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iren [92.7K]
2 years ago
14

Help please!! -1/y^-4

Mathematics
2 answers:
iogann1982 [59]2 years ago
6 0

Answer:

− y ^4

Step-by-step explanation:

Move  y −^ 4

to the numerator using the negative exponent rule  

  1

b ^− n

= b^ n .

That is 1 OVER B to the -n power equals B to the n power.

Glad I was able to help!!

Step2247 [10]2 years ago
5 0

Answer:Move

y

−

4

to the numerator using the negative exponent rule

1

b

−

n

=

b

n

.

−

y

4

Step-by-step explanation:

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-3.8x - 5.9x = 223.1
katrin2010 [14]

Answer:

x=-23

Step-by-step explanation:

-3.8x-5.9x=223.1

-9.7x=223.1

x=223.1/-9.7

x=-23

5 0
2 years ago
Read 2 more answers
Leon wants to estimate the proportion of the seniors at his high school who like to watch football. He interviews a simple rando
cupoosta [38]

Answer:

Yes, the random conditions are met

Step-by-step explanation:

From the question, np^ = 32 and n(1 − p^) = 18.

Thus, we can say that:Yes, the random condition for finding confidence intervals is met because the values of np^ and n(1 − p^) are greater than 10.

Also, Yes, the random condition for finding confidence intervals is met because the sample size is greater than 30.

Confidence interval approach is valid if;

1) sample is a simple random sample

2) sample size is sufficiently large, which means that it includes at least 10 successes and 10 failures. In general a sample size of 30 is considered sufficient.

These two conditions are met by the sample described in the question.

So, Yes, the random conditions are met.

5 0
2 years ago
Annie made fruit punch for 12 people the punch contains sparkling water and 2/3 pint of fruit juice per person if there are 10 2
Furkat [3]
11 pints I believe. Good luck
7 0
2 years ago
If 27y is a multiple of 9 where y is a digit . What is the minimum value of Y.
stiv31 [10]
<h3>Answer:  0</h3>

Explanation:

The single digits are {0,1,2,3,4,5,6,7,8,9}

So naturally 0 is the first thing to test.

The number 270 is a multiple of 9 because 9*30 = 270. The digits of 270 add to 2+7+0 = 9 showing that it's a multiple of 9. Refer to the "divisibility by 9 rule".

The next possible value of y will be 9 units higher than y = 0, so we go for y = 9. Meaning that 279 is also a multiple of 9 (because 2+7+9 = 18 is a multiple of 9).

4 0
2 years ago
A certain drug is used to treat asthma. In a clinical trial of the drug, 21 of 250 treated subjects experienced headaches (based
lozanna [386]

Answer:

a) The test is left-tailed.

Step-by-step explanation:

a) Hypothesis testing is tagged two-tailled if the test checks for a claim in both directions (greater than and less than).

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This question is to check results from a test of the claim that less than 8% of treated subjects experienced headaches. It is evidently left tailed.

Hope this Helps!!!

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