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igomit [66]
3 years ago
9

I give you 5 stars please help

Mathematics
2 answers:
vfiekz [6]3 years ago
7 0

Answer:

C....................

anzhelika [568]3 years ago
5 0

Answer:

(C) x=4

Step-by-step explanation:

A line will be parallel to the y-axis if It’s x never changes.

In A, x is always being -y, so that’s going to change all the time.

In B, x is always becoming y, so that is changing too.

In C, x is always being 4, so this never changes.

In D, x is always 4 times y, so this changes.

Hope this helped!

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Evaluate the trigonometric funtion of the angle theta​
jeka57 [31]
The last side would be 10
8 0
3 years ago
Determine the number of ways she can arrange her daily schedule.
natita [175]

Answer:

This can be found by using the permutations and combinations formuals.

Combinations being the C equation and Permutations being the P equation.

P(n,r)=\frac{6!}{(6-6)!}=720

Explanation:

A permutation is used for the list of data (where the order of the data matters) and the combination is used for a group of data (where the order of data doesn't matter).

3 0
2 years ago
What is the total number of possible 4-letter arrangements of the letters m-a-t-h if each letter is used exactly once in each ar
MariettaO [177]

9514 1404 393

Answer:

  24

Step-by-step explanation:

The number of permutations of 4 items is 4! = 24.

  math, maht, mtah, mtha, mhat, mhta,

  amth, amht, atmh, athm, ahmt, ahtm,

  tmah, tmha, tamh, tahm, thma, tham,

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7 0
3 years ago
Least common factor of 15 and 20
zavuch27 [327]

Answer: Lcm=60

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6 0
3 years ago
Consider two identical iron nails: one nail is heated to 95 °c, the other is cooled to 15 °c. the two nails are placed in a coff
Angelina_Jolie [31]
The heat released or absorbed by a substance is calculated through the equation,
     H = mcpdT

where H is teh heat,
   m is the mass,
  Cp is the specific heat, and 
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In this item, since both nails are identical, m and cp for both nails are equal such that the equation can be expressed as,
    mcp(95 - x) = mcp(x - 15)

where x is the final temperature. Solving for the value of x from the equation derived above will give us a final answer of 55 degrees C. 

Answer: 55°


3 0
3 years ago
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