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ipn [44]
3 years ago
12

Pls help I’ll brainlest

Mathematics
1 answer:
Makovka662 [10]3 years ago
8 0

Answer:

D looks to be the only good solution.

Step-by-step explanation:

19.8 is roughly 20

9.8 is roughly 10, so 1.1 represents 1.10 which is increased by 10%

5.1 is still around 5, & 1.05 is 1 increased by 5%

Very rough estimate will be given.

Hope this helps. :0)

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Answer:

2/3a^5

Step-by-step explanation:

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a^15  cube will be a^5

because we know (2^3)^2 = 2^6

so (a^5)^3 = a^15

2/3a^5

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Zielflug [23.3K]

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Read 2 more answers
You wish to compare the prices of apartments in two neighboring towns. You take a simple random sample of 12 apartments in town
Rom4ik [11]

Answer:

The value of P-value is 0.0472.

Step-by-step explanation:

We are given that you take a simple random sample of 12 apartments in town A and calculate the average price of these apartments. You repeat this for 15 apartments in town B.

Let \mu_1 = <u><em>true average price of apartments in town A</em></u>

\mu_2 = <u><em>true average price of apartments in town B</em></u>

So, Null Hypothesis, H_0 : \mu_1=\mu_2

Alternate Hypothesis, H_A : \mu_1\neq \mu_2  

The test statistics that have been used here is <u>two-sample t-test statistics</u>, i.e;

The test statistics given to us is 2.1

Now, the P-value of the test statistics is given by the following formula;

                P-value = P( t__n__1+_n_2-_2 > 2.1)

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7 0
3 years ago
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sdas [7]

Answer:

Add 12 to the product of 13 and a number p.

Step-by-step explanation:

Given expression: 13p + 12

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i.e 13 × p = 13p

Then add 12,

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