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3 years ago

Which function is the inverse of f(x) = 2x + 3?

Mathematics

1 answer:

leva [86]3 years ago

7 0

I hope this helps you

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DO,K = (5, 0) (10, 0) The scale factor is 1/2 2 5

Lapatulllka [165]

If the preimage point is (5,0) and the image point is (10,0)
then the scale factor is k = 2

Basically the coordinates of the old point have doubled (multiplied by 2)

x = 5 is the old x coordinate
x = 10 is the new x coordinate (5*2 = 10)

y = 0 is the old y coordinate
y = 0 is the new y coordinate (0*2 = 0, no change)

3 0

3 years ago

Ema’s family has completed 60% of a trip. They have traveled 45 miles. How far is the trip?

Cloud [144]

Answer:

72 miles

Step-by-step explanation:

60% times 45 = 27

27 + 45 = 72

Answer is 72 miles

6 0

3 years ago

Read 2 more answers

Need help for my homework

jonny [76]

Answer:

Sorry

Step-by-step explanation:

Sorry,don't know this

8 0

3 years ago

Copland competes in 27 swimming events this

castortr0y [4]

Answer:

15 wins 12 2nd because subtract 3 from 27 that's 24 divide that by 2 its 12 so you add the extra 3 to 12 and that's 17

8 0

3 years ago

Chris puts one tenth of each paycheck into savings. Her current paycheck is $200. She decides to also put into savings, any amou

lions [1.4K]

Using given information we have to fill the blank spaces for respective parts:

Part(A): Original ratio of saved to total money per paycheck

Answer: $\frac{20}{200}$

Explanation: Original payment was 200 and saving amount is 1 tenth which is 200*(1/10)=20. Hence ratio is 20/200

Part(B): Final ratio of saved to total money per paycheck___________________

Answer: $\frac{x+20}{x+200}$

Explanation: He also saved money more than 200 represented by x so the new ratio becomes (x+20)/(x+200)

Part(C): Final amount saved per paycheck______________________________

Answer: x+20

Explanation: Final saving is just 20 and extra money over 200 so final saving is (x+20).

8 0

3 years ago