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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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Is the following relation a function?<br> Y = 3x
timofeeve [1]

Answer:

Yes

Step-by-step explanation:

If you subsitute for x, x will only repeat if it has the same y value.

4 0
3 years ago
A delivery truck is transporting boxes of two sizes: large and small. The large boxes weigh 55 pounds each, and the small boxes
Alla [95]

Answer:

Number of small boxes is 50 and number of big boxes is 60

Step-by-step explanation:

let the number of small box represent x and the number of big box represent y

Hence total number of boxes = x + y = 110 ......................Eqn1

Total weight of boxes = 30x + 55y = 4800----------------Eqn2

Solving both equations simultaneously

From Eqn1, x = 110-y, substitute it into equation 2

Hence, 4800 = 30(110-y) + 55y

1500 = 25y

y = 60

X = 110 - 60 = 50

Number of small boxes is 50 and number of big boxes is 60

3 0
4 years ago
If I got a 43 out of 49 on my test what is the score
Goshia [24]
You would have a grade of an 88%
7 0
3 years ago
40 points which statement is correct
Zinaida [17]
The range and domain of the graph are the same. Both are all real numbers.
7 0
4 years ago
Need help with this question quickly.
Ber [7]

Answer:

106 = 34 +4t

18 t shirts

Step-by-step explanation:

total profit = profit from hats + profit from tshirts

profit from hats = 34

profit from tshirts = 4* t  where t is the number of tshirts sold

total profit = 34 + 4t

The total profit was 106

106 = 34 +4t

Subtract 34 from each side

106-34 = 34-34 +4t

72 = 4t

Divide each side by 4

72/4 = 4t/4

18 = t

He sold 18 t shirts

5 0
3 years ago
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