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mote1985 [20]
3 years ago
11

The perimeter of rectangle ABCF is 28cm Calculate the area of the trapezium CDEF

Mathematics
2 answers:
Shtirlitz [24]3 years ago
6 0
The Area of the trapezium = 54cm2.
Klio2033 [76]3 years ago
4 0

Answer:

42

Step-by-step explanation:

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(8.6x107)-(9.1x10-8)simplify
natima [27]

Answer:

  85,999,999.999 999 909

Step-by-step explanation:

The expression represents the difference of a relatively large number and one that is relatively small. That difference is approximately the value of the large number. The exact value requires 17 digits for its proper expression. Most calculators and spreadsheets cannot display this many digits.

<h3>Standard form</h3>

The numbers in standard form are ...

  86,000,000 = 8.6×10^7

  0.000000091 = 9.1×10^-8

<h3>Difference</h3>

Their difference is ...

  86,000,000 -0.000000091 = 85,999,999.999 999 909

In scientific notation, this is ...

  8.599 999 999 999 990 9×10^7

4 0
1 year ago
What is the equation of a sine function with an amplitude of 2 and a period of 4pi.
Setler [38]

Answer:

um

Step-by-step explanation:

7 0
2 years ago
HELP QUICK PLEASE<br> Determine the following values of the function.<br><br> f(-3) = <br> f(2) =
astra-53 [7]
F(-3) would be -8, because you would use the first equation. f(2) would be 4 apparently cause theres no x after the 4, or in the equation of the 4. Hope this helps. Please rate, leave a thanks, and mark a brainliest answer(not necessarily mine). Thanks, it really helps! :D
4 0
2 years ago
Read 2 more answers
The answer to that algebra 2 equation
IRISSAK [1]
The answer is (2,-5)
3 0
3 years ago
60 students on field trip 20 students were 8th graders. What ratio shows relationship between eighth graders and everyone who we
Flauer [41]

Answer:

Percentage=33.33%

Step-by-step explanation:

Total number of students=Number of 8th grader+others who went on trip

where;

Total number of students=60

Number of 8th graders=20

Others who went on trip=x

replacing;

60=20+x

x=(60-20)

x=40

Others who went on trip=x=40

Ratio of number of eighth graders to the number of everyone who went on the trip is;

Eighth graders who went=20 students

Everyone who went including the eighth graders=60

20/60==1/3

(1/3)×100=33.33%

Percentage=33.33%

3 0
3 years ago
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