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Grace [21]
3 years ago
15

The standard deviation of the tap water data is 1.086. The standard deviation of the salt water data is 1.107. Which explains wh

y the standard deviation is the best measure of variability to use to compare the data?
Mathematics
2 answers:
Levart [38]3 years ago
7 0
It's A. Nearly Symmetrical. 
egoroff_w [7]3 years ago
3 0

Answer:The answer is A

Explanation: They Are nearly symmetrical

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A bag contains an equal number of blue, green, pink, and red balls. If a ball is chosen at random 200 times, with replacement,
jeyben [28]

Answer: 25%

Step-by-step explanation:

4 0
3 years ago
Answer correctly please !! Will mark brainliest !!!
SOVA2 [1]

Step-by-step explanation:

It is D I did it yesterday and got it right!!!

6 0
3 years ago
HELPPP!! WILL GIVE BRAINLIEST!!!Given the function f(x) = 8x^2-4x+7. Calculate the following values:
DaniilM [7]

Answer:

1: 47

2: 19

3: 7

4: 11

5: 31

Step-by-step explanation:

input the number next to F where x is. example: f(-2)= 8(-2)^2-4(-2)+7 and then solve using PEMDAS giving f(-2)=47 and so on.

8 0
2 years ago
Combine like terms.<br> (x+6)(x+6)
ycow [4]

Answer:

(x+6)(x+6)

(x+6)^2

Always remember this identity

(a+b)^2 = a^2 + b^2 + 2ab

So, Now take x=a , 6 =b

Substitute above values

x^2 + 36 +2(x)(6)

=x^2 +36 +12x

=x(x+12) +36

5 0
3 years ago
Read 2 more answers
Please help me solve this (ASAP)
joja [24]
Since complementary angles add to 90°, (4x - 1) and (5x + 19), also add to 90°.

Thus, lets form an equation:

90 = 5x + 19 + 4x - 1
72 = 9x
x = 9

Thus, the measure of angle B is 64°.
7 0
3 years ago
Read 2 more answers
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