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uranmaximum [27]
3 years ago
5

The mean of 19 numbers is 1600. If 2000 is added in the number. Find the new mean​

Mathematics
1 answer:
Temka [501]3 years ago
7 0

Answer:

Here's your answer .

hope it helps you

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Help me with factor trees pls it’s timed <br> There is a photo if u click
oksano4ka [1.4K]

Answer:

                        28

                  4             7

           2             2

here it is, hope it helps :)

3 0
2 years ago
How many 3 letter codes are possible using a-j without repeats?
Dennis_Churaev [7]
There are 10 letters in the set {a, b, c, d, e, f, g, h, i, j} which is the pool of letters to choose from when making these three letter codes.

We have 10 choices for slot 1
Then 9 choices for slot 2. This is because we can't reuse the choice for slot 1
Then 8 choices for slot 3

Overall, there are 10*9*8 = 90*8 = 720 different permutations

Answer: 720

Note: you can use the nPr permutation formula with n = 10 and r = 3 to get the same answer
5 0
3 years ago
Can someone pls help me?
nignag [31]

Step-by-step explanation:

ofc , so that is that and the other is that

4 0
3 years ago
Points N and R both lie on circle O. Line segment RQ is tangent to the circle at point R.
4vir4ik [10]

Answer:

15.0

Step-by-step explanation:

Let's start by looking at triangle ORQ. Since RQ is tangent to the circle, we know that angle ∠ORQ is 90°. Then, since OR is equivalent to the radius of 5, RQ is 5√3, and side OQ is clearly larger than RQ, we can identify this as a 90-60-30 degree triangle. This makes side OQ have a length of 10, and angle ∠QOR, opposite of the second largest side, has the second largest angle of 60°, leaving ∠OQR with an angle of 30°.

The formula for the chord length is 2r*sin(c/2), with c being the angle between the two points on the circle (in this case, ∠QOR=∠NOR).. Our radius is 5, so the length of chord NR is 2*5*sin(60/2)=5, making our answer 5(ON)+5(OR)+5(RN)

4 0
3 years ago
Read 2 more answers
PLS HELP!!! Find the value of x in each figure and place the correct value into the box. Assume that the lines are parallel.
torisob [31]

Answer:

3x – 2 = 76 (Alternate Interior Angles)

3x = 76 + 2

3x = 78

x= 26°.

x + 2 = 40 (Alternate Interior angles).

x = 40 - 2

x= 38

6 0
3 years ago
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