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vlada-n [284]
3 years ago
7

I need desperate help ​

Mathematics
2 answers:
Ad libitum [116K]3 years ago
8 0
It is option D. Try to change the variable in each equation with the x and see if it gives y. It isn’t possible for all of them except in D
Lady_Fox [76]3 years ago
3 0

Answer:

D

Step-by-step explanation:

y equals 1. x equals 15. 15 over 15 is 1.

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A driver runs over a nail, puncturing the tire without causing a leak. The position of the nail in the tire, with relation to th
Elina [12.6K]

Answer: period

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Okay, so what is 1 + 1 = ? Whoever answers it in the past 24 hours gets 5 stars!∩
vlada-n [284]
The answer is 2.

Hope this helps! :)
7 0
3 years ago
What single transformation was applied to quadrilateral A to get quadrilateral B?
Tems11 [23]

Answer: translation.

8 0
3 years ago
To find the product of 42.12 and 10³, move the decimal point in 42.12 __ places to the right because 10³ has __ zeros.
docker41 [41]

Answer:

Both answers are 3.

Step-by-step explanation:

10^3 = 10 * 10 * 10 = 1000

When you multiply 42.12 by 10^3, you are multiplying 42.12 by 1000.

When you multiply a number by a power of 10, such as 10, 100, 1000, etc., move the decimal point of the number to the right the same number of places as the number of zeros in the power of 10.

42.12 * 1000 = 42,120

5 0
3 years ago
Hypothesis testing on samples with fewer than 30 participants can be carried out by using the t-value for the corresponding leve
Eva8 [605]

Answer: true

Step-by-step explanation:

Z-tests are statistical calculations that can be used to compare the population mean to a sample mean The z-score is used to tellsbhow far in standard deviations a data point is from the mean of the data set. z-test compares a sample to a defined population and is typically used for dealing with problems relating to large samples (n > 30). Z-tests can also be used to test a hypothesis. Z-test is most useful when the standard deviation is known.

Like z-tests, t-tests are used to test a hypothesis, but a t-test asks whether a difference between the means of two groups is not likely to have occurred because of random chance. Usually, t-tests are used when dealing with problems with a small sample size (n < 30).

Both tests (z-tests and t-tests) are used in data with normal distribution (a sample data or population data that is evenly distributed around the mean).

3 0
3 years ago
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