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olga2289 [7]
3 years ago
14

Calculate 21+23+25...+81

Mathematics
1 answer:
motikmotik3 years ago
4 0

Answer:

150

Step-by-step explanation:

Have a great night. ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎

︎ ︎ ︎︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎

︎ ︎ ︎︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎

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7k + 5 – 2 = 7k + 3 0<br><br> Anyone sorry for so many i just need help
mamaluj [8]

Answer:

K=27

Step-by-step explanation:

the answer is 27

6 0
3 years ago
Roger gets $40 per day as wages and $4.50 as commission for every pair of shoes he sells in a day. His daily earnings goal is $1
Mila [183]

Answer:

40+4.50x+112

16 shoes daily to make his goal

Step-by-step explanation:

to find how much shoes he would have to sell take away 40 from both sides of the equation which would leave you with 4.50x=72 next divide 4.50 out of both sides of the equation x=16 so he would have to sell 16 pairs of shoes a day to meet his goal

3 0
3 years ago
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In a chess match, a win counts as 1 point, a draw counts as 0.5 point, and a loss counts as 0 points. After 21 games between the
Natalija [7]

Answer:

14.5

Step-by-step explanation:


5 0
3 years ago
Which expression is equivalent to 15+3x<br> A) 3(5+x)<br> B) 5(3+x)<br> C) 3(5+3x)<br> D) 5(3+3x)
4vir4ik [10]

Answer:

3(5+x)

Step-by-step explanation:

15+3x

5*3 + 3*x

Factor out 3

3(5+x)

7 0
3 years ago
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Help me pleaeeeeeerr!!!!!!
anygoal [31]

Answer:

A = 4/5 ft

Step-by-step explanation:

Area = length x width

A = 2 2/5 x 1/3

Turn the mixed number into an improper fraction:

2 2/5 = 12/5

A = 12/5 x 1/3

A = 12/15

You can divide the top and bottom by 3:

A = 4/5

8 0
3 years ago
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