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Fiesta28 [93]
3 years ago
14

Two airplanes have left the dallas airport. one airplane is 140 miles west of the airport and has an altitude of three miles, wh

ile the other airplane is 90 miles east of the airport and has an altitude of two miles. what is the distance between these two airplanes
Mathematics
1 answer:
matrenka [14]3 years ago
6 0
To start you would count 140 miles and 90 miles and add that together because they are at least that far apart because they are in different directions with the measurement starting at the airport.  So you have 230 miles.  Then you would know that plan A is 3 miles up and plane B is only 2 miles up, so there's one more mile between them.  So you can add that and say 231 miles.
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In speed skating, the distance of 10,000 meters consists of 25 laps. A skater sets the
xxMikexx [17]

Answer:

B) -0.4 seconds

Step-by-step explanation:

Laps: 25

Goal: -10 seconds to all 25 laps combined (10 seconds difference => -10)

divide by total laps

-10 /25 = -0.4s difference each lap

6 0
4 years ago
The lateral area of a cylinder is 100pi in^2. If its dimensions are reduced to one-fifth their original length, what would its n
Tamiku [17]

Answer:

4pi in^2

Step-by-step explanation:

Lateral surface area of a cylinder = 2πrh

π = pi

r = radius

h = height

Let me illustrate with an example

A cylinder has the following dimensions

r = radius = 20  

h = height  = 10

lateral area = 2 x π x 20 x 10 = 400π

If dimensions are reduced to one-fifth their original length, new dimensions are

r = radius = 20  x 1/5 = 4

h = height  = 10 x 1/5 = 2

New lateral area = 2 x 4 x 2 x π = 16π

change in lateral area = 400π / 16π = 25

If dimensions are reduced by 1/5, lateral area would reduce by 25

100 pi / 25 = 4

4 0
3 years ago
Next two terms 5, 3, 1.8, 1.08
Alenkinab [10]
Guessing geometric
so

hmm
5 times what=3
divide both sides by 5
what=3/5
what=0.6
each term is multiplied by 0.6

so
1.08 times 0.6=0.648
0.648*0.6=0.3888


the next 2 terms are 0.648 and 0.3888
5 0
3 years ago
The point, line, and pair of intersecting lines are special types of conic sections. true or false
Bumek [7]

Answer:

True

Step-by-step explanation:

In mathematics, a conic section (or just conic) is a curve obtained by intersecting a cone (more precisely, a right circular conical surface) with a plane. The point line and pair of intersecting lines are special types of conic sections.

4 0
3 years ago
Which property explains why these two expressions are equal?
ratelena [41]
Re-written, I believe the equation is:

(W+23)+5=W+(23+5)

With this, the parenthesis have nothing multiplying into it, so we can drop the parenthesis to get:

W+23+5=W+23+5
Which is the same thing.

So I'd assume it is the Associative property, because you are combining the like terms of 23 and 5.

Hope this helps!
7 0
3 years ago
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