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Tatiana [17]
3 years ago
10

You are selling tickets to a play. You have sold (3t+2) tickets for $5 each and (2t+5) tickles for $7each. Write an expression t

hat represents the total numbers of tickets sold so far. Then simplify the expression.
Mathematics
1 answer:
yKpoI14uk [10]3 years ago
5 0
Expression = 5(3t+2)+7(2t+5)
=15t+10+14t+35
=29t+45 is the answer
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zubka84 [21]

Answer:

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Step-by-step explanation:

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3 years ago
.¿Cuál de las siguientes alternativas no corresponde a una transformación isométrica? A)Traslación B) Simetría C) Rotación D) Is
Nina [5.8K]

Answer:

<em>D) Isometría</em>

Step-by-step explanation:

Hola, D es la respuesta correcta porque la isometría no es una transformación isométrica, veamos por qué.

Una Transformación Isométrica es el cambio de forma, pero no por tamaño ni forma de la figura.

A. La traslación es una transformación isométrica porque desliza la figura a otro lugar, sin afectar su forma o tamaño.

B. La simetría es una transformación isométrica porque técnicamente es un reflejo, una vez más no afecta el tamaño o la forma de la figura.

C. La rotación es una transformación isométrica porque gira la figura, sin afectar el tamaño o la forma de la figura.

E. La teselación es una transformación isométrica porque une la misma forma, sin afectar el tamaño o la forma de la figura.

Dejándonos con D.

7 0
3 years ago
Consider the following data points.
Hoochie [10]

Answer:

the equation of the least-squares line for the data is: \hat Y=9.3+1.3x

Step-by-step explanation:

In a simple linear regression model, such as, \hat Y=b_0+b_1x, the coefficients bo and b1 are estimated through the method of least squares by the use of the equations:

b_1=\frac{S{xy}}{S_x^2}\\\\b_0=\bar{y}+b_1 \bar{x}

For the data provided you have to:

S_{xy}=\frac{\sum {(x_i-\bar x)(y_i-\bar y)}}{n-1}=3.25\\\\S_x^2=\frac{\sum {(x_i-\bar x)^2}}{n-1}=2.5\\\\\bar y=5.4, thus:

b_1=\frac{3.25}{2,5}=1.3\\\\b_0=5.4+1.3(3.0)=9.3

the equation of the least-squares line for the data is:

Y=9.3+1.3x

8 0
3 years ago
Read 2 more answers
forty percent of the cases were monochromatic and the rest were variegated. if 2400 vases were variegated how many were monochro
Pavlova-9 [17]

Answer:

960 were monochromatic

Step-by-step explanation:

2400x.40=960

4 0
3 years ago
Charlie mows lawns in his neighborhood. He charges $15 per hour. Write an equation to model this situation. Then find out how
Ede4ka [16]

Answer:

He will earn $180 equation: M= money h = hours m = h15

Step-by-step explanation:

15 dollars times however many hours is equal to the money he earns, in this case 15 x 12 = 180

6 0
3 years ago
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