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enyata [817]
3 years ago
7

Find the inverse of each function f(×)=(x+2)^2-1

Mathematics
1 answer:
Harlamova29_29 [7]3 years ago
8 0

Answer:

x = y^2 + 4y + 3

Step-by-step explanation:

f(x) = ( x + 2 )^2 - 1

y = ( x + 2 ) ^ 2 - 1

y = ( x^2 + 4x + 4 ) - 1

y = x^2 + 4x + 4 - 1

y = x^2 + 4x + 3

x = y^2 + 4y + 3

(switch from y to x and x to y)

I hope that helps!

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Twelve is 60% of which number? simplify​
Dmitrij [34]

Answer:

20

Step-by-step explanation:

60% is 3/5 as a fraction

so i divided 12 by 3 and got 4

to find the whole u times 4 by 5 equals 20

6 0
3 years ago
Help help help help help
vitfil [10]

Answer:

B

Step-by-step explanation:

Remark

If we draw a line from F to T, we can make a couple of statements.

Call the center of the circle O

1. <FTE = 1/2 the central angle of <FOE. The size of <FOE is the same size as the minor arc. Since The minor arc = 60 degrees, then FTE = 30 degrees.

2. <GTF = 1/2 78 by the same reasoning used above.  GTF = 39 because that is 1/2 of 78.

So the answer to the size of <T = 39 + 30 = 69 which is B

There is a much simpler way of doing this.

The central angle of the two arcs is 78 + 60 = 138

The <GTE is 1/2 the central angle

<GTE = 1/2 * 138 = 69

3 0
3 years ago
Match the numerical expressions to their simplest forms
zimovet [89]

I hope you did well on this question.

6 0
3 years ago
<img src="https://tex.z-dn.net/?f=6%20x%20-%202%20%5Ctimes%20%20%5Cfrac%7B1%7D%7B36%7D%20" id="TexFormula1" title="6 x - 2 \time
poizon [28]
6x-2*1/36
=6x-2/36
=6x-18
=x=18/6
=x=3
4 0
3 years ago
Toski is building a room that is 18 feet long and 14 feet wide. Construct a scale drawing of the shed. Use a scale of inch = 2 f
AURORKA [14]

Answer:

Option A is the answer

Step-by-step explanation:

Toski is building a room having length = 18 feet

Width of the room = 14 feet

Scale has been given as 1 inch = 2 feet

∵ 2 feet = 1 inch

∴ 1 feet = \frac{1}{2} feet

∴ 18 feet length of the room = \frac{18}{2}=9 inches

Similarly 14 feet width of the room = \frac{14}{2}=7 inch

Now we count the small blocks in the given options.

Option A has 9 blocks or 9 inches as the length of the room and 7 blocks or 7 inches as the width of the room.

Option A is the answer.

8 0
3 years ago
Read 2 more answers
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