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dybincka [34]
2 years ago
13

Given that f(x) = 2x − 5, find the value of x that makes f(x) = 15. (5 points)

Mathematics
1 answer:
Marina86 [1]2 years ago
4 0
Plug each one in. you will find that x need to equal 10 to get f(x) to equal 15
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Factor completely x3 − 2x2 − 5x + 10.
Akimi4 [234]

Answer:

(x-2) (x^2 -5)

Step-by-step explanation:

x^3 − 2x^2 − 5x + 10

We will factor by grouping

Take and x^2 out of the first two terms and  -5 out of the last two terms

x^2 (x-2) -5(x-2)

Now we can factor out (x-2)

(x-2) (x^2 -5)

5 0
3 years ago
un cine tiene 2 salas la sala A tiene 1920 butacas distribuidas en 24 filas con la misma cantidad en cada una ¿cuantas butacas t
Svetlanka [38]

Answer:

80 and B is 96

Step-by-step explanation:

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1920 ÷ 20 = 96

puedes comprobarlo en la calculadora

lo siento si es incorrecto

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3 0
3 years ago
12-3m=4+5/m <br> HELPPPP
Kipish [7]
M1= 5 , M2=1

Explanation:

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8m-3m^2=5
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3m=3
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6 0
3 years ago
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+5+4+2-54+39+0+020+3+4+4+2+5+6+7+7+8+8=
lesya [120]

Answer:70

Step-by-step explanation:

8 0
3 years ago
Write 863.141 in expanded form (THESE ARE DECIMALS)
harina [27]
<span><span>800 </span><span>+60 </span><span>+3 </span><span>+ 0.1</span><span>+ 0.04</span><span>+ <span>0.001
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