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Oksi-84 [34.3K]
3 years ago
10

Aisha changed 1.45 + 2.38 to 1.5 + 2.4 in order to estimate the sum. What estimation method did she use? front-end clustering ro

unding to the nearest tenth rounding to the nearest hundredth
Mathematics
2 answers:
Rasek [7]3 years ago
9 0
The answer is c: rounding to the nearest tenth
Dmitry_Shevchenko [17]3 years ago
8 0
She rounded to the nearest tenth.

1.45 rounded to the nearest tenth would be 1.5 and 2.38 rounded to the nearest tenth would be 2.40 (or 2/4)

Hope this helped! :)

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-19

Step-by-step explanation:

AS  WE NEED TO FIND THE DIFF SO -8-11=-19

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Step-by-step explanation:

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Write the inequality shown by the graph
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A

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equation of the line graphed

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Find the area of figure 1.<br><br> a -12 units2<br> b- 14 units2<br> c- 8 units2<br> d- 10 units2
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3 0
2 years ago
Read 2 more answers
Sixty dash fivesixty-five percent of households say they would feel secure if they had? $50,000 in savings. you randomly select
Effectus [21]

 To solve the following problems, we use the binomial probability equation:

P (r) = [n!/(n-r)! r!] p^r q^(n-r)

where,

n = total number of households = 8

r = number of sample

p = probability of success = 65% = 0.65

q = probability of failure = 0.35

 

A. r = 5

P (r=5) = [8! / 3! 5!] 0.65^5 0.35^3

P (r=5) = 0.28

 

B. r >5

P (r=6) = [8! / 2! 6!] 0.65^6 0.35^2

P (r=6) = 0.26

P (r=7) = [8! / 1! 7!] 0.65^7 0.35^1

P (r=7) = 0.14

P (r=8) = [8! / 0! 8!] 0.65^8 0.35^0

P (r=8) = 0.03

Therefore total is:

P (r>5) = 0.26 + 0.14 + 0.03 = 0.43

 

C. r ≤ 5

P (r ≤ 5) = 1 - P (r>5)

P (r ≤ 5) = 1 – 0.43

P (r ≤ 5) = 0.57

 

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3 0
3 years ago
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