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Ugo [173]
2 years ago
9

Need help , due tomorrow. Plz give all correct answers for brainliest answer

Mathematics
1 answer:
velikii [3]2 years ago
4 0
1, 2, 3, 5, and 7 are all functions. 4, 6, 8, and 9 are not functions.
You might be interested in
The defeintion of equivalent ratios
Hitman42 [59]
Tow ratios that have the same value when simplified.


Hope this helps!!;)
8 0
3 years ago
Radius of the circle is 8cm, find the volume and surface area
nasty-shy [4]

Answer:

am not sure but I think the answer is79.02

4 0
2 years ago
Given that f(x) = x2 + 1 and g(x) = -3, multiply the functions (gºf)(x).
stich3 [128]

Answer:

(g\cdot f) =  -3x^2-3

Step-by-step explanation:

f(x) = x^2 + 1

g(x) = -3

The problem state to multiply the function f and g so the symbol seems to be incorrect.

We actually want to calculate

g(x)  f(x) =gf(x) =  (-3)  \cdot (x^2+1)= -3x^2-3

Note

g\circ f(x)=g(f(x))=g(x^2+1)=-3

3 0
2 years ago
The total cost of a shirt and a pair of pants was
jok3333 [9.3K]

Answer:

$38.54

Step-by-step explanation:

S+(S+$7.24)=$84.32

Step 1. 84.32-7.24=77.08

Step 2. 77.08÷2=38.54

6 0
2 years ago
Please answer! it's more complicated than it looks!​
kifflom [539]

Answer:

1. 360

2. Yes because in a regular hexagon all angles are congruent so the exterior angles are as well

3. (i) 60 (ii) 120

4.

(i) 1. 360 2. Yes because in a regular octagon all angles are congruent so the exterior angles are as well 3. (i) 45 (ii) 135

(ii) 1. 360 2. Yes because in a regular 20-gon all angles are congruent so the exterior angles are as well 3. (i) 18 (ii) 162

Step-by-step explanation:

Works for each polygon

1. First take the number of sides and subtract it by 2 then multibly that by 180

6-2=4x180=720

Then divide by the number of angles and subrtact that number by 180 to find the measure of one exterior angle

720/6=120

180-120=60

Then multiply by the number of exterior angles

60x6=360

2. Regular polygons always have equal angles so the exterior angles are as well

3. Put in your numbers from earlier

(i) 60 (ii)120

Hope this helps! :)

P.S. Feel free to mark brainliest :)

6 0
2 years ago
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