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Elodia [21]
3 years ago
10

Please help Mark BRAINLIEST awnser

Mathematics
1 answer:
Elza [17]3 years ago
8 0
The one that is currently highlighted is correct!
Use this site to just plug in the equations and check!
https://www.desmos.com/calculator
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20 POINTS!!!
Aleksandr [31]
Question 1
-1 / 2 = y - 1 
-1 / 2 + 1 = y
y = 1 / 2
 
Question 2
-3π + w = 2π
w = 2π + 3π
w = 5π

Question 3
1.2m = 0.6
m = 0.6 / 1.2
m = -0.2

Question 4                           
q + 2.7 + -0.9                             
q + 2.7 = 0.9                                
q = 0.9 - 2.7                              
q = -1.8<span>       </span>
6 0
3 years ago
Read 2 more answers
What is 10% of 20% of 30% of 100%
Taya2010 [7]

Answer:

is 0.006

Step-by-step explanation:

i search it on g oogle

5 0
3 years ago
What property was used to solve the equation?
stellarik [79]
What’s the equation
6 0
3 years ago
Read 2 more answers
A box contains 12 cereal bars. The empty box weighs
Vesna [10]

Answer:

1.4oz

Step-by-step explanation:

You subtract the weight of the box and the bars with the empty box. Then divide the answer you got from that, with 12 and you get your answer.

4 0
3 years ago
Alice wants to estimate the percentage of people who plan
finlep [7]

Answer:

"0.6450 < p < 0.723" is the right solution.

Step-by-step explanation:

Given:

n = 380

x = 260

Point estimate,

\hat p = \frac{x}{n}

  =\frac{260}{380}

  =0.6842

Critical value,

Zc = 1.645

Standard error will be:

S.E = \sqrt{\frac{0.6842(1-0.6842)}{380} }

      =0.0238

Margin of error will be:

E = Zc\times S.E

   =1.645\times 0.0238

   =0.0392

hence,

Confidence level will be:

= \hat p \pm E

= 0.6842 \pm 0.0392

= 0.6450 < p < 0.723

4 0
3 years ago
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