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goblinko [34]
3 years ago
10

Which of the following is NOT a function?

Mathematics
1 answer:
joja [24]3 years ago
6 0

Answer:

<em>c</em>

Step-by-step explanation:

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The value of y is directly proportional to the value of x If y=81 when x=54, what is the value of y when x=38
Arisa [49]

Answer:

y = 57

Step-by-step explanation:

y α x

y = kx ; k = Constant of proportionality

81 = k* 54

k = 81/54

k = 1.5

Value of y when x = 38

y = kx

y = 1.5 * 38

y = 57

Hence, y = 57 when x = 38

5 0
3 years ago
Solve the right triangle.<br> Round your answers to the nearest tenth.
katen-ka-za [31]

Answer: A= 42 degrees

Step-by-step explanation:

A= 180-90-48=42 (degrees)

8 0
2 years ago
Read 2 more answers
2x-3y=42 solve for y
PtichkaEL [24]

Answer:

y=14+(2/3x)

Step-by-step explanation:

Your main goal is to get Y by itself on one side.

To start subtract 2x from both sides. This will give you -3y=42-2x.

Then you divide both sides by -3 to get Y by itself.

That will leave you with ...

y=14+(2/3x)

(remember the negatives cancel each other out)

5 0
3 years ago
Read 2 more answers
If one of the short sides of a 45-45-90 triangle equals 5, how long is the hypotenuse?
Alla [95]

Answer:

hypotenuse= 2\sqrt{5}

Step-by-step explanation:

the triangle is equal tow side so it is two side =5 cm

then the hypotenuse by Phitagors theory the triangle hypotenuse =

\sqrt{5^{2} +5^{2} } = 2\sqrt{5}

5 0
3 years ago
(-w-6)/(w^2+4w-12), how do i write this into simplest form?
PIT_PIT [208]
First factorise the top = -(w+6)
The first factorise the bottom: (w^2 + 4w -12) = (w+6) (w-2)
Therefore the two (w+6) cancels out and you are left with -1 / w-2
7 0
3 years ago
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