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ira [324]
2 years ago
5

The law of reflection states that when a ray of light reflects off a surface, the

Mathematics
1 answer:
ivolga24 [154]2 years ago
5 0
Number 1 : A
Number 2: D
Number 3:B
Number 4:C
Number 5:C
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13, 5, 4, 9, 7, 14, 4 The deviations are _____.
fenix001 [56]

Answer:

B."5, -3, -4, 1, -1, 6, -4"

Step-by-step explanation:

We are given that

13,5,4,9,7,14,4

We have to find the deviation.

Mean=\frac{sum\;of\;data}{total\;number\;of\;data}

Using the formula

Mean,\mu=\frac{13+5+4+9+7+14+4}{7}

Mean,\mu=\frac{56}{7}=8

Deviation=x_i-\mu

         x_i-\mu

13          5

5           -3

4           - 4

9            1

7             -1

14            6

4            - 4

Hence, option  B is correct.

7 0
3 years ago
13 points so please help meee with a and b!
yawa3891 [41]

Answer:

(a)

$24.10,

$18.20,

$15.25,

$9.35,

$0.50,

(b)

b=30-2.95g

Step-by-step explanation:

4 0
2 years ago
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What is the solution set of the inequality?
jolli1 [7]

Answer:

In the pic

Step-by-step explanation:

If you have any questions about the way I solved it, don't hesitate to ask me in the comments below =)

5 0
3 years ago
Round each number to the nearest ten 24. 311. 107
astraxan [27]

Answer:

24-20   311-310     107-110

Step-by-step explanation:

3 0
3 years ago
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Coach kunal stacks all of the tennis balls in a square pyramid. The number of tennis balls, P(n), in n layers of the square pyra
stealth61 [152]

Answer:

Answer A. 30 I believe.

Step-by-step explanation:

4 0
3 years ago
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