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olasank [31]
3 years ago
9

Combine the like terms to create an equivalent expression. 10k+1+8k+2

Mathematics
2 answers:
Margarita [4]3 years ago
8 0
10k+8k+1+2
18k+3
The answer is 18k+3
o-na [289]3 years ago
7 0
Once you combine like terms you are left with 18k +3.
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(HELP ASAP)In the figure, if OQ is the angle bisector of ∠POR, find m∠POQ.
umka21 [38]

Answer:

61°

Step-by-step explanation:

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6 0
3 years ago
En una hoja de papel cuyo perímetro es de 96 centímetros, se quiere imprimir un volante de manera que el área impresa sea un rec
elixir [45]

Answer:

El perímetro de la región impresa es 72 cm y su área es 288 cm².  

Step-by-step explanation:

1. Tenemos el perímetro de la hoja de papel:

P₁ = 96 cm = 2l₁ + 2a₁  (1)  

Como sabemos el margen superior, inferior, izquierdo y derecho podemos encontrar la relación entre el largo y ancho del rectángulo interno (región impresa) con el largo (l) y ancho (a) del rectángulo externo (hoja de papel):      

l_{2} = l_{1} - (m_{s} + m_{i}) = l_{1} - (3 cm + 2 cm) = l_{1} - 5 cm  (2)            

a_{2} = a_{1} - (m_{d} + m_{iz}) = a_{1} - (2 cm + 5 cm) = a_{1} - 7 cm   (3)    

El perímetro del rectángulo interno es:

P_{2} = 2l_{2} + 2a_{2}    (4)

Introduciendo la ecuación (2) y (3) en (4):

P_{2} = 2l_{2} + 2a_{2} = 2(l_{1} - 5 cm) + 2(a_{1} - 7 cm) = 2l_{1} + 2a_{1} - 10 cm - 14 cm = 96 cm - 24 cm = 72 cm  

Por lo tanto el perímetro del rectángulo interno (región impresa) es 72 cm.

 

2. Ahora para encontrar el área rectángulo interno debemos encontrar el largo y ancho del mismo, sabiendo que:

l_{2} = 2a_{2}     (5)

Introduciendo (5) en (4):

P_{2} = 2l_{2} + 2a_{2} = 2*2a_{2} + 2a_{2} = 6a_{2}

a_{2} = \frac{P_{2}}{6} = \frac{72 cm}{6} = 12 cm

l_{2} = 2a_{2} = 2*12 cm = 24 cm

Entonces el área es:

A_{2} = l_{2}*a_{2} = 12 cm*24 cm = 288 cm^{2}

Por lo tanto el área del rectágulo interno (región impresa) es 288 cm².      

Espero que te sea de utilidad!  

7 0
3 years ago
Instructions: Find the area of the sector. Round your answer to the nearest tenth.
likoan [24]

Answer:

75.7m^2

Step-by-step explanation:

\frac{30}{360}  \times \pi {r}^{2}  \\  \frac{30}{360}  \times  \frac{22}{7}  \times  {17}^{2}  \\  \frac{1}{12}  \times  \frac{22}{7}  \times 289 \\ 75.6904761905 = 75.7

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3 years ago
Hey guys! Please answer/explain part B of this problem to me. THANK YOU <3
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So, you go to the y axis and find 40 meters on the graph. Then, you go across to find out that x (time in seconds) is 20 seconds. So, in 20 seconds Tom walks 40 meters.
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4 years ago
What is − 3 ( − 2 ) ( − 4)
arlik [135]

Answer:

-24

Step-by-step explanation:

3 0
3 years ago
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