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wolverine [178]
3 years ago
8

Solve for x. Show each step of the solution. 4.5(4 − x ) + 36 = 202 − 2.5(3x + 28)

Mathematics
1 answer:
Marrrta [24]3 years ago
6 0

Answer:

sgsrgrsdg

Step-by-step explanation:


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Can 4x-2y=12x+2y=8 be solved by adding one of the original equations to the other
nydimaria [60]

Answer:

No you can't add problems together, but you can use elimnation

Step-by-step explanation:

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IF IT IS 13.OO IN SOUTH AFRICA, WHAT TIME IS IT IN LONDON
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It would be 12:00 in London if its 13:00/1:00 in South Africa 
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pantera1 [17]

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8 0
3 years ago
A newspaper article states that 90% of drivers in Iowa wear their seatbelt. Suppose we are interested in estimating the proporti
konstantin123 [22]

Answer:

The sample size is  n  = 3457

Step-by-step explanation:

From the we are told that

  The population proportion is  p =  0.90

  The margin of error is  E =  0.01  

From the question we are told the confidence level is  95% , hence the level of significance is    

      \alpha = (100 - 95 ) \%

=>   \alpha = 0.05

Generally the sample size is mathematically represented as

       n  =[  \frac{ Z_{\frac{\alpha }{2} }  }{E} ]^2 * p(1-p)

=>  n  =[  \frac{ 1.96  }{0.01} ]^2 * 0.90(1-0.90)

=>   n  = 3457

8 0
3 years ago
HURRY WILL GIVE BRANLIEST!!!!!!!
Ilia_Sergeevich [38]

Answer:

√17

Step-by-step explanation:

An irrational number is a number that cannot be expressed as a ratio of two integers. Or in other words, an irrational number can't be expressed as a fraction. You really cant divide one integer by another integer to get √17, so that makes it an irrational number.

8 0
2 years ago
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