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umka2103 [35]
3 years ago
7

Rounding or compatible numbers to estimate de sum 222+203

Mathematics
1 answer:
yKpoI14uk [10]3 years ago
7 0
225 what are you in kindergarten use a calculator
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Adult tickets: $27 Child tickets: $16
VARVARA [1.3K]

Answer:

x= 1 y = 375

Step-by-step explanation:

27 = 1 adult

16 = 1 child

16 divided by 400 = 25

25 - 400 = 375

375 kids and 1 adult

<h3>I HOPE THIS HELPED IT WAS CONFUSING</h3>
6 0
2 years ago
X) 7.A.47
vodomira [7]

Answer:

You will gain $27

Step-by-step explanation:

Just multiply $63 times 0.42857142857

8 0
3 years ago
of the following, which is not true of r? The value r does not depend on the units of y and x, r is always between 0 and 1, r me
saveliy_v [14]

Answer:

  r is always between 0 and 1

Step-by-step explanation:

The untrue statement is ...

  r is always between 0 and 1

One way you can tell is that it is inconsistent with the true statement |r| ≤ 1.

_____

<em>Comment on correlation coefficient</em>

The correlation coefficient (r) is the ratio of the covariance of x and y to the product of the standard deviations of x and y. This formula is symmetrical in x and y, so it doesn't matter which data set you call x and which one you call y. Similarly, the units cancel, so r is a unitless number, and the units of x and y don't matter, either.

6 0
2 years ago
Please help me with this math question, It's worth 30 points for whoever want's to answer.
swat32

Answer:

hello I can help you in this

8 0
3 years ago
A certain number is added to four result is double​
Pavel [41]
4, 4+4 is 8 which is double of 4
3 0
2 years ago
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