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valina [46]
3 years ago
7

The lengths of songs on the radio are normally distributed with a mean length of 210 seconds, If 38.2% of all songs have lengths

between 194 and 226, then the stadard deviation of this distribution is
Mathematics
1 answer:
gladu [14]3 years ago
8 0
 i think the answer is 16 seconds                                                        
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HELP ASAP WILL MARK BRAINLY
vodomira [7]

Answer:

\frac{61}{99}

Step-by-step explanation:

let x = 0.616161 (etc.)

make a second equation because you multiply by 100:

100x = 61.616161 (etc.)

subtract from each other

100x = 61.616161

     x =  0.616161

you get

99x = 61

solve for x

\frac{61}{99}

5 0
3 years ago
Diegos uncle sells computers. In addition to his wages, he gets paid 20% of the amount he sells
Ivahew [28]

Answer:

Answer:

Diego's uncle earned $600 because he told $3000 worth of computers.

Step-by-step explanation:

100% divided by 20% = 5

$600 x 5 = $3000

I hope this helps!

Step-by-step explanation:

4 0
2 years ago
-6 + -4y + -11y + 16y = -10<br> I need the answer A.S.A.P
Alja [10]

Answer:

y = -4

Step-by-step explanation:

Step  1  :

Solving a Single Variable Equation :

1.1      Solve  :    y+4 = 0

Subtract  4  from both sides of the equation :

                     y = -4

One solution was found :

                  y = -4

Processing ends successfully

plz mark me as brainliest :)

4 0
3 years ago
Read 2 more answers
Simplify (3-6i) (-5+ i)
Tanya [424]

Answer:

Simplifed using FOIL: -15+30t+(3-6t)i

Simplifed using distributive property: 15+30t+(3-6t)i

Step-by-step explanation:

5 0
3 years ago
3/4x = 1/5. X=__<br><br> A. 3 3/4<br><br> B. 11/20<br><br> C. 4/15<br><br> D. 3/20
gizmo_the_mogwai [7]

Answer:

C

Step-by-step explanation:

transposition

3x/4=1/5

xc=yc

15x/20×20=4/20×20

15x=4

x=4/15

4 0
1 year ago
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