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Mila [183]
3 years ago
10

Unit 4: Linear Equations

Mathematics
1 answer:
Aleks [24]3 years ago
8 0
Do what the other person’s answer is :)
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On the assembly line it takes 2 ½ minutes to complete task one, 3 minutes 10 seconds to complete task two and 1 minute to comple
Rudiy27
2.3+3.1+1= 6.4

25÷6.4= 3.90625

3 tasks can be completed in 25 minutes.
6 0
3 years ago
3. The shutter speed ,S, of a camera varies inversely as the square of the aperture setting,f,. When f=8, S=125..
AlekseyPX
A) S = 2410
b) S = 2410÷4= 602.5
I hope you know
6 0
3 years ago
Whats 15-b=4b-5(5-3)
Gala2k [10]

15-b=4b-5(5-3)

Multiply the bracket by -5

(-5)(5)=-25

(-5)(-3)=15

15-b=4b-25+15

15-b=4b-10

Move 15 to the other side

Sign changes from +15 to -15

15-15-b=4b-10-15

-b=4b-25

Move 4b to the other side.

-b-4b=4b-4b-25

-b-4b=-25

-5b=-25

divide both sides by -5

-5b/-5=-25/-5

Answer: b=5

5 0
3 years ago
Which of the following statements is not true? a) The standard deviation of the sampling distribution of sample mean = σ/√n b) T
I am Lyosha [343]

Answer:

e) The mean of the sampling distribution of sample mean is always the same as that of X, the distribution from which the sample is taken.

Step-by-step explanation:

The central limit theorem states that

"Given a population with a finite mean μ and a finite non-zero variance σ2, the sampling distribution of the mean approaches a normal distribution with a mean of μ and a variance of σ2/N as N, the sample size, increases."

This means that as the sample size increases, the sample mean of the sampling distribution of means approaches the population mean.  This does not state that the sample mean will always be the same as the population mean.

6 0
3 years ago
What is the equation of this line?<br><br> A. y=3/2x<br> B. y=-3/2x<br> C. y=-2/3x<br> D. y=2/3x
liberstina [14]

Answer:

it got to be C

Step-by-step explanation:

don't get mad if it not please I'm just trying to help

8 0
2 years ago
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