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I am Lyosha [343]
3 years ago
5

Estimate product using compatible numbers 0.67 x 623

Mathematics
1 answer:
alekssr [168]3 years ago
8 0
It could possible be 417. 
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jen and sarah go to lunch at the Green Grill.Their meals total $28.00 .The tax is 6%.What is the total cost including tax?
nordsb [41]
6%=0.06

28(0.06)
= 1.68 ---> tax

28+1.68
= 29.68

Jen and Sarah spent 29.68 dollars including tax

I hope this answer helped you and have a wonderful day!
5 0
3 years ago
Read 2 more answers
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
Which coupon provides better value? <br> A) $25 off <br> B) %25 off
krok68 [10]
25$ because if you bout something that was 25$ 25$ off would make it free but 25% off would make it 6.25
7 0
2 years ago
Hector must find the sum of 50+83+50 by using mental math. Which property allows Hector to simplify the equation to 50+83+50 and
GenaCL600 [577]
I'm pretty sure it's commutative.
3 0
3 years ago
Read 2 more answers
How many cubes will it take to fill the bottom layer of this rectangular prism?
Alik [6]
The bottmo layer should be the same as the top layer sinc it is all squares

count the top
6 squares
answer is 6 squares
7 0
3 years ago
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