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Anna [14]
3 years ago
5

Plz help last one plz plz plz plz

Mathematics
1 answer:
IgorC [24]3 years ago
8 0

Answer:

-225 feet

Step-by-step explanation:

since it's below sea level, it is negative. descend means go down, so subtract 83 from -245, you get -328. ascend means go up, so add 103 to -328. You get -225.

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Dave has 10 poker chips, 5 of which are red and the other 5 of which are white. Dave likes to stack his chips and flip them over
sergey [27]

Answer:

\frac{10!}{5!*5!}  -  \frac{5!}{3!*2!}  

Step-by-step explanation:

Given:

10 poker chips:

  • 5 red
  • 5 white

Let the stack has positions (1,2,3,4,5,6,7,8,9,10)

So we can find all possible outcomes of the stack is: \frac{10!}{5!*5!} =

and the possibility of a stack to be identical while flipping is: \frac{5!}{3!*2!}

So the different 10-chip stacks can Dave make if two stacks are not considered distinct:

\frac{10!}{5!*5!}  - \frac{5!}{3!*2!}  

7 0
3 years ago
Read 2 more answers
Pls help me
klio [65]

Step-by-step explanation:

a : < 1 and < 2

b : < 1 and < 3

the deffinitions!

7 0
3 years ago
A bird is sitting on a train A moving at a speed of 40 kmph. It sees another train B at a Distance of 200 ms with Speed of 60 km
Aloiza [94]
Solution:

Two trains are moving in opposite direction with Speed 40 kmph and 60 kmph. Make train B stationary and then take the Speed of train A relative to the train B. So relative Speed of train A = 40 + 60 = 100 kmph. Before it crashes into the stationary train B it has to travel a Distance of 200 m which it will do in (0.2/100 ) hours. During this duration, the average Speed of bird has been 10 kmph i.e. before the crash total Distance covered by the bird = 0.2 * 10/100 km = 20 meters.
Hope it helps
7 0
3 years ago
In the diagram below, AB is parallel to CD. What is the value of x?
Feliz [49]
The value of x is 150. I subtracted 180-30 to get 150.
5 0
4 years ago
Read 2 more answers
What is the name of a polygon that has four congruent sides and theses angle measures 60,120,60,120?
svetlana [45]

<u>Answer:</u>

The correct answer for this is: rhombus.

<u>Step-by-step explanation:</u>

The name of a polygon that has four congruent sides with the angles measuring 60°, 120°, 60° and 120° is rhombus.

According to the properties of a rhombus, the opposite angles are equal and opposite sides are parallel.

However, the adjacent angles of rhombus are supplementary which means that they add up to 180°.

For example:

60° + 120° = 180°

7 0
3 years ago
Read 2 more answers
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