3 years ago

The goal of the elimination method is the same as the goal of the substitution method. The goal is:

Mathematics

1 answer:

dlinn [17]3 years ago

5 0

To have all positive terms I think

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If f(x)=3x+9,what is f−1(x)?

kotegsom [21]

F inverse? then :
let's consider 3x + 9 as y.
so :
y = 3x + 9
y - 9 = 3x
x = y/3 - 3
now replace y with x and you get the inverse.
f^-1 (x) = x/3 - 3

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4 years ago

HELP. Need help on this

pishuonlain [190]

Answer:

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Step-by-step explanation:

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The side length of the base of a square pyramid is 30 centimeters. The height of the pyramid is 45 centimeters. What is the volu

dybincka [34]

Answer: 450 cm³ is the volume

Step-by-step explanation:

Volume of pyramid = L x W x H divide by 3

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3 years ago

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harkovskaia [24]

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Step-by-step explanation:

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3 years ago

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Give the exact form and decimal form of the equation

Svet_ta [14]

Answer:

Exact form: $\sin{(6x)} = \frac{8}{9}$

Decimal form: $\sin{(6x)} = 0.8889$

The solution for x is: The solution for x is of 10.455º

Step-by-step explanation:

We are given the following equation:

$8 = 9\sin{(6x)}$

Placing into the desired format, the exact format is:

$\sin{(6x)} = \frac{8}{9}$

In the decimal part, we divide 8 by 9. So

$\sin{(6x)} = 0.8889$

Solving for x:

We apply the inverse sine. So

$\sin^{-1}{\sin{(6x)}} = \sin^{-1}{0.8889}$

$6x = 62.73$

$x = \frac{62.73}{6}$

$x = 10.455$

The solution for x is of 10.455º

5 0

3 years ago