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2 years ago

Which graph represents a function?

Mathematics

1 answer:

s344n2d4d5 [400]2 years ago

3 0

Answer:

the third one (bottom left)

Step-by-step explanation:

all the others have at least one x value with multiple possible y values.

but for a function, there must be exactly 1 y value for each defined x value.

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A certain stylist charges $15 for a haircut and $30 for hair coloring. A haircut takes on average 30 minutes, while coloring tak

dalvyx [7]

Haircuts be x
hair coloring be y

$\\ \sf{:}\Rrightarrow 15x+30y\geqslant 150$

$\\ \sf{:}\Rrightarrow x+y\geqslant 10$

And

$\\ \sf{:}\Rrightarrow 0.5x+2y\geqslant 8$

Attached

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2 years ago

Please help me! (Tangent Ratios) (20 points)

Leya [2.2K]

Answer:

Tan A for first page 25/49

Tan A for second page 37/49

Tan B for first page 24/49

Tan B for second page 12/49

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2 years ago

Question 18(Multiple Choice Worth 1 points) (01.01) Period 1 has 15 students in it and a test average of 86%. Period 2 has 21 st

andrew11 [14]

Answer:

89.125%

Step-by-step explanation:

The weighted mean is simply the multiplication of the number of student in each period times the respective average of said period, divided by the total number of students:

Average = $\frac{15* 86 + 21*88 + 12*95}{15 + 21 + 12}$ = 89.125%

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2 years ago

Which number is rational?<br><br> A.π B.0.36458121… C.0.777... D. √5

RideAnS [48]

The answer is C: 0.777...

Rational numbers are numbers that repeat or end.

4 0

3 years ago

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Stewart has a home-based business putting on children’s parties. He charges $60 to design the party and then $6.00 per child. Wr

Aleksandr [31]

Answer:

Step-by-step explanation:

numbers of students = n

party decoration charge = 60

per child cost = 6

so, therefore

f(n) = 60 + 6n

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2 years ago

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