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AnnyKZ [126]
3 years ago
12

I need help with this question. Also can you explain it to me? Thanks

Mathematics
1 answer:
inysia [295]3 years ago
7 0

Answer:

A: not a function

B: function

C: Not a function

D function

Step-by-step explanation:

A: doesn't pass vertical line test

B: No repeating x values, for every x-value there is only one y-value

C: X value has 2 y values

D: pass vertical line test

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How many different 3-digit PIN codes are there that only include the digits 7, 4, 3 and 2?
KengaRu [80]

Answer:

64

Step-by-step explanation:

We can use the product rule of counting to answer this:

There are 4 possibilities for the 1st digit
There are 4 possibilities for the 2nd digit
There are 4 possibilities for the 3rd digit
So we use the product rule of counting to give us:

4×4×4=64

6 0
2 years ago
What value of y makes the 2 triangles congruent by SSS?
aleksandrvk [35]
The triangle was just flipped so the missing side is going to equal 36, so...
2y+20= 36
(Subtract 20 from each side to isolate the 2y)
2y= 16
(Divide each side by 2 to isolate the variable)

ANSWER:
y= 8
8 0
3 years ago
What’s the length of three pieces of pipe if they all equal 72m
MAXImum [283]

Answer:

72 × 3 = 216m

216 m is the combined length

6 0
1 year ago
Barnabus caught 84 fish in 4 days. Each day he caught 10 more than on the day before. How many fish did he catch each of the 4 d
balandron [24]
X + x + 10 + x + 20 + x + 30 = 84.
4x + 60 = 84.
84 − 60 = 24
4x =  24.
24 / 4 = 6 = x.

Answer:
Day One:  6 fish
Day Two:  16 fish
Day Three:  26 fish
Day Four:  36 fish
5 0
3 years ago
Solve to find the value of x.
aleksley [76]
135
cross multiply 9*20 then divide by 8


5 0
3 years ago
Read 2 more answers
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