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beks73 [17]
3 years ago
13

What is a variable?

Mathematics
2 answers:
Vanyuwa [196]3 years ago
4 0

Answer:

B. A variable is something we do not know and we use a letter to represent it.

velikii [3]3 years ago
3 0

Answer:

C. A variable is the number in front of the letter in an expression.

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_ % of 4 is 7 someone pls help me
STALIN [3.7K]

Answer:

175% of 4 is 7

Step-by-step explanation:

i hope this helps

7 0
2 years ago
Số táo của An, Bình, Chi là như nhau. An cho đi 17 quả , Chi cho đi 19 quả thì lúc này số táo của Chi gấp 5 lần tổng số táo còn
soldier1979 [14.2K]

Answer:

So, the initial number of apples is 7.

Step-by-step explanation:

The number of apples of An, Binh, and Chi are the same. An gave away 17 apples, Chi gave away 19 apples, so now Chi's apples are 5 times higher than the total remaining apples of An and Binh. How many apples did each of you have at first? (Solve the above problem by equation or system of equations)

Let the initial numbers of apples is a.

An gave 17 apples

Chi gave 19 apples

So,

x - 19 = 5 (x - 17 + x)

x - 19 = 5 (2x - 17)

x - 19 = 10 x - 85

9 x = 66

x = 7

6 0
3 years ago
PLEASE HELP
melisa1 [442]

Step-by-step explanation:

4 0
2 years ago
How many coconuts were in the original pile
leonid [27]
25 coconuts were in the originalpile the first sailor gave one of them to the monkeys and took 1/3 of the 24th equals eight which left 16 the second sailor gave one to the monkey and took 1/3 of 15 then all three sailors took two more each
4 0
3 years ago
Emily is entering a bicycle race for charity. Her mother pledges $0.30 for every 0.5 mile she
sashaice [31]

Answer:

The mother will donate $5

4 0
3 years ago
Read 2 more answers
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