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stiks02 [169]
3 years ago
14

PLEASE HELP ME -45= -2.5g

Mathematics
2 answers:
Rainbow [258]3 years ago
5 0

Answer:

g=18

Step-by-step explanation:

Isolate the variables by dividing each side by -2.5.

Elden [556K]3 years ago
3 0

Answer:

g=18

Step-by-step explanation:

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What is 20% off 59.00?
Kaylis [27]
Step 1. convert percent to decimal form -- 20%=0.20

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3 years ago
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The size of the left upper chamber of the heart is one measure of cardiovascular health. When the upper left chamber is enlarged
Ganezh [65]

Answer:

a) P [ X < 24 mm ] = 0,3015          or     P [ X < 24 mm ] =  30,15 %

b) P [ X > 32 mm ]  = 0,1251          or        P [ X > 32 mm ]  = 12,51 %

c) P [  25 < X < 30 ] = 0,4964      or     P [  25 < X < 30 ] = 49,64 %

d) z(s) = 0,84

Step-by-step explanation:

Normal Distribution    N (  μ₀  ;   σ )   is  N ( 26,5 ; 4,8 )

a) P [ X < 24 mm ] = ( X - μ₀ ) / σ

P [ X < 24 mm ] = (24 - 26,5)/ 4,8 = - 0,5208 ≈ - 0,52

P [ X < 24 mm ] = - 0,52  

And from z-table we find area for z score

P [ X < 24 mm ] = 0,3015          or     P [ X < 24 mm ] =  30,15 %

b)P [ X > 32 mm ]  =  1  - P [ X < 32 mm ]

P [ X < 32 mm ]  = ( 32 - 26,5 ) / 4,8

P [ X < 32 mm ]  = 5,5/4,8  =  1,1458 ≈ 1,15

P [ X < 32 mm ]  = 1,15

And from z-table  we get

P [ X < 32 mm ]  = 0,8749

Then:

P [ X > 32 mm ]  =  1  -  0,8749

P [ X > 32 mm ]  = 0,1251          or        P [ X > 32 mm ]  = 12,51 %

c) P [  25 < X < 30 ] = P [ X < 30 ] - P [ X < 25 ]

P [ X < 30 ]  = 30 - 26,5 / 4,8   =  0,73

From  z-table    P [ X < 30 ]  =  0,7673

P [ X < 25 ] = 25 - 26,5 / 4,8  = - 0,3125  ≈  - 0,31

From z-table  P [ X < 25 ] =  0,2709

Then

P [  25 < X < 30 ] =  0,7673 -  0,2709

P [  25 < X < 30 ] = 0,4964      or     P [  25 < X < 30 ] = 49,64 %

d) If  20 %

z- score for 20% is from z-table

z(s) = 0,84

6 0
3 years ago
Conor runs at a constant rate, it takes 34 minutes to run 4 miles . Write the linear equation in two variables that represents t
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Answer:

4x+y=34

Step-by-step explanation:

Linear equations can be written in 3 forms:

slope-intercept form

standard form

point-slope form

standard form's formula is ax+by=c,

now sub in 34 for c and 4 for a

4x+by=34

we can put in 1 for b since there is no other integers

4x+y=34

5 0
3 years ago
I think its A but im not sure lol
sergij07 [2.7K]

Answer:

A is correct

Step-by-step explanation:

:D

6 0
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andrezito [222]
The answer is b=-1 hopefully the s up so you can see my work and understand how I did it.

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