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Korolek [52]
3 years ago
9

*5 POINTS* plz help i need both of them

Mathematics
1 answer:
yuradex [85]3 years ago
7 0

Answer:

see explanation

Step-by-step explanation:

(a)

(f + g)(x) = f(x) + g(x)

f(x) + g(x) = 6x - 2 + 2x + 4 = 8x + 2

(b)

(f - g)(x) = f(x) - g(x)

f(x) - g(x) = 6x - 2 - (2x + 4) = 6x - 2 - 2x - 4 = 4x - 6

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A car travels 76 km in 47 minutes.
Mumz [18]

Answer:

97km/h to 1dp

Step-by-step explanation:

47mins is 0.783 of an hour

76km/0.783 = 97.0212km/h

3 0
3 years ago
I need help on this hurry please
julsineya [31]

Answer:

x=70

Step-by-step explanation:

sum is angles of a Pentagon=540°

x°+138°+2x°+80°+112°=540°

3x°+330°=540°

3x°=540°-330°

3x°=210°

3x°/3°=210°/3°

x=70

hope this is helpful

3 0
3 years ago
Is the function Quadratic?<br> x 1 2 3 4 5<br> y 0 3 8 15 24<br><br> No<br><br> Yes
nevsk [136]
The answer is No.................
3 0
3 years ago
-3b-75=0 I need 2 solutions
stich3 [128]

Answer:

-25

Step-by-step explanation:

-3b-75=0

    +75 +75

-3b=75

/-3    /-3

b=-25

There isn't 2 solutions

---

hope it helps

6 0
2 years ago
8. If BD=BC, BD = 5x -26, BC = 2r + 1, and AC = 43, find AB.
charle [14.2K]

Answer:

24

Step-by-step explanation:

BD=DC

5x-26=2x+1

5x-2x=1+26

3x=27

x=9

BC=2x+1

=2*9+1

BC =19

so AB=AC-BC

AB=43-19

AB=24

8 0
3 years ago
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