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Gwar [14]
3 years ago
6

A small passenger airplane has 9 rows of seats . The first 8 rows have 4 seats . The last row has 5 seats m. How many seats are

in the plane
Mathematics
1 answer:
mr_godi [17]3 years ago
8 0

Answer:

37 seats

Step-by-step explanation:

8 * 4 = 32 + 5 = 37.

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The lines shown below are perpendicular. If the green line has a slop of 2/5, what is the slope of the red line?
aivan3 [116]

The slope of the red line that is perpendicular to the green line is: -5/2.

<h3>What are the Slope Values of Perpendicular Lines?</h3>

When one line lies perpendicular to another line, the slope of one must be the negative reciprocal of the other line.

<h3>What is the Negative Reciprocal of a Number?</h3>

If given a number, i.e. a/b, the negative reciprocal of a/b would the opposite value of the reciprocal of a/b.

Reciprocal of a/b is b/a. Negative reciprocal of a/b would therefore be: -b/a.

Given that the slope of the green line is: 2/5. And it is perpendicular to the red line. The slope of the red line would be the negative reciprocal of 2/5.

Negative reciprocal of 2/5 is -5/2.

Therefore, the slope of the red line is: -5/2.

Learn more about slope of perpendicular lines on:

brainly.com/question/1362601

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5 0
1 year ago
Hi!
suter [353]

Answer:

1 median=60.3

2 missing number=38

Step-by-step explanation:

1 45+55+76+y+88+54/6

316+y/6=63.6

316+x381.6

x=381.6-316=65.6

2M4 =63

60-62+92+x/4=63

214+x=252

x=252-214

=38

7 0
3 years ago
Read 2 more answers
Which equation is in slop-intercept form?
frosja888 [35]

Step-by-step explanation:

Only D, y = 3x + 12 is in slope-intercept form.

6 0
2 years ago
Read 2 more answers
How many times does 21 go into 457 with a remainder
kvv77 [185]

Answer:

21 r16

Step-by-step explanation:

8 0
3 years ago
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A NASA mathematician used a system of equations to determine the point in space where a satellite crossed paths with a massive p
nikitadnepr [17]

Answer:

Option D.

3 equations with 3 variables

Step-by-step explanation:

The coordinates of a point in space must necessarily have 3 components. One to describe the distance on the x axis, another to describe the distance on the y axis to the point, and a third to describe the distance on the z axis.

If we have three variables, then 3 equations are needed to solve the system. With less than 3 equations it would be impossible to solver the system.

Therefore the correct answer is option D.

3 equations with 3 variables

8 0
3 years ago
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