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insens350 [35]
3 years ago
12

Find inverse functionf(x) = -3x + 9​

Mathematics
1 answer:
SashulF [63]3 years ago
7 0

Answer:

f^{-1} (x) = \frac{-x}{3} +3

Step-by-step explanation:

y = -3x + 9​ ⇌ 3x = 9 - y ⇌ x = -y/3 + 9/3 ⇌ x = -y/3 + 3

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your lunch and your friend steve's lunch cost 19.00. Your lunch was 3.00 more than steve's lunch. How much was steve's lunch?
Brilliant_brown [7]

Answer:

Steve's lunch is $8.00

Step-by-step explanation:

First you have to make a formula for this almost.

s= Steve's lunch

y= your lunch

s= y-3

s+y-19

then plug in s

y-3+y=19

Then simplify   2y-3=19

Add the three to both sides   2y=22

Divide both sides by 2    y=11

Last plug y into one of your formulas

s=Y-3

s=11-3

s=8

BE SURE TO CHECK YOUR ANSWER S+Y=19 11+8=19 :)

6 0
3 years ago
Read 2 more answers
Uca is designing a propeller system that consists of 3 blades, each of which is
zmey [24]

Answer:

The weight of the three blades together is 134\ g

Step-by-step explanation:

step 1

Find the area of the circle

The area of the circle is equal to

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we have

r=4\ in

assume

\pi=3.14

substitute

A=(3.14)(4)^{2}

A=50.24\ in^{2}

step 2

Find the area of the 3 blades

we know that

The area of the 3 blades represent a central angle of 60 degrees, so

its a 1/6 of the area of complete circle

A=50.24/6=8.37\ in^{2}

step 3

Find the weight of the three blades together to the nearest gram

(8.37\ in^{2})*(16\ g/in^{2})=134\ g

4 0
3 years ago
The square below has an area of x^2-10x+25 square meters
Helen [10]

Answer:

Answer: Expression that represents the length of one side of the square is x - 5.

5 0
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mestny [16]
The probability of drawing a red marble is 20%
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4 years ago
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Harman [31]

Answer:

The factors of the polynomial are:

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Step-by-step explanation:

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