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Degger [83]
3 years ago
10

Find the inverse: f(x) = 4 + 4/5 x.

Mathematics
1 answer:
timama [110]3 years ago
7 0

Answer:

f−1(x)=5x4−5

Step-by-step explanation:

To find the inverse, interchange the variables and solve for y.

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What is 5/12 as a unit fraction?
Stells [14]
I'm pretty sure it's 1/12, please don't be mad if I got it wrong
8 0
3 years ago
Which expression is equivalent
rewona [7]
Answer:
(x^2-1) - 5(x-1)

Explanation:
We are given that:
p(x) = x^2 - 1
q(x) = 5(x-1)

Now, (p-q)(x) means that we will subtract q(x) from p(x) as follows:
p(x) - q(x) = (x^2-1) - 5(x-1)

Comparing this to the choices given, we will find that the correct choice is the third one

Hope this helps :)
6 0
3 years ago
$#4 Find the value of x. Round answer to nearest tenth.
shusha [124]

Answer:

Step-by-step explanation:

From the given right angle triangle,

The hypotenuse of the right angle triangle is x

With m∠54 as the reference angle,

The unknown is the adjacent side of the right angle triangle.

The opposite side of the right angle triangle is 19

To determine x, we would apply the Sine trigonometric ratio.

Sine θ = opposite side/hypotenuse. Therefore,

Sin 54 = 19/x

x = 19/Sin54 = 19/0.809

x = 23.5 to the nearest tenth.

5 0
4 years ago
Delia, Edwin and Freya share some money in the ratio 5 : 7 : 8. Freya’s share is £1600. How much money did they share?
FrozenT [24]

Answer:

To find how much money they shared first find the total parts

Which is

5 + 7 + 8 = 20

Deila's share is

5 /20 × £1600

= 1/4 × £1600 = £ 400

Edwin's share is

7/ 20 ×£1600 = £560

Freya's share is

8/20 × £1600

= 2/5 × £1600 = £640

Hope this helps you

3 0
3 years ago
Read 2 more answers
Dina is H years old. Edward is 4 years older than Dina, and Sarah is twice as old as Dina .The expression H+H+4+2H gives the sum
SashulF [63]

I think their age might be 42H³

6 0
3 years ago
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