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zepelin [54]
3 years ago
8

Solve for W. 7=LW W=

Mathematics
1 answer:
sladkih [1.3K]3 years ago
4 0

Answer:

this is the chan of formula from 7=LW to

w =7/L

because we divided both sides by L.

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You paid ..I’m broke so I can’t lol ..in my opinion it can be helpful sometimes because some of the questions don’t get answered or it’s someone just saying “I don’t know
7 0
3 years ago
(a) Find a 90% confidence interval for the population mean price (per 100 pounds) that farmers in this region get for their wate
Anon25 [30]

Answer:

The margin of error (E)  =0.49

Step-by-step explanation:

Given,

 mean \bar{x}=6.88

 standard deviation \sigma=1.90

 sample size n=41

90\% \quad \text{confidence interval}

Critical value =\frac{z_\alpha}{2}\quad \quad\quad[\because\;\alpha=1-\text{confidence interval}]  

                                                =1-0.90

                                        \Rightarrow \alpha=0.1

Critical value =\frac{z_{0.1}}{2}

                      =z_{0.05}

                      =1.645

The margin of error (E)  =\frac{z_\alpha}{2} \times\frac{\sigma}{\sqrt{n} }

                                       =1.645\times\frac{1.90}{\sqrt{41} }

                                       =0.49

Hence, The margin of error (E) =0.49

Complete question is attached in below.

                     

7 0
3 years ago
Follow the steps to finish solving the equation –3x + 18 = 7x.
marta [7]
-3x + 18 = 7x
3x + (-3x) + 18= 7x + 3x
18 = 10x

18 10x
— = —
10 10


1.8 = x
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3 years ago
What is the answer to thus problem z=y-x
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The only answers that are possible is z=y-x y=x+z or x=y-z
6 0
3 years ago
Read 2 more answers
Iplease need help will mark brainliest
STALIN [3.7K]

Answer:

6. xint=-7

    yint=-3

7. xint=-7

yint=-5

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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