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Stella [2.4K]
3 years ago
13

A parent died and left an estate to four children. One inherited

Mathematics
1 answer:
svetoff [14.1K]3 years ago
3 0
1-0.5-0.125-0.25= 1-0.875=0.125
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How many different combinations are possible if each lock contains the numbers 0 to 39, and each combination contains three dist
Georgia [21]
(e) Each license has the formABcxyz;whereC6=A; Bandx; y; zare pair-wise distinct. There are 26-2=24 possibilities forcand 10;9 and 8 possibilitiesfor each digitx; yandz;respectively, so that there are 241098 dierentlicense plates satisfying the condition of the question.3:A combination lock requires three selections of numbers, each from 1 through39:Suppose that lock is constructed in such a way that no number can be usedtwice in a row, but the same number may occur both rst and third. How manydierent combinations are possible?Solution.We can choose a combination of the formabcwherea; b; carepair-wise distinct and we get 393837 = 54834 combinations or we can choosea combination of typeabawherea6=b:There are 3938 = 1482 combinations.As two types give two disjoint sets of combinations, by addition principle, thenumber of combinations is 54834 + 1482 = 56316:4:(a) How many integers from 1 to 100;000 contain the digit 6 exactly once?(b) How many integers from 1 to 100;000 contain the digit 6 at least once?(a) How many integers from 1 to 100;000 contain two or more occurrencesof the digit 6?Solutions.(a) We identify the integers from 1 through to 100;000 by astring of length 5:(100,000 is the only string of length 6 but it does not contain6:) Also not that the rst digit could be zero but all of the digit cannot be zeroat the same time. As 6 appear exactly once, one of the following cases hold:a= 6 andb; c; d; e6= 6 and so there are 194possibilities.b= 6 anda; c; d; e6= 6;there are 194possibilities. And so on.There are 5 such possibilities and hence there are 594= 32805 such integers.(b) LetU=f1;2;;100;000g:LetAUbe the integers that DO NOTcontain 6:Every number inShas the formabcdeor 100000;where each digitcan take any value in the setf0;1;2;3;4;5;7;8;9gbut all of the digits cannot bezero since 00000 is not allowed. SojAj= 9<span>5</span>
8 0
3 years ago
Richard walks 1 kilometer in 12 mins how many does he walk in a hour
gladu [14]
He would have walked 5 kilometers because 12 goes into 60 5 times
4 0
3 years ago
Given f(x) =4x-5,find f(3)
Crazy boy [7]

Answer:

f(3) = 7

Step-by-step explanation:

Substitute x = 3 into f(x) , that is

f(3) = 4(3) - 5 = 12 - 5 = 7

8 0
2 years ago
Solve for x: one over five (5x + 12) = 18 (5 points)
atroni [7]

Step-by-step explanation:

(1x+12/5)=18

X=18-12/5

X=15..6

3 0
3 years ago
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A good resume should have only one page to keep it neat. The viewer of the resume should be able to see everything at one glaze and not flip through papers to see all of your achievements. Keep the most important and effective achievements and throw away the not so important ones.
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3 years ago
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