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Nesterboy [21]
4 years ago
9

Isabel is on a ride in an amusement park that Slidez the right or to the right and then it will rotate counterclockwise about it

s own center 60° every two seconds how many seconds pass before Isabel returns to her starting position
Mathematics
1 answer:
Irina18 [472]4 years ago
7 0
2 seconds. because of how the roatation
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irina [24]

It would be -\frac{4x}{3}.

8 0
4 years ago
A train travels from station A to C having distance of 285 miles in 6 hours. During the journey, it reaches intermediate station
Nesterboy [21]

Answer:

Distance between B and C = 3\times 55=165miles

Step-by-step explanation:

Let the time taken to reach from station A to B be x  hr

Let the time taken to reach from station B to C be y  hr

Given total time from station A to C be 6 hr

∴ x + y = 6

⇒ y = 6 - x → (1)

Also total distance given is 285 miles

As Distance=Speed\times Time

∴ distance travelled between station A and B

  =40\times xmiles

distance travelled between station B and station C

  =55\times ymiles

So, 40x + 55y = 285  

⇒ 40x + 55(6 -x) = 285     (From 1)

=> 40x + 330 - 55x = 285

=> -15x = 285 - 330

=> -15x = -45  ⇒ x=3

gives y = 6-3 = 3 hours


Distance between B and C = 3\times 55=165miles

5 0
3 years ago
2. In how many ways can you form 3-letter "words" from the letters of "Adelphi" so that the first and last letters are vowels? N
kondaur [170]

Answer:

The total number of ways are 30.

Step-by-step explanation:

Consider the provided information.

We need to write 3-letter "words" from the letters of "Adelphi" so that the first and last letters are vowels.

The number of letters in "Adelphi" = 7

The number of vowels are = 3

It is given that the first and last letters are vowels.

For first letter we have 3 choices, and for the last letter we have 2 choices as repetition is not allowed.

If we have selected first and last letter that means now we have 5 letters for the middle letter. (7-2=5)

So the number of possible choices for the 2nd letter is 5.

Hence, the total number of ways are: 3×5×2 = 30 ways

8 0
4 years ago
Graph a line through the point (-3, 2) with a slope of -2/5
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Answer: y= -2/5x + 2

Step-by-step explanation:

Y= Mx + b

M is the slope

B is the y intercept

The y intercept will be out on the y axis

The slope will be rise over run ( do you first then do to the right!)

5 0
3 years ago
Using the diagram below, what is the measure of angle 8?*
julsineya [31]

Answer:

D-124 degrees

Step-by-step explanation:

3 0
3 years ago
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