2 years ago

9!-4!(5!) How do i solve?

1 answer:

6 0

To simply the expression,we should remember an ! in math represents every number (til 1) before that one multiplied or "the product of the integers from 1 to n"

So now that we have the definitions we can simplify by finding the values of each:

(9x8x7x6x5x4x3x2x1)-(4x3x2x1)(5x4x3x2x1)

After simplifying this will equal to 3600

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2/5 ÷ −13/11 ≈ pls help me pls

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2 years ago

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A large plane is able to cruise at 530 miles per hour. What is the ratio of miles per hour?

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530 miles are travelled for every hour passed?

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3 years ago

Which represents the inverse of the function f(x) = 4x?

zhenek [66]

Answer:

h(x) = 1/4x

Step-by-step explanation:

To find the inverse, first we rewrite the function using y instead of f(x):

y = 4x

Next we switch x and y:

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Solve for y by dividing both sides by 4:

x/4 = 4y/4

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3 years ago

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The sum of two positive numbers is 42. What is the smalles possible value of the sum of their squares?

Mkey [24]

Okie, it is not too hard.
Set these numbers a and b, notice a, b positive.
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Or you can use the formula of Cauchy

3 0

3 years ago

How do you solve this if you are solving for y y=3xy-1

Angelina_Jolie [31]

Move all y terms to both sides
subtract both sides by 3xy

y=3xy-1
y - 3xy = -1

factor out y from the left side: y(1 - 3x) = -1
divide both sides by (1-3x)

y = -1/(1-3x)

6 0

2 years ago