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erastova [34]
2 years ago
5

What is 2x+18 factored

Mathematics
2 answers:
Darina [25.2K]2 years ago
7 0

Answer:

2(x+9)

Step-by-step explanation:

2x+18

find the common number which can fit into 2x and 18

in this case the number is 2

so; 2(x+9)

Andrej [43]2 years ago
7 0

Answer:

2(x+9)

Step-by-step explanation:

2x+18

18/2 =9

2/2=1

so we can factor the 2

2(x+9).  (invisible 1 infront of the x)

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Question 3
Luden [163]
<h3>Answer: C) 25%</h3>

Explanation:

There are 7 blue out of 5+7+6+10 = 28 chips total.

7/28 = 1/4 = 25/100 = 25% is the probability of pulling out a blue chip.

3 0
3 years ago
Si X es una variable aleatoria de tipo continuo… ¿Es posible definir el índice de asimetría de Fisher? ¿Por qué?
Nana76 [90]

Answer:

Primero, para un caso discreto, el índice de asimetría de Fisher se calcula como:

\frac{\sum(xi - M)*n_i}{N*S_x}

Donde:

xi son los i-esimos distintos valores de nuestro conjunto de datos.

M es la media

N es el numero de datos

ni es la frequencia absoluta de cada xi

Sx es la desviacion tipica

Podemos ver que en el caso discreto, escribimos el coeficiente con una sumatoria, lo cual realmente no podemos hacer para una variable continua.

Lo que si podemos hacer para una variable continua, es una integral, donde como esta vez tenemos una variable continua, podemos definir una función:

f(X) = frequencia absoluta para X.

Y escribir el coeficiente como:

\frac{\int\limits^a_b {(X - M)*f(x)} \, dx }{N*S_x}

Entonces si, es posible definir el índice.

8 0
3 years ago
If the output of the equation f(x)=3x+7 is -2 what is the input and how do you solve it?
Kisachek [45]

-2 = 3x + 7

subtract 7 from both sides

-9 = 3x

divide by 3

-3 = x

check

-2 = 3 (-3) + 7

-2 = -9 + 7

-2 = -2

5 0
3 years ago
For a ride, a taxi driver charges an initial fare of $3.00 plus $2.00 for each 1 mile driven. If the total charge for a ride is
attashe74 [19]

Answer:

12 Miles

Step-by-step explanation:

27 - 3 = 24

24 ÷ 2 = 12

4 0
2 years ago
D) If C.P. - Rs 100, S.P. Rs 80, then loss percent​
AfilCa [17]

Step-by-step explanation:

Selling price = Rs.80

Cost price = Rs.100

here, CP > SP

Now...

Loss ( L ) = CP - SP

= RS.100 - 80

= Rs.20

Now...

loss \: percent \:  =  \frac{loss}{CP}  \times 100%

=  \frac{2000}{100}  \\

= 20 %

3 0
2 years ago
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