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harkovskaia [24]
3 years ago
8

-88-73 positive or negative

Mathematics
2 answers:
dezoksy [38]3 years ago
5 0
It will be negative.
garik1379 [7]3 years ago
4 0
Its positive as -*-=+
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a rectangle plot measure 20ft. by 30ft. A 3-ft.-wide sidewalk surrounds it.Find the area of the sidewalk.
goldenfox [79]
Area of a rectangle = length (l) * width (w)
A = 30ft * 20ft
A = 600 sq ft

Now the width of a sidewalk that surroundeds it = 3 ft
so now the area of the rectangle with sidewalk= 30+3ft * 20+3ft
A = (33*23) ft
A = 759 sg ft

Area of the sidewalk = 759 - 600
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3 0
3 years ago
25 times 55 wright it out please
lakkis [162]

Answer:

1375

Step-by-step explanation:

25*55= 1375

6 0
3 years ago
How many different committees can be formed from 12 teachers Abs 43 students of the committee consists of 4 teachers and 3 stude
Marina86 [1]

Answer:

6108795

Step-by-step explanation:

To obtain the number of ways the committee can be selected :

4 teachers from the 12 teachers available and 3 students from the 43 students available

Using combinatorics :

12C4 * 43C3

recall :

nCr = n! ÷ (n - r)!r!

Using calculator :

12C4 = 495

43C3 = 12341

12C4 * 43C3

495 * 12341

= 6108795

3 0
2 years ago
I need help fast!!!!!!
Natasha_Volkova [10]

Answer:

28 Pi

Step-by-step explanation:

circumference = 24(2)(π) = 48π

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210/360(48π) = 28 Pi

4 0
2 years ago
Simplify (2/9)^3<br><br> A. 8/729<br> B. 6/9<br> C. 2/729<br> D. 8/9<br><br> No guessing please
Lunna [17]
Eliminate the exponent
2^3=8
9^3=729

The simplified answer would be 8/729.

Hope this helps! 
7 0
3 years ago
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