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jonny [76]
3 years ago
5

Elevator 1 moved up 10 feet from the ground level. Its position is labeled as +10. Elevator 2 moved down 5 feet from the ground

level. Its position is labeled as _____.
Mathematics
1 answer:
Tema [17]3 years ago
5 0

Answer:

Its position is labeled as -5

Step-by-step explanation:

For elevator 1.

Its position after moving 10 ft up is;

p1 = r + 10

r = reference position.

given that p1 = +10

+10 = r + 10

r = 10 - 10 = 0

The reference position (ground floor) is zero

Since the Elevator 2 moves downward from the reference position (ground floor), it moves in the negative direction.

Its position can be written as;

p2 = r - 5 = 0 - 5 (since r = 0)

p2 = -5

Its position is labeled as -5

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How do we figure this out
lisov135 [29]

Answer:

Pair 1: 10 cm and 2 cm. and the sum is 12 cm.

Pair 2: 20 cm and 4 cm. and the sum is 24 cm.

Step-by-step explanation:

Area of a rectangle is given by A = LW, where L is the length and W is the width of the rectangle.

Pair 1:

For the first rectangle W = 4 cm and A = 40 sq, cm

Then L = \frac{A}{W} = \frac{40}{4} = 10 cm.

For the second rectangle W = 4 cm and A = 8 sq, cm

Then L = \frac{A}{W} = \frac{8}{4} = 2 cm.

Therefore, the sum of two unknown lengths = 10 + 2 = 12 cm. (Answer)

Pair 2:

For the first rectangle W = 4 cm and A = 80 sq, cm

Then L = \frac{A}{W} = \frac{80}{4} = 20 cm.

For the second rectangle W = 4 cm and A = 16 sq, cm

Then L = \frac{A}{W} = \frac{16}{4} = 4 cm.

Therefore, the sum of two unknown lengths = 20 + 4 = 24 cm. (Answer)

8 0
2 years ago
A = 14.9 cm, b = 14.1 cm and C = 5.7 cm for the triangle shown below.
Kaylis [27]

Answer:

X is 22.5°

Step-by-step explanation:

» Let's assume our diagram is as above, from trigonometric ratio:

{ \tt{ \red{ \sin( \theta) =  \frac{opposite}{hypotenuse}  }}} \\

  • theta is X
  • opposite is a
  • hypotenuse is c

{ \tt{ \sin(x) =  \frac{a}{c}  }} \\  \\ { \tt{ \sin(x)  =  \frac{5.7}{14.9} }} \\  \\ { \tt{ \sin(x)  = 0.3826}} \\  \\ { \tt{x =  { \sin }^{ - 1}(0.3826) }} \\  \\ { \boxed{ \tt{x = 22.5 \degree}}}

8 0
2 years ago
Find sin A.12/13<br> B.1<br> C.13/12<br> D.13/5
andreyandreev [35.5K]

Answer:

A

Step-by-step explanation:

7 0
2 years ago
1){(-8,-10), (-2,0), (1,10), (4,0)}<br> Domain=<br> Range-<br> Function?
adoni [48]

Answer:

domain(-8. -2. 1 4

range( -10 0 10 0

and the the given exp is function

8 0
3 years ago
Consider U = {x|x is a real number}. A = {x|x ∈ U and x + 2 &gt; 10} B = {x|x ∈ U and 2x &gt; 10} Which statements are true? 5 ∉
-Dominant- [34]

x+2 > 10 solves to x > 8 after we subtract 2 from both sides

So set A is the set of real numbers that are larger than 8. The value 8 itself is not in set A. The same can be said about 5 as well.


Set B is the set of values that are larger than 5 since 2x > 10 turns into x > 5 after dividing both sides by 2. The value x = 5 is not in set B since x > 5 would turn into 5 > 5 which is false. The values x = 6, x = 8, and x = 9 are in set B.


----------------


Summarizing everything, we can say...

5 is not in set A. True

5 is in set B. False

6 is in set A. False

6 is not in set B. False

8 is not in set A. True

8 is in set B. True

9 is in set A. True

9 is not in set B. False


5 0
2 years ago
Read 2 more answers
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