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Naddika [18.5K]
3 years ago
13

What is the inverse of the function f(x) = 2x – 10?

Mathematics
1 answer:
Papessa [141]3 years ago
7 0

Answer:

(x+10)/2

Step-by-step explanation:

interchange the variables x and y

x=2y-10

solve for y

y=x+10/2

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Aashi buys
adoni [48]
Bread rolls = BR
Ketchup = K
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2BR + 1K + 3S = £9.55

2BR = 1.40 x 2 = £2.80
1K = £1.80

£2.80 + £1.80 + 3S = £9.55
3S = £9.55 - £2.80 - £1.80
3S = £4.95
£4.95 / 3 = BR
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The answer is £1.65 for one pack of sausages
4 0
2 years ago
H(x)=1/<br> x-8<br> someone help
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7 0
3 years ago
With one<br> do I pick<br> the right on e
katen-ka-za [31]
The answer is

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8 0
2 years ago
Xanthe and Sarah do some fundraising for their local nursing home. Together they raised $$$302. If Xanthe raised $$$102 more tha
Dimas [21]

Given :

Xanthe and Sarah together raised $302 .

If Xanthe raised $102 more than Sarah .

To Find :

The amount raised by Sarah .

Solution :

Let , amount raise by Sarah is x .

So , by the relation given , price raised by Xanthe is 102 + x .

Now , sum of their amount raised is :

x+(x+102)=302\\\\2x=302-102\\\\x=\$100

Therefore , the amount raised by Sarah is $100 .

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6 0
3 years ago
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gayaneshka [121]

Answer:

n= -52/7

Step-by-step explanation:

7(n+8)=4

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7n+0= -52

7n=-52

7n/7= -52/7

n= -52/7

3 0
2 years ago
Read 2 more answers
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