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Firlakuza [10]
2 years ago
14

Which is the solution set of a for -3(-x a) 7<5 when x=-1 ?

Mathematics
1 answer:
masha68 [24]2 years ago
6 0

Answer: CAN I DO YOU PLS

Step-by-step explanation:

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5a-b for a is=6 and b=8
NemiM [27]
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a fraction in which the greatest common factor of the numerator and the denominator is 1 is written in
galina1969 [7]
A fraction? I don't understand since it is not multiple choice.
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3 years ago
(x + 6): x= 5:2 Work out the value of x.​
Dvinal [7]

Answer:

x is 4

Step-by-step explanation:

{ \bf{(x + 6) : x = 5 :2 }} \\  { \tt{ \frac{(x + 6)}{x}  =  \frac{5}{2} }} \\  \\ { \tt{5x = 2(x + 6)}} \\   { \tt{5x = 2x + 12}} \\ { \tt{3x = 12}} \\ { \tt{x = 4}}

5 0
2 years ago
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Suppose you want to estimate the proportion of traditional college students on your campus who own their own car. From research
Lapatulllka [165]

Answer:

2,655 students

Step-by-step explanation:

The z-score for a 99% confidence interval is z = 2.576

The standard error for a proportion p is:

SE = z*\sqrt{\frac{p*(1-p)}{n} }

For a proportion of p =0.20, in order to ensure a standard error of 0.02, the sample size 'n' must be:

0.02 = 2.576*\sqrt{\frac{0.2*(1-0.2)}{n}}\\n=2,654.31

Rounding up to the next whole student, the sample size needed is 2,655 students.

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3 years ago
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