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Amiraneli [1.4K]
4 years ago
15

Factor the expression completely.

Mathematics
1 answer:
netineya [11]4 years ago
3 0

Answer:

C. 2(2x + 3)(2x - 3)

Step-by-step explanation:

8 {x}^{2}  - 18 \\  = 2 \times 4 {x}^{2}  - 2 \times 9 \\  = 2(4 {x}^{2}  - 9) \\  = 2 \{( {2x})^{2}  - ( {3)}^{2}  \} \\  = 2(2x + 3)(2x - 3) \\

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3 years ago
Can someone help me with this i got the question wrong the first time so its not 7.50
Sedaia [141]

Answer: $7.6502

Step-by-step explanation:

Grape cost $1.19 per pound. 3.16 pounds are bought. The total amount paid for grape will be:

= $1.19 × 3.16

= $3.7604

Peaches cost $1.29 per pound. 1.35 pounds are bought. The total amount paid for peaches will be:

= $1.29 × 1.35

= $1.7415

Peers cost $0.99 per pound. 2.17 pounds are bought. The total amount paid for pears will be:

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Total bill paid will be:

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3 years ago
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tino4ka555 [31]
THat would be A , B, C and E
4 0
3 years ago
Este curso nuestro instituto tiene 473 alumnos. Si nos dicen que respecto al curso anterior se ha producido un aumento de inscri
tester [92]

Answer:

En el curso anterior había 430 alumnos.

Step-by-step explanation:

El curso tiene 473 alumnos. Nos dicen que respecto al curso anterior se ha producido un aumento de inscripciones del 10 %. Entonces, siendo x la cantidad de alumnos que había en el curso anterior, se puede plantear la ecuación:

x + 0.1*x= 473

Resolviendo se obtiene:

1.1*x=473

x= 473 ÷1.1

x= 430

<u><em>En el curso anterior había 430 alumnos.</em></u>

7 0
3 years ago
What is the factored form of the expression 9x^2 + 6x +1
liraira [26]

Answer:

(3x+1)^2

Step-by-step explanation:

4 0
3 years ago
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