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NeTakaya
3 years ago
13

The normal distribution is sometimes called the bell curve because Alexander Graham Bell discovered it. true or false

Mathematics
2 answers:
maria [59]3 years ago
8 0
I think its false , he created the telephone
Olegator [25]3 years ago
6 0

Answer:

False

Step-by-step explanation:

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Could someone help me bc idkk how this works
dmitriy555 [2]

Answer:

the answer is 2.

Step-by-step explanation:

This is because the interest rate is if he had $1 in the account for a year you would add the 18% or in decimel form 0.0018 do that to the 15th to get 15 years and multiply that by 5000 because that was the ammount of money he put in so 5000(1*0.0018)15 or 0.0018^15*5000

5 0
3 years ago
A cubed-shaped box has its side lengths decreased by 3 cm, when this happens, the volume decreases by 1385cm^3. What is the side
mixer [17]

Answer:

Step-by-step explanation:

let side of cube=x cm

volume=x³ cm³

again side=(x-3) cm

volume=(x-3)³ cm³

x³-(x-3)³=1385

(a³-b³)=(a-b)(a²+ab+b²)

(x-x+3){x²+x(x-3)+(x-3)²}=1385

3(x^2+x²-3x+x²-6x+9)=1385

3(3x²-9x+9)=1385

9x²-27x+27=1385

9x²-27x+27-1385=0

9x²-27x-1358=0

x=\frac{27\pm\sqrt{(-27)^2-4*9*(-1358)} }{2*9} \\x=\frac{27\pm\sqrt{729+48888} }{18} \\or~x=\frac{27\pm\sqrt{49617} }{18} \\or~x=\frac{27\pm 222.749}{18} \\taking positive side only as negative sign gives negative length.\\or~x=\frac{27+222.749}{18} \\or~x\approx13.87

3 0
3 years ago
A regular polygon has an odd number of sides. Which statement is true about the lines of reflection for the polygon that will ma
UNO [17]
"The lines of reflection are parallel to the sides of the polygon" is the statement that is true about the lines of reflection for the polygon that will map the shape onto itself. The correct option among all the options that are given in the question is the third option or option "C". I hope that the answer has helped you.
4 0
3 years ago
A company has 50 employees all working in the same building.
balandron [24]
Yes it did because 90% of fifty is 45 (50 divided by 10 x 5) and the graph shows that 46 employees left the building within a minute
6 0
3 years ago
On a 4 1/2 hour trip Leslie drove 2/3 of the time for how many hours did Leslie drive
Greeley [361]

Answer:

3 hours

Step-by-step explanation:

4.5*(2/3)

= 3 hours

8 0
3 years ago
Read 2 more answers
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