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-Dominant- [34]
2 years ago
9

a model plane has a scale of 1 in:6yd if the model plane is 3in tall then how long is the real plane?

Mathematics
1 answer:
natima [27]2 years ago
6 0

First we have to simplify yards to inch. 3 Feet is in a yard so therefore 36 inches in a yard. Then you would use the scale to 1 to 6 and simplify to get the answer. I am a math teacher. My goal is to guide the students and not give them the answer. My job is to train you guys and learn. Not just to play Fortnite so yeah. Hope this helps.

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When the side of a square is decreased in length by 1 foot, its area is 8 ft2. The length of a side of the square is 1 + 2.
NemiM [27]

Answer:TRUE

Step-by-step explanation:

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3 years ago
What is the value of the cube below?<br><br> A. 9h<br> B. 3h<br> C. 6h<br> D. 9h^2
coldgirl [10]

Answer:

B: 3h

Step-by-step explanation:

Because every line on that cube or any cube will be the same length, width, and height.

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3 years ago
What is the exact value of arccos(−2√2) ?
Strike441 [17]

Answer:

See explanation

Step-by-step explanation:

The range of the cosine function is -1\le \cos x\le 1

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Assuming your question is rather arc \cos (-\frac{\sqrt{2}}{2})

Then arc \cos (-\frac{\sqrt{2}}{2})=\pi-arc \cos (\frac{\sqrt{2}}{2})  in the second quadrant.

arc \cos (-\frac{\sqrt{2}}{2})=\pi-\frac{\pi}{4}

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4 0
3 years ago
I have 4 times as many 10-cent stamps as 3-cent stamps. I have one less 2-cent stamp than 3 cent stamp. If I have b2-cent stamps
gogolik [260]

Answer:

Value of stamp collection = (45b + 43) cents

Step-by-step explanation:

What we have here is as follows;

if there are x 3-cent stamps, then there are 4x 10-cent stamps

So the number of 2-cent stamps is 1 less than 3 cent stamps and that will be x-1 2 cent stamps

Number of 2 cents stamps = b

This means that x-1 = b

Thus, x = b + 1

So the value of the stamp collection is as follows;

x 3 cents stamps = 3(b+ 1) = 3b + 3 cents

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value of the 2 cents stamp = 2b cents

Total value is thus;

2b + 40b + 40 + 3b + 3 = (45b + 43) cents

5 0
3 years ago
Read 2 more answers
The center of an ice rink is located at (0, 0) on a coordinate system measured in meters. Susan is skating along a path that can
Ganezh [65]
We are given:

the center of the rink at the origin.
A skating path (Susan): y = 6x - x^2 - 5
Starting point of Luke = (10, -21) 
Path (Luke) = quadratic eq'n with vertex at (8, -9)
Radius = 35 meters 


The solution that best interprets the path of the skaters is to substitute Luke's starting point to Susan's path or set-up a quadratic equation with vertex of (8,-9) and then equate to Susan's path to solve for their intersection. 
8 0
3 years ago
Read 2 more answers
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