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ser-zykov [4K]
3 years ago
6

Can someone please help me with these math problems ​

Mathematics
1 answer:
yuradex [85]3 years ago
5 0

Answer: 138

Step-by-step explanation:

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What is a rational number
siniylev [52]

It's a number that can be expressed as a fraction, the numerator and the denominator of which, are integers.

7 0
3 years ago
How do you distribute (x+5)(x-2)?
hodyreva [135]
The answer is 
x^2+3x-10

6 0
3 years ago
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In a soccer game the winner gains 3 points, while the loser gains 0 points. If the game is a draw, then the two teams gain 1 poi
Mariana [72]

Answer:

10 losses

Step-by-step explanation:

Here, we want to get the greatest possible number of games the team lost

Let the number of games won be x

Number drawn be y

Number lost be z

Mathematically;

x + y + z = 38

Let’s now work with the points

3(x) + 1(y) + z(0) = 80

3x + y = 80

So we have two equations here;

x + y + z = 80

3x + y = 80

The greatest possible number of games lost will minimize both the number of games won and the number of games drawn

We can have the following possible combinations of draws and wins;

26-2

25-5

24-8

23-11

22-14

21-17

21-17 is the highest possible to give a loss of zero

Subtracting each sum from 38, we have the following loses:

10, 8, 6, 4, 2 and 0

This shows the greatest possible number of games lost is 10

5 0
3 years ago
Need help please would really be greatful
Rainbow [258]

Answer:

122°  

Step-by-step explanation:

The formula for finding the sum of all angles in a polygon is:

(n-2) * 180°

n is the number of angles

Here n = 7, so the sum of all angles is

(7-2) * 180°  = 900°

x = 900 - 128 - 130 - 120 - 115 - 145 - 140 = 122°

Make me the brainliest ;)

7 0
2 years ago
20%of what number is 80?
prisoha [69]

20%  times n = 80

.20 n = 80

divide both sides by .2

n = 80/.2

n= 400

Answer: 400

8 0
3 years ago
Read 2 more answers
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