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tatuchka [14]
2 years ago
13

Plsssssss help me!! y + 1/2 = 7/10

Mathematics
2 answers:
denis-greek [22]2 years ago
6 0

Answer:

y=1/5

Step-by-step explanation:

Brrunno [24]2 years ago
6 0

Answer:

y = 1/5

Step-by-step explanation:

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Country ​A, Country​ B, and Country C won a total of 130 medals. Country B won 10 more medals than Country C. Country A won 38 m
snow_lady [41]

Answer:

Country ​A = 84

Country​ B = 28

Country C = 18

Step-by-step explanation:

Country ​A, Country​ B, and Country C won a total of 130 medals;

A + B + C = 130 ......1

Country B won 10 more medals than Country C;

B = C + 10 .......2

Country A won 38 more medals than the total amount won by the other two;

A = B + C + 38 ........3

Substituting equation 3 to 1;

(B+C+38) + B+C = 130

2B + 2C + 38 = 130 .......4

Substituting equation 2 into 4;

2(C+10) + 2C + 38 = 130

4C + 58 = 130

4C = 130-58 = 72

C = 72/4 = 18

B = C + 10 = 18 + 10 = 28

A = B + C + 38 = 18 + 28 + 38 = 84

Country ​A = 84

Country​ B = 28

Country C = 18

8 0
3 years ago
PLEASE ANSWER QUICK!!!!!!!!!!!!!!!!!!!!
Scilla [17]

two units to the left i think

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8 0
3 years ago
Let a = {1, 2, 3, 4, 5} and b = {2, 4}. what is a ∩ b?
Zielflug [23.3K]
That upside down u looking thing is the " intersection " of sets a and b. That means only the numbers that are in both sets.
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8 0
3 years ago
Mel is 3 years older than rahfat and Aurelio is twice as old as Mel. The sum of their ages is 57. How old is Mel
blagie [28]
Mel is 21......................................
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3 years ago
Use a common denominator to write an equivalent fraction for each fraction. 5/12, 2/9
lapo4ka [179]

Answer: common denominator 108

Step-by-step explanation:

Gcf= 108

9 * 12

45/108 and 24/108

6 0
2 years ago
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