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12345 [234]
3 years ago
11

If f(x) = 1/9x-2, what is f-1 (x)?

Mathematics
1 answer:
diamong [38]3 years ago
6 0

Answer:

Simplify (19/x−2)−1.

(x/9)−3

Remove parentheses. x

List all of the solutions.

f−1=(x/9)−3

x=x

Step-by-step explanation:

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What formula can we use to find the surface area of a rectangular prism? ​
saveliy_v [14]

Answer:

○ \displaystyle SA = 2lw + 2lh + 2wh

Explanation:

A rectangle has four right angles, including two pairs of congruent edges, only containing two dimensions – <em>height</em> and <em>length</em>. Therefore, going three-dimensional, a <em>rectangular prism</em> has three dimensions – <em>width</em>, <em>height</em>, <em>length</em>. With this information, you should know what the answer is.

I am joyous to assist you at any time.

6 0
2 years ago
how long will it take 14 machines to complete the task, given that 8 machines can complete the same task in 7 days?
torisob [31]

Answer:

4 days

Step-by-step explanation:

If 8 machines can complete a task in 7 days, how long will 14 machines take?

So, it is obvious that if the number of machines increases, the number of days taken to complete the task decreases; thus proving that this is an indirect / inverse proportion.

Let's take <em>x</em> as the number of days we need to find out.

 8 machines : 7 days

14 machines : <em>x</em> days

14 × <em>x </em>= 8 × 7

14<em>x </em>= 56

x = \frac{56}{14}

x = 4

4 0
2 years ago
A rocket was launched into the air from a podium 6 feet off the ground. The rocket path is represented by the equation h(t)=-16t
Arte-miy333 [17]

Answer:

60

Step-by-step explanation:

The given function is:

h(t)=-16t^2+120t+6

The average rate of change of h(t) from t=a to t=b is given by:

\frac{h(b)-h(a)}{b-a}

We can rewrite this function as: h(t)=-16(t-3.75)^2+231

The maximum height of the rocket is 231 and it occurs at t=3.75

\implies h(3.75)=231

The initial launch occurs at: t=0

and h(0)=-16(0)^2+120(0)+6=6

The average rate of change from the initial launch to the maximum height is

\frac{h(3.75)-h(0)}{3.75-0}=\frac{231-6}{3.75-0} =60

6 0
3 years ago
In the number 252 the 2 in the ones place is ____the value of the 2 in the hundreds place
castortr0y [4]

The value of the 2 in the hundreds place is 200.

The value of the 2 in the ones place is 2.

Hope it helped! :)

7 0
2 years ago
28+87 divided by 3•2 to the third power
erica [24]

Answer: =86

Step-by-step explanation:

* Hopefully the picture helps:) Mark me the brainliest:)

<em>∞ 234483279c20∞</em>

4 0
3 years ago
Read 2 more answers
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