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KIM [24]
2 years ago
10

− 1 4 ( − 8 x + 12 y

Mathematics
1 answer:
lawyer [7]2 years ago
8 0

Answer:

I am assuming the question is

-14(-8×12y)

112-168y

Step-by-step explanation:

you have to expand the brackets first.

then you can't do anything after expanding the brackets because they are not like terms

hope this was helpful

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A line with a slope of 0 contains the point (3,4) . The point -2,? is also on the line. What is the missing y-coordinate?
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Answer:

4

Step-by-step explanation:

If the slope is 0, the line is horizontal and the y-coordinate is 4 for all x values.

Thus the missing y-coordinate is 4.

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One of the questions Rasmussen Reports included on a 2018 survey of 2,500 likely voters asked if the country is headed in right
kap26 [50]

Answer:

Kindly check explanation

Step-by-step explanation:

Given the data:

553 - No

70 - Not Sure

384 - Yes

Total = (553 + 70 + 384) = 1007

Proportion who do think country is headed in the right direction :

P = yes / total = 384/1007 = 0.381

b.) Error margin at 95%

Margin of Error = Zcritical * √p(1-p)/n

1-p = 1 - 0.381 = 0.619

Zcritical at 95% = 1.96

Margin of error = 1.96 * √0.381(0.619)/1007

Margin of error = 0.030

C.)

95% confidence interval for heading in the right direction:

P ± margin of error

P ± 0.030

Lower boundary = 0.381 - 0.030 = 0.351

Upper boundary = 0.381 + 0.030 = 0.411

(0.351 ; 0.411)

D.)

Confidence interval for people who don't think :

P = 553 / 1007 = 0.549

Confidence interval = P ± margin of error

Error margin at 95%

Margin of Error = Zcritical * √p(1-p)/n

1-p = 1 - 0.549 = 0.451

Zcritical at 95% = 1.96

Margin of error = 1.96 * √0.549(0.451)/1007

Margin of error = 0.031

P ± margin of error

P ± 0.031

Lower boundary = 0.549 - 0.031 = 0.518

Upper boundary = 0.549 + 0.031 = 0.580

(0.518 ; 0.580)

E.)

The interval with smaller error margin is ; 0.030 (those who think country is headed in the right direction because sample proportion is farther from .5 / farther from 1)

6 0
3 years ago
Which problem is equivalent to 12/18
Olenka [21]

Answer:

B

Step-by-step explanation:

5 0
3 years ago
Please hurry. it's geometry.
Ainat [17]

That would be option A as the angles  and sides  ( the AS) have already been stated.

7 0
2 years ago
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