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TiliK225 [7]
3 years ago
12

The mean of a normally distributed dataset is 12, and the standard deviation is 2. % of the data points lies between 8 and 16. N

extReset
Mathematics
1 answer:
quester [9]3 years ago
6 0
Appaently the answer is 95.4%


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Jacques needs to convert the function f(x) = x2 − 6x + 14 to vertex form, f(x) = (x − h)2 + k, in order to find the minimum.
Bond [772]

Answer:

C. 5

Step-by-step explanation:

4 0
3 years ago
Mr. Leto plans to save money to buy a carpet. If he saves $50 each week for 30 weeks, he will have saved the exact amount of mon
Lorico [155]

Answer:

Number of new weeks = 20 week

Step-by-step explanation:

Total money saves = $50 x 30

Total money saves = $1,500

Find:

Number of new week

Computation:

Total money saves = Number of money save per week x Number of new weeks

1,500 = 75 x Number of new weeks

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4 0
3 years ago
A 90-inch length of ribbon is to be cut into three pieces. The longest piece is to be 30 inches longer than the shortest piece,
Free_Kalibri [48]
Lets name the shortest piece a, the medium b and the longest c

Together they are 90inches
a + b + c = 90
The longest is 30 inches longer than the shortest
c = a + 30
The third piece is half the lenght of the longest
b =  \frac{c}{2}

So if you place c=a+30 in the other 2 equasions you get

a + b + (a + 30) = 90 = 2a + b + 30
And
b =  \frac{30 + a}{2}
Now if you put this 2 toghether u get
2a +  \frac{30 + a}{2}  + 30 = 90
Multyplied by 2
4a + 30 + a + 60 = 180
5a = 90
Meaning that a=18inches

Now that we have the lenght of a we put it in the previous equasion

b =  \frac{30 + 18}{2}
So b=48/2 which means b=24inches

And together they must be 90 so

18 + 24 + c = 90

C=48inches







6 0
3 years ago
Can somebody help me <br> -2(x+5)
Anika [276]

Answer: -2x - 10

Steps: -2(x+5)

Apply the distributive law [ a(b + c) = ab + ac ]:

a = -2,  b = x,  c = 5

-2x + (-2) × 5

Apply minus/plus rules: -2x - 2 × 5

Multiply the numbers: 2 × 5 = 10

-2x - 10

Plz mark brainliest:)

5 0
2 years ago
Please help! ill give brainliest&lt;3
harkovskaia [24]

Answer:

i cannot see

Step-by-step explanation:

7 0
2 years ago
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