Is this correct? If not, what order should it be in? thanks!

Mathematics

1 answer:

yuradex [85]4 years ago

4 0

Yes ..................

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The temperature in some region of Alaska equals 15 F. Convert this temperature to Celsius.

sergij07 [2.7K]

The formula you need to use is C = 5/9•(F - 32)

So take 15 and subtract 32: 15-32 = -17
Then multiply that by 5/9: 5/9•(-17) ≈ -9.44

7 0

3 years ago

suppose you go to a concert and purchase 3 identical t-shirts and a hat. the hat cost $21 and you spend $60 in all how much does

Marianna [84]

Ok, first you subtract 21 from 60.
That gives you 39, so you then divide that by 3.
That gives you 13, so each t-shirt cost $13.
Hope this helps

3 0

4 years ago

Read 2 more answers

What's equivalent to 9/15

yan [13]

A fraction equivalent to 9/15 is 3/5

To find equivalent fractions, you have to find a a divisor that both the numerator and denominator has. Then you divide the numerator and denominator by that divisor.

Example: 9 and 15 are divisible by 3.
9 is the numerator.9 divided by 3 is 3. so the numerator of the equivalent fraction is now 3.
15 is the denominator. 15 divided by 3 is 5. the denominator is now five.

Hope this helps! :)

7 0

3 years ago

Read 2 more answers

State the Q1,Q2,Q3,range of 20,40,60,80 and interquartile range

yawa3891 [41]

Answer:

Range=highest - lowest

80-20=60

Similarly

Q1=N/4=15

Q2=60/2=30

Q3=3*60/4=45

Interquartile range=Q3-Q1=45-15=30

5 0

3 years ago

Suppose the line of best fit is being found for some data points that have an r-value of 0.793. If the standard deviation of the

alexandr1967 [171]

Answer: 0.393

Explanation: If the given quantities are r-value (or Pearson's coefficient) and the standard deviations of x and y coordinates, we'll use the following formula for slope:

$m = \frac{rs_y}{s_x} 

$

where:
m = slope of the best fit line
r = r-value = 0.793
$s_x$ = standard deviation of x-coordinates = <span>5.591
</span> $s_y$ = standard deviation of y-coordinates = 2.772

So, the slope is calculated as follows:

$m = \frac{rs_y}{s_x}
\\ = \frac{(0.793)(2.772)}{5.591}
\\ \boxed{m \approx 0.393}$

Hence, the slope in 3 decimal places is 0.393.

6 0

3 years ago