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Strike441 [17]
3 years ago
11

Is (2,3),(-4,6),(8,6),(-2,3) a following function

Mathematics
1 answer:
aev [14]3 years ago
8 0

Answer:No

Step-by-step explanation:

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Which fraction has a repeating decimal as its decimal expansion?<br> 3/25 3/16 3/11 3/8
Nuetrik [128]

Answer:

C. 3/11

Step-by-step explanation:

If you divide 3/11, it's decimal will be: .272727272727... It is a repeating decimal and a irrational number .

The others are rational numbers and can be written out:

3/25 = .12

3/16 = .1875

3/8 = .375

5 0
3 years ago
Read 2 more answers
Write an algebraic expression that can get you the final price of an item that cost $x with a 8.5% tax and a 30% discount?
Drupady [299]

Answer:

X×0.085-(X÷0.30)

Step-by-step explanation:

I think that right its been a while since I did that stuff in school

6 0
2 years ago
if a piece of string which is 368cm long must be cut into 8 equal pieces how long will each piece be (answer in mm)​
Maksim231197 [3]
1cm= 10mm
So you do 368 divided by 80 which is 4.6mm
3 0
3 years ago
8 avocados cost $16.what is the cost of the one avocado
ivann1987 [24]

Divide 16 by 8.

16 ÷ 8 = 2.

So, one avocado costs $2.

8 0
3 years ago
Read 2 more answers
SAT reading and writing section scores of a random sample of twenty 11th-grade students in a certain high school are given below
kvasek [131]

Answer:

The value of test statistics is 25.

Step-by-step explanation:

We are given below the SAT reading and writing section scores of a random sample of twenty 11th-grade students in a certain high school;

380, 520, 480, 510, 560, 630, 670, 490, 500, 550, 400, 350, 440, 490, 620, 660, 700, 730, 740, 560

<em>Let </em>\sigma<em> = population standard of the reading and writing section SAT score of the students in this school</em>

So, Null Hypothesis, H_0 : \sigma \leq 100     {means that the reading and writing section SAT score of the students in this school is lesser than or equal to 100}

Alternate Hypothesis, H_A : \sigma<em> </em>> 100     {means that the reading and writing section SAT score of the students in this school is higher than 100}

The test statistics that would be used here is <u>One-sample Chi-square</u> test statistics;

                        T.S. =  \frac{(n-1)s^{2} }{\sigma^{2} }  ~ \chi^{2} __n_-_1

where, s^{2} = sample variance =  \frac{\sum (X-\bar X)^{2} }{n-1}  = 13135.8

            n = sample of 11th-grade students = 20

So, <u><em>the test statistics</em></u>  =  \frac{(20-1)\times 13135.8^{2} }{100^{2} }

                                     =  24.96 ≈ 25

Hence, the value of test statistics is 25.

5 0
3 years ago
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