiplying the smaller rectangle by 2 on both sides, you will get the bigger rectangle’s measurements

5 0

3 years ago

Read 2 more answers

Geometry Helps please<br> (Only correct Answers only please) Thank you!

Elza [17]

Answer:

37.68 units³

Step-by-step explanation:

To calculate the volume of a cone, the formula is:

V = π x r² x ( h / 3 )

Simply input the corresponding numbers into the equation:

V = π x ( 2 )² x ( 9 / 3 )

V = π x 4 x ( 3 )

V = π x 12

V = 3.14 x 12

V = 37.68 units³

If we use 3.14 for pi, the answer comes out to 37.68 units³

6 0

3 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