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3 years ago

I need to know what 26.05 × 22 is

Mathematics

2 answers:

Naddik [55]3 years ago

8 0

It is 573.1 you just need to use a calculator

Ivahew [28]3 years ago

4 0

The answer is 573.1.

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Last week, 108 cars received parking violations in the main university parking lot. Of these, 27 had unpaid parking tickets from

garik1379 [7]

Answer:

95 percent confidence interval

[0.208,0.29166]

Step-by-step explanation:

First we identificate the sample proportion p = 27 /108, and we find the 95 percent confidence interval for P(population proportion) in this context the parking violations that have prior unpaid parking tickets.

Then α = 0.05 and 1 - α/2 = 0.975

Thus $Z_{0.975} = 1.96$

The 95 percent confidence interval is

[ p ± 1.96 $\sqrt{\frac{p(1-p)}{n} }$ ]

[0.25 ± 1.96 $\sqrt{\frac{0.25*0.75}{108} }$ ]

[0.208,0.29166]

6 0

3 years ago

(5a+15b) e divizibil cu 5<br><br> va rogg e urgent

34kurt

Answer:

Step-by-step explanation:

$\frac{5a + 15b}{5 }$

$\frac{5a}{5} + \frac{15b}{5}$

$a + 3b$

4 0

3 years ago

Saul decides to use the IQR to measure the spread of the data. Saul calculates the IQR of the data set to be 27

german

Answer:

n = 78

Step-by-step explanation:

IQR is the interquartile range of the data set.

So Saul had already arranged the data in order, that is the first step when calculating the interquartile range.

25, 30, 50, 50, 50, 50, 56, n., 250

Next, is to find the median so we could easily separate the data into quartiles.

The median of the data 25, 30, 50, 50, 50, 50, 56, n., 250 = 50

Then, arrange the data into the first quartile and the third quartile

first quartile = 25, 30, 50, 50

third quartile = 50, 56, n., 250

first quartile median = 30 + 50 = 80/2 = 40

third quartile = 56 + n /2

The interquartile range formula is the first quartile subtracted from the third quartile:

IQR = Q3 – Q1.

Since 27 is the interquartile range, n=

27 = (56 + n /2) - 40

Use 2 to multiply through to eliminate the denominator

54 = (56 + n) - 80

n = 78

5 0

3 years ago

In this rectangular box, E F = 16, FD = 5, and DB = 30. Find A F.

DENIUS [597]

A F is 309. 16 + 5 + 30 = 51. 360 - 51 = 309

Hope this helped :D

7 0

3 years ago

3(12-8)/2*5-4 simplify or evaluate the following expressions

vekshin1

Answer:

Step-by-step explanation:

12-8=4

3(4)=12

12/2=6

6*5=30

30-4

4 0

3 years ago