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stellarik [79]
3 years ago
7

I need help please I don't understand it

Mathematics
1 answer:
german3 years ago
3 0

Answer:

The third and the forth

Step-by-step explanation:

Functions do not have repetition in the x column.

Since the other options have doubles of an x value

(or, to phrase it differently, two y values for one x value)

they are not functions.

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Can someone please help me with this, and please only comment if ur sure, Thank you <3
ruslelena [56]
Exponential

the equation is
y = 12,800 (0.5)^x
7 0
3 years ago
Is 1.2 less than or higher than 1.5
Olenka [21]

1.2 is less than 1.5

If you cancel out 1 from both numbers you're left with .2 and .5

Multiply both by 10 and get 2 and 5.

Obviously 2 is less than 5.

4 0
3 years ago
The area of a square ice rink is 400 yd.². What is the perimeter of the rink in yards
MakcuM [25]

Answer:

80 yd^2

Step-by-step explanation:

Since the formula for squares is s^2, we can use this to set up an equation, which is

s^2=400

If we square root this, we get

s=20

The perimeter formula for a square is 4s, so if we plug in, we end up with 80 yd^2

8 0
3 years ago
A local middle school adopted a policy for school uniforms. Students can wear black pants or tan pants. They can wear a yellow s
ValentinkaMS [17]
The answer is 8 because you have black and tan pants so 2 pairs and then a green, red, white, and yellow shirt sooooo you have 4 choices of shirts to pair with your pants. So 2•4=8
5 0
3 years ago
What does 5 + 3 1/8 =
mafiozo [28]
It equals 8 1/8 because 5 + 3 = 8 plus the 1/8
4 0
3 years ago
Read 2 more answers
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