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slava [35]
3 years ago
10

What is the landing strip’s area ?

Mathematics
1 answer:
attashe74 [19]3 years ago
5 0

Answer:

D

Step-by-step explanation:

The perimeter P of a rectangle is calculated as

P = 2l + 2w ( l is the length and w the width ) , then

2l + 2(9) = 5364

2l + 18 = 5364 ( subtract 18 from both sides )

2l = 5346 ( divide both sides by 2 )

l = 2673

Then

A = lw = 2673 × 9 = 24057 m² → D

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vichka [17]
Hey there!

Let's go through all of our options.

A) It's defintely not curved; it's written in slope intercept form and is indeed a straight line.

B) Yes, the graph is a straight line. Although it's at an angle, it has no curves or flaws, and is completely straight.

C) The graph is not vertical. It has a y intercept and slope and therefore isn't. That's because it has a rate of change, and it crosses the y axis at some point depending on the slope, or rise over run. Vertical lines really don't have that.

D) Yes, the graph is a function. This is because it does not have two x values for one y, and does not fail the straight line test, which states that you can place a straight line anywhere on the graph and it can only go through one point.

E) This is false. If we put in -5 as our input, we add 1 and get -4, which is a negative output. Your output here depends on the input you put in, and the sign usually remains considering it's +1.

F) This graph does not pass through the origin. This is because the origin has a point at 0,0 and since it's x+1, it would be 0,1 instead because your output is adding one to that 0.

Hope this helps!

8 0
2 years ago
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(a) A square has a perimeter of 12 cm. What is the length of each side?
myrzilka [38]

Answer:

P = 4 c

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Step-by-step explanation:

Hope this helps.

7 0
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Evaluate ab - c. If a = 5, b = 3, and c = 4
irina1246 [14]
The answer is 11 The answer is 11 The answer is 11
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timurjin [86]

Answer:

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Step-by-step explanation:

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vampirchik [111]

Given:

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To find:

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Solution:

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\cos \theta=\dfrac{Base}{Hypotenuse}

Using this trigonometric ratio for the given triangle, we get

\cos A=\dfrac{AB}{AC}

\cos (60^\circ)=\dfrac{AB}{10}

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Therefore, the length of AB is 5 units.

7 0
3 years ago
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