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slamgirl [31]
2 years ago
13

How much is a square mile

Mathematics
1 answer:
Vinvika [58]2 years ago
8 0

a square mile is equivalent to 27878400 square feet

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Please help with number 16
Andre45 [30]

Answer:

2) reflexive property

3) given

4) substitution postulate

5) substitution postulate

6) addition postulate

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8) equal length line segments are congruent

9) SSS theorem

Step-by-step explanation:

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3 years ago
A number is chosen at random from 1 to 10. Find the probability of selecting factors of 4 and factors
Lena [83]
The ANWSER is 2/4 I hope I helped
8 0
3 years ago
The cost of 5 kg of potatoes is £3.20
Tom [10]

Answer:

12kg=7.68

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Step-by-step explanation:

I found the cost per kg

4 0
2 years ago
A researcher wants to estimate the mean commute time of residents in Westchester County. The researcher samples 40 commuters and
Ksenya-84 [330]

Answer:

21.759

Step-by-step explanation:

Given that :

Mean (m) = 25

Standard deviation (s) = 12.5

Sample size (n) = 40

α = 90%

The confidence interval is obtained using the relation:

Mean ± Zcritical * s/sqrt(n)

Zcritical at 90% confidence interval = 1.64

25 ± 1.64 * (12.5/sqrt(40))

Lower boundary : 25 - 1.64(1.9764235) = 21.75866546

Upper boundary : 25 + 1.64(1.9764235) = 28.24133454

(21.759, 28.241)

Hence, lower bound of confidence interval is : 21.759

4 0
2 years ago
I'll give brainliest to whoever solves first correctly
almond37 [142]

Answer:

The answer rewritten is y=x-3+x+2-x-5=x-6

Step-by-step explanation:

5 0
2 years ago
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