3 years ago

HEllpplppll I’ll give u a star

Mathematics

2 answers:

Firdavs [7]3 years ago

8 0

That’s not a function, hope this helps:)

denpristay [2]3 years ago

7 0

Answer:

its not a function :)

Step-by-step explanation:

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X is inversely proportional to y, and x = 18 when y = 4. Write an equation relating the two

Alenkasestr [34]

Answer:

$xy=72$

Step-by-step explanation:

If x is inversely porportionaly to y, then for some constant k,

$x = \frac{k}{y}\\xy=k$

Since y is 4 when x = 18, k is equal to 4*18=72, so the equation is:

$xy=72$

8 0

2 years ago

Which set of ordered pairs is not a functions?

Anit [1.1K]

Answer:

Step-by-step explanation:

X values cannot repeat in a function, 3 is used as an X value twice in A, and therefore cannot be a function.

If this is graphed, you can use the vertical line test, if a vertical line on any point goes through other points, it is not a function.

In this case, just check if X repeats.

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2 years ago

On tuesday bill bought nine posters. On wednesday half of all the posters that he had were destroyed. On thursday there were onl

Anettt [7]

(x+9)/2+=24
*2 I *2
x+9=48
-9 -9
x=39

4 0

3 years ago

I don't understand this pls help

Nitella [24]

Answer:

Step-by-step explanation:

Solve. Remember to follow PEMDAS.

PEMDAS is the order of operation, and =

Parenthesis

Exponent (& Roots)

Multiplication

Division

Addition

Subtraction

First, divide 54 with -6:

54/(-6) = -9

Next, combine the terms.

10 + (-9) = 10 - 9 = 1

1 is your answer.

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3 years ago

Manny and Lisa are making reading schedules. Manny wants to read 10 pages after 2 hours and 20 pages after4 hours. Lisa wants to

Dennis_Churaev [7]

What’s the question?

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3 years ago