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AnnZ [28]
3 years ago
10

The sum of 5xy and (2xy + xy) is

Mathematics
1 answer:
AleksAgata [21]3 years ago
4 0
8xy that is the answer
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Is 5 a solution to the equation 2x^2 + 10 = 60 yes or no
cricket20 [7]
2(5)^2+10
2(25)+10
50+10
60
Yes
8 0
3 years ago
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John swam halfway across a circular pond (radius). He has gone 132 yds. What is the diameter of the pond?
netineya [11]

Answer:

D. 264yards

Step-by-step explanation:

If John swam halfway across a circular pond (radius) and he has gone 132 yds, then the radius of the circular pond is 132yards.

Diameter of the pond = 2×radius of the pond

Diameter of the pond = 2×132

Diameter of the pond = 264yards

7 0
3 years ago
These are the means and standard deviations for samples of prices from two
marysya [2.9K]
Its Letter B!!!!!!!!!!!!
7 0
1 year ago
Simplify the expression:-5-(-26)​
cluponka [151]

Answer:

21

Step-by-step explanation:

-(-26) would be positive 26 because one negative multiplied by another negative equals a positive. We are left with -5+26 which would equal 21.

4 0
3 years ago
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In ΔBCD, \overline{BD}
Alex787 [66]

Answer:

30degrees

Step-by-step explanation:

Given

Exterior angle m<CDE = 7x - 19 degrees

interior angles are

m<BCD = 2x - 1

m<DBC = x+10

Since the sum of the interior angles is equal to the exterior, hence;

2x - 1 + x+10 = 7x - 19

3x + 9 = 7x - 19

3x - 7x = -19 - 9

-4x = -28

x = 28/4

x = 7

Get m<CDE

m<CDE = 7x - 19

m<CDE = 7(7) - 19

m<CDE = 49 - 19

m<CDE = 30degrees

4 0
2 years ago
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