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3 years ago

PLZ HELP PLZ PLZ PLZ

Mathematics

1 answer:

arsen [322]3 years ago

4 0

Answer:

WHAT WAS THE ANSWER PLS

Step-by-step explanation:

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How do I turn 3 1/5 into a decimal?

Tpy6a [65]

Answer:

3.2

Step-by-step explanation:

Step 1: Multiply the whole number by the denominator: 3 × 5 = 15.

Step 2: Add the product you got in Step 1 to the numerator: 15 + 1 = 16.

Step 3: Divide the sum from Step 2 by the denominator: 16 ÷ 5 = 3.2. That's it folks!

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4 years ago

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Can someone solve all the even problems in the picture?

liberstina [14]

Im pretty sure its 43

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3 years ago

If k= am + 3mx, the value of m in terms of a, k, and x can be expressed as

soldier1979 [14.2K]

K=am+3mx
K=m(a+3x)
m=K/(a+3x)

Answer: m=K/(a+3x)

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3 years ago

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Melanie spent four hours babysitting. She charges $16 up front and then an additional charge per hour. The total amount she earn

Sergeu [11.5K]

Answer:

She earns $4 x is representing the hours.

Step-by-step explanation:

16 is the charge up front.

I can infer that the additional charge is $4 because x represents the hours because we don't know how many hours she's going to spend there.

Hope this helps! <3

7 0

3 years ago

A superintendent of a school district conducted a survey to find out the level of job satisfaction among teachers. Out of 53 tea

frez [133]

Answer:

b. 1.15

Step-by-step explanation:

The z statistics is given by:

$Z = \frac{X - p}{s}$

In which X is the found proportion, p is the expected proportion, and s, which is the standard error is $s = \sqrt{\frac{p(1-p)}{n}}$

Out of 53 teachers who replied to the survey, 13 claim they are satisfied with their job.

This means that $X = \frac{13}{53} = 0.2453$

She find that the proportion of satisfied teachers nationally is 18.4%.

This means that $p = 0.184$

Standard error:

p = 0.184, n = 53.

$s = \sqrt{\frac{0.184*0.816}{53}} = 0.0532$

Z-statistic:

$Z = \frac{X - p}{s}$

$Z = \frac{0.2453 - 0.184}{0.0532}$

$Z = 1.15$

The correct answer is:

b. 1.15

5 0

4 years ago