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stealth61 [152]
1 year ago
9

11/2 as mixed numbers? PLEASEE help

Mathematics
2 answers:
ra1l [238]1 year ago
8 0

Answer:   5  1/2

Step-by-step explanation:

love history [14]1 year ago
8 0

Answer:

Step-by-step explanation:

5 1/2

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I really need help !!!
Marta_Voda [28]

Answer:

heyy sorry i dont really know what is the 'standard deviation' but as for the mean you go to add all the numebers together and divide them by the amount of numbers there are (7 in this scenario)

Step-by-step explanation:

21 + 29.5 + 38 + 46.5 + 55 + 63.5 + 72 = 325.5

then you divide 325.5 by the number of numbers present in the question

325.5 / 7 = 46.5

hope it helped :)

3 0
3 years ago
A student finds the slop of the line between (4, 3) and (-2, -2). She writes -2–4/-2–3. What mistake did she make?
TiliK225 [7]
Her mistake is that she did the change in x over the change in y. It should be the change in y over the change in x.  So:  -2-3/-2-4
7 0
3 years ago
Read 2 more answers
In Ellen's math class, there are 2 boys for every 3 girls. If there are 21 girls in the class, how many boys are in the class?​
Makovka662 [10]

Answer: 14 boys

Step-by-step explanation:

ratio 2:3

7 divided by 21 = 3, so 7 times 2 equals 14

3 0
3 years ago
Read 2 more answers
If you vertically stretch the absolute value parent function, f(x) = [xl, by a
fgiga [73]

Answer:

g(x) = 5|x|

Step-by-step explanation:

Given

f(x) = |x|

b =5 --- vertically stretch

Required

The new function

The rule for vertical stretch is:

g(x) = bf(x)

So, we have:

g(x) = 5 * |x|

g(x) = 5|x|

4 0
3 years ago
A manufacturer of bolts has a​ quality-control policy that requires it to destroy any bolts that are more than 2 standard deviat
n200080 [17]

bolts of length more than 13+0.2 , and less than 13-0.2 will be destroyed

= 13.20 cm and 12.80 cm

<u>Step-by-step explanation:</u>

Here we have , A manufacturer of bolts has a​ quality-control policy that requires it to destroy any bolts that are more than 2 standard deviations from the mean. The​ quality-control engineer knows that the bolts coming off the assembly line have mean length of 13 cm with a standard deviation of 0.10 cm. We need to find For what lengths will a bolt be​ destroyed .Let's find out:

A manufacturer of bolts has a quality control policy that requires it destroy any bolts that are more than 2 standard deviations from the mean.

mean length= 13 cm

standard deviation= 0.10 cm

2 standard deviation from mean= 13 \pm (2(0.10))

Therefore, bolts of length more than 13+0.2 , and less than 13-0.2 will be destroyed

= 13.20 cm and 12.80 cm

6 0
3 years ago
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