Answer:
4.5.
Step-by-step explanation:
4.92 +2.18 x 7.31
= approximately 5 + 2 * 7.5
= 20
Now 4.5 * 4.5 = 20.25 so:
The estimate for the square root is 4.5.
The equation is asking for you to write out an equation y= x + b. The equation should be y= 2x - 1
The translation is Let X,Y and Z be subsets of a universe set U, Are the following statement valid?
<h3>What is the sentence about?</h3>
Others are:
- Y-X=X UT
- Tip: Define non-empty sets and apply the relationship that is requested to verify. Or True False
Note that X,Y and Z be subsets of a universe set U and as such, the statement of Y-X=X UT is false.
Learn more about Spanish math from
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Answer: 20 children
Step-by-step explanation:
<u>Given</u>
Year 4: 11 cannot swim
Year 5: 21 can swim
Year 6: 18 of 30 can swim
Total 96 children
Total 37 cannot swim
<u>First Step: find the number of people from year 5 who cannot swim</u>
- There are 30-18=12 people who cannot swim in year 6
- There are 11 who cannot swim in year 4
- Thus, we use the total number [37]-[year 4+year 6]=37-23=14 people who cannot swim in the year 5
<u>Second Step: find the number of children in year 5</u>
- There are 21 children who can swim
- There are 14 children who cannot swim
- 21+14=35 children
<u>Third Step: find the number of children in year 4 who can swim</u>
- There are 30 children in year 6
- There are 35 children in year 5
- There are 11 children in year 4 who cannot swim
- There are in total 96 children
- 96-30-35-11=20 children in year 4 who can swim
Hope this helps!! :)
Please let me know if you have any questions
Answer:
(g ○ f)(- 3) = 1
Step-by-step explanation:
evaluate f(- 3) then substitute the value obtained into g(x)
f(- 3) = - 3 + 4 = 1 , then
g(1) = 1³ = 1