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katen-ka-za [31]
3 years ago
10

What is another way to write 5 + 5 + 5 using a different operation?

Mathematics
2 answers:
DiKsa [7]3 years ago
5 0

Answer:

(5 X 5)-10

Step-by-step explanation:

Oksanka [162]3 years ago
3 0

Answer:

5*3

Step-by-step explanation:

because it is a different operation

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Create an expression that is equivalent to 8(x+5) without using parenthese
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Answer:

8x+40

Step-by-step explanation:

8(x+5)

Distribute

8*x +8*5

8x+40

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What is the answer to -(5-2)=
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-3

Step-by-step explanation:

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At a movie screening, there were 35 adults and 40 children. Using any ratio notation, write the ratio of adults to children.
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35:40 ; 35 to 40 ; 35/40

Step-by-step explanation:

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Which of the following is a solution of 3x^2=7x-3
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Una muestra aleatoria si 136 personas de 400 a quien se le aplica un nuevo medicamento experimentaron mejoría Desarrolla un inte
Rudiy27

Answer:

Intervalo de confianza

= (0.294, 0.386)

Step-by-step explanation:

La fórmula para el intervalo de confianza para la proporción se da como

p ± z × √p (1 - p) / n

Donde p = x / n

De donde de la pregunta anterior

x = 136 personas

n = 400 personas

p = 136/400

p = 0.34

z = puntuación z del intervalo de confianza del 95% = 1.96

Por lo tanto,

Intervalo de confianza =

0.34 ± 1.96 × √0.34 (1 - 0.34) / 400

= 0.34 ± 1.96 × √0.34 × 0.66/400

= 0.34 ± 1.96 × √0.000561

= 0.34 ± 1.96 × 0.0236854386

= 0.34 ± 0.0464234596

Intervalo de confianza

= 0.34 - 0.0464234596

= 0.2935765404

= 0.34 + 0.0464234596

= 0.3864234596

Hence:Intervalo de confianza

= (0.294, 0.386)

3 0
3 years ago
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