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svetlana [45]
3 years ago
11

PLEASE HELP THIS IS A LINEAR EQUATIONS

Mathematics
2 answers:
Stells [14]3 years ago
8 0
D or B I’m not sure
aalyn [17]3 years ago
7 0
Linear equations can be written different ways such the form y=mx+b, where m is the slope of the line and b is the y intercept.
We can substitute our given coordinates into the equations to find out which one is correct.
A:
y =  \frac{2}{3} x + 4
y =  (\frac{2}{3}  \times  - 3) + 4 \\   y= \frac{ - 6}{3}  + 4 \\   y= - 2 + 4 \\  y= 2
For this equation, when the value of x is - 3, y is 2. This means that A is the correct equation as it passes through the given coordinate (-3,2), and has a slope (m) of 2/3.
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4. A statistician working for the National Basketball Association supplies the television announcers with interesting statistics
Sonbull [250]

Answer: 0.038

Step-by-step explanation:

Given: Total games : n= 375

Number of games won by  the team that was winning the game at the end of the third quarter. = 300

The proportion (p) of the team that was winning the game at the end of the third quarter: p=\dfrac{300}{375}=0.8

Critical z-value for 90% confidence: z* = 1.645

Margin of error =z^*\sqrt{\dfrac{(1-p)p}{n}}

The margin of error in a 90% confidence interval estimate of p =1.645\sqrt{\dfrac{0.2\times0.8}{300}}\\= 1.645\times\sqrt{0.00053333}\\\\=1.645\times0.0231\\\\=0.0379995\approx$$0.038

Hence, the required margin of error = 0.038

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3 years ago
Help! Write two expression that have a sum of 3x-8
Nuetrik [128]

Answer:

(14 - x) + (4·x - 22) = 3·x - 8

6 0
3 years ago
Tree factories build the same widget. Th number of widgets produced in each factory are shown in the table.
masya89 [10]

Answer:

1 8 9 6

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Step-by-step explanation:

8 0
3 years ago
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3 years ago
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The ideal temperature of a freezer to store a particular brand of ice cream is 0°F, with a fluctuation of no more than 2°F. Whic
yan [13]

Answer:

| x - 0 | ≤ 2

Step-by-step explanation:

Given,

The ideal temperature of the freezer = 0° F,

Also, it can fluctuate by 2° F,

Thus, if x represents the temperature of the freezer,

Then, there can be two cases,

Case 1 : x > 0,

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By combining the inequalities,

We get,

| x - 0 | ≤ 2,

Which is the required inequality.

8 0
3 years ago
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