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vovangra [49]
3 years ago
13

Please help me with thisexplainBRAINLIEST AVAILABLE!!

Mathematics
2 answers:
vfiekz [6]3 years ago
6 0
See the comment above. 
Interchange the x and y in the original equation. call f(x) = y just for ease of understanding.
y = 3x + 5
Inverse
x = 3y + 5 Now solve for y.
(x - 5) = 3y Divide by 3
(x - 5)/3 = y

Remove the brackets.
x /3 - 5/3 = y  

The answer is D <<<<< answer.



aliina [53]3 years ago
4 0
The closest to my explanation of this question i got was p(x)
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Please help thanks math
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Answer should be 63 because you multiply to find area
8 0
3 years ago
John took all his money from his savings account. He spent $88 on a radio and 1/4 of what was left on presents for his friends.
gayaneshka [121]

Answer:

$968

Step-by-step explanation:

x= the money John originally had in his savings account

The statement says that John spent $88 on a radio and 1/4 of what was left on presents for his friends. This means that the remaining money is 3/4 of the total amount minus the money spent on the radio:

3/4(x-88)

Then, it says that of the money remaining, John put 4/11 into a checking account and the last remaining $420 was left to charity. Since, he spent 4/11 of the remining 3/4(x-88), the remaining is 7/11 of that and that remaining is equal to $420 that was the money left at the end:

7/11(3/4(x-88))= 420

21/44(x-88)=420

21/44x-42=420

21/44x=462

x=968

According to this, the money that John originally had in his savings account was $968.

He spent $88 on a radio: 968-88= 880

1/4 of what was left on presents for his friends: 880/4= 220

880-220=660

Of the money remaining, John put 4/11 into a checking account: 660*(4/11)=240

the last remaining $420 was left to charity: 660-240= 420

6 0
3 years ago
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lbvjy [14]
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Answer:

I hate maths it's a boring subject

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2 years ago
What is 3 to the -2
melomori [17]

Answer:

1/9

Step-by-step explanation:

Anything to the negative power will be under 1

So take the square and then reciprocate it.

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3 years ago
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