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makkiz [27]
1 year ago
5

For a population with µ = 80 and σ = 20, the distribution of sample means based on n = 16 will have an expected value of _______

___
Mathematics
1 answer:
wlad13 [49]1 year ago
7 0

Answer:

calculate the number of atom in 3 mol helium

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She should use 36 points font size
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3 years ago
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Can someone answer this Algebra question asap? thanks
Pavel [41]

Answer:

y = - 24

Step-by-step explanation:

Given that y varies directly with x then the equation relating them is

y = kx ← k is the constant of variation

To find k use the condition y = 12 when x = - 3

k = \frac{y}{x} = \frac{12}{-3} = - 4

y = - 4x ← equation of variation

When x = 6, then

y = - 4 × 6 = - 24

7 0
2 years ago
What is 35x 1 ? OMG this is such a hard question!! first one to answer will get a brainliest!!!
Sonbull [250]

Answer:

its 35

Step-by-step explanation:

8 0
2 years ago
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1/5x + 4 =1/3x-8 <br> Can you show your work too? That would be great
Vikentia [17]

Answer:

90

Step-by-step explanation:

1/5x+4=1/3x-8

add 8 to both sides and subtract 1/5x from both sides

4+8=1/3x-1/5x

12=5/15x-3/15x

12=2/15x

divide both sides by 2/15

12÷2/15=x

when dividing by a fraction, invert and multiply

12*15/2=x

90=x

CHECK:

1/5(90)+4=1/3(90)-8

18+4=30-8

22=22

5 0
2 years ago
1.4t-0.4(t-3.1)=5.8 please help !!
Svetllana [295]
Okay so i cant just post what the answer is i have to type something.
but anyways this is the answer: t= 4.56
4 0
3 years ago
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