3 years ago

The inverse of (5x – 1) and 5x

Mathematics

1 answer:

kozerog [31]3 years ago

7 0

Answer:

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Interchange the variables.

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Solve for

and replace with

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(

)

(

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(

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Step-by-step explanation:

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The answer is 23 I took the test

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2 years ago

In a sale there is 25% off all prices. A chair costs Â£45 in the sale. How much was it before the sale?

garri49 [273]

Answer:

60 pounds

Step-by-step explanation:

Let the normal price be p. The "25%-off" sale price is then 0.75p, and this 0.75p equals 45 pounds. Dividing both sides by 0.75 results in p = 60 pounds.

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2 years ago

I need help on this

koban [17]

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2. 42 + 62= 104

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2 years ago

The difference of two numbers is 15. The larger number is 1 more than 3 times the smaller number. What are the two numbers?

loris [4]

Answer:

Step-by-step explanation:

Let S = the smaller number.

"The larger number is 1 more than 3 times the smaller number."

The larger number is 3S + 1.

The difference between the numbers is 15, so the larger number minus the smaller number equals 15.

3S + 1 - S = 15

2S + 1 = 15

2S = 14

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The smaller number is 7.

larger number = 3S + 1 = 3(7) + 1 = 21 + 1 = 22

The larger number is 22.

5 0

3 years ago

analyze the diagram below and complete the instructions that follow . find the value of z. A.11 B.32 C.50 D.68

masha68 [24]

Answer:

Step-by-step explanation:

x = √30² - 18² = √576 = 24

tan A = 18/24 = 3/4

∠A = ∠B

tan B = tan A = 24 / y = 3 / 4

y = (24 x 4) / 3 = 32

Z = y + 18 = 32 + 18 = 50

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2 years ago