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Vikki [24]
2 years ago
6

The distance between (4,10) and (6,20)

Mathematics
2 answers:
weeeeeb [17]2 years ago
7 0

Answer:

2√26

Step-by-step explanation:

I attached the solution.

rjkz [21]2 years ago
6 0

Answer:

(2,10)

Step-by-step explanation:

4 to 6 is 2 and 10 to 20 is 10 therfore you get 2 and 10

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rosijanka [135]

Answer:

y = 42

Step-by-step explanation:

18 - y = -24

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18 + 24 = 42

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3 years ago
Find the equation of the circle whose center is at (2,3) and radius is 6
Advocard [28]

Answer:

Step-by-step explanation:

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2 years ago
The mayor is interested in finding a 98% confidence interval for the mean number of pounds of trash per person per week that is
saul85 [17]

Solution :

Given :

Sample mean, $\overline X = 34.2$

Sample size, n = 129

Sample standard deviation, s = 8.2

a. Since the population standard deviation is unknown, therefore, we use the t-distribution.

b. Now for 95% confidence level,

   α = 0.05, α/2 = 0.025

  From the t tables, T.INV.2T(α, degree of freedom), we find the t value as

  t =T.INV.2T(0.05, 128) = 2.34

  Taking the positive value of t, we get  

  Confidence interval is ,

  $\overline X \pm t \times \frac{s}{\sqrt n}$

 $34.2 \pm 2.34 \times \frac{8.2}{\sqrt {129}}$

 (32.52, 35.8)

 95% confidence interval is  (32.52, 35.8)

So with $95 \%$ confidence of the population of the mean number of the pounds per person per week is between 32.52 pounds and 35.8 pounds.

c. About $95 \%$ of confidence intervals which contains the true population of mean number of the pounds of the trash that is generated per person per week and about $5 \%$ that doe not contain the true population of mean number of the pounds of trashes generated by per person per week.  

4 0
2 years ago
ALGEBRA On the first Tuesday of every month, Roth's gives seniors a 15%
iVinArrow [24]

Answer:

Let selling price of three-piece suit = x. Applying 7% sales tax, total amount paid = x + xx7 - $152.79. 100 207 100 ०१ This is the $ 152.79 os, x- $142.7943 price after marked down of 40%, let the regular price of three-piece suit be = y. Therefore y [ 3 - 4m] $342.1943 1 - - $237.99 Regular price of 1 piece suit $ 237.99

3 0
2 years ago
What is the weight of a 32 kg child
sattari [20]

Answer:

32 kgs ?

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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