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iren [92.7K]
3 years ago
11

Simplify 5x2(5x2− 3x − 1).

Mathematics
2 answers:
Leya [2.2K]3 years ago
4 0
I think the answer would be 25x^4-15x^3-5x^2
BaLLatris [955]3 years ago
3 0
The answer to your problem is........... 60..... i think :)
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Step-by-step explanation:

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Which is the only fraction that must be represented by a nonterminating decimal?
Aleks04 [339]
A is incorrect - In decimal form, 7/5 is 1.4

B is incorrect - In decimal form, 7/4 is 1.75

D is incorrect - In decimal form, 7/2 is 3.5

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Factor 15x + 35 using the GCF.
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2 years ago
Pedro compró un minigimnasio para ejercitarse
Contact [7]

Answer:

Pedro pagó $448

Step-by-step explanation:

Sea P el precio inicial de un objeto.

Si aplicamos un descuento del X%, entonces el nuevo precio del objeto es:

NP = P*(1 - X%/100%)

y lo que estamos ahorrando es:

P - NP

En este caso, primero tenemos un descuento del 30%, entonces:

NP = P*(1 - 30%/100%) = P*(1 - 0.3)

Luego tenemos otro descuento, esta vez del 20%, entonces:

NP' = NP*(1 - 20%/100%) = P*(1 - 0.3)*(1 - 20%/100%) = P*(1 - 0.3)*(1 - 0.2)

Lo que Pedro ahorra es igual a $352

entonces:

P - NP' = $352

P -  P*(1 - 0.3)*(1 - 0.2) = $352

P*(1 - (1 - 0.3)*(1 - 0.2)) = $352

P*(1 - 0.56) = $352

P = $352/(1 - 0.56) = $800

Esto significa que el precio original era $800.

Y lo que pedro pago esta dado por la ecuación:

NP' = P*(1 - 0.2)*(1 - 0.3) = $800*(1 - 0.2)*(1 - 0.3) = $448.

8 0
2 years ago
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