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Ksivusya [100]
2 years ago
10

Please find x and y x=y-4 and -2x+3y=6

Mathematics
1 answer:
laiz [17]2 years ago
3 0

Answer:

x=y-4 is x=y-4

y=2+ 2x/2

Step-by-step explanation:

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3 0
2 years ago
4 +y = 12. Substitute 8 for x.
Alexeev081 [22]

Answer:

where should I substitute 8 for x? if its like this 4(8)+y=12 than its y=-20

Step-by-step explanation:

8 0
3 years ago
99% of all confidence intervals with a 99% confidence level should contain the population parameter of interest. true or false
tester [92]

The statement that 99% of all confidence intervals with a 99% confidence level should contain the population parameter of interest is false.

A confidence interval (CI) is essentially a range of estimates for an unknown parameter in frequentist statistics. The most frequent confidence level is 95%, but other levels, such 90% or 99%, are infrequently used for generating confidence intervals.

The confidence level is a measurement of the proportion of long-term associated CIs that include the parameter's true value. This is closely related to the moment-based estimate approach.

In a straightforward illustration, when the population mean is the quantity that needs to be estimated, the sample mean is a straightforward estimate. The population variance can also be calculated using the sample variance. Using the sample mean and the true mean's probability.

Hence we can generally infer that the given statement is false.

To learn more about confidence intervals visit:

brainly.com/question/24131141

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6 0
1 year ago
Im so confused can someone help me please
hram777 [196]

Answer:

1. false

2. false

3. false

4. true

Step-by-step explanation:

a quadritilateral always has 4 sides, but it dpesnt HAVE to be a square

a parrellelogram can be any shap as long as its parrelel

a rhombus is always a square, becuase if you turn it around... VIOLA! you get a square.

5 0
2 years ago
VERY EASY
Nookie1986 [14]

Answer:

1. b+15=27

2. 4*X=36

3. y-9=12

4. k/7=21

Step-by-step explanation:

sum means addition and product means to multiply and difference means subtraction and divided means to divide :)

5 0
1 year ago
Read 2 more answers
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