3 years ago

Multiply (simplest form) 6x^2/x(x-3)•(x-3)/10(x+2)

Mathematics

1 answer:

schepotkina [342]3 years ago

8 0

Answer:

$\frac{3x}{5(x+2)}$

Step-by-step explanation:

Rewrite the division as a fraction.

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Carla attempted 12 free throw shots on a basketball court. She made 9 out of the shots. What is the experimental probability of

Ksju [112]

Answer:

75%

Step-by-step explanation:

9 ÷ 12 = 0.75

0.75 x 100 = 75 = 75%

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3 years ago

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En un hotel hay 67 habitaciones entre dobles y sencillas, si el número de camas es 92. ¿Cuántas habitaciones hay de cada tipo?

Alina [70]

Answer:

25 dobles y 42 sencillas

Step-by-step explanation:

25 x 2 = 50 camas + 42 = 92

y 25 habitaciones dobles + 42 sencillas = 67

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Find the area of a circle with a diameter of 16.

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The area of the circle should be 201.06

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How do i calculate a final grade if the course is 80 percent and the final exam is 20 percent

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I think its like if you got 80% on a quiz and 20% on the exam then your grade would be 60% which is usually a F

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3 years ago

The notation f:S→T denotes that f is a function, also called a map , defined on all of a set S and whose outputs lie in a set T

AnnyKZ [126]

Answer:

There are many. Two examples are

$f(x) = x, \\f(x) = x^3$

Step-by-step explanation:

There are many examples. The simplest is

1 -

$f(x) = x$

It is trivial that

$\text{if \,\,\,\,} f(x) = f(y) \,\,\,\,\,\text{then} \,\,\,\,\, x=y$

2 -

$f(x) = x^3$

That function is injective as well.

$\text{if \,\,\,\,} x^3 = y^3 \,\,\,\,\,\text{then} \,\,\,\,\, x=y$

An example of a function that is NOT injective is

$f(x) = x^2$

Notice that

$f(-2) = (-2)^2 = 2^2 = 4$

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4 years ago