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gulaghasi [49]
3 years ago
14

E is between D and F. Find DF. PLEASE HELP, PICTURE PROVIDED— DUE TMMR

Mathematics
1 answer:
german3 years ago
6 0

Answer:

24

Step by-step explanation:

6x=3x-1+13

common like terms (-1+13)

6x=3x+12

subtract 3x on both sides

3x=12

divide 3x on both sides

x=4

insert 4 into equation 6*4=24

3(4)-1+13=24

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Flor tiene una papelería y vende los lápices en $12 y los bolígrafos en $20. ¿Qué expresión algebraica permite saber cuánto debe
stiks02 [169]

Answer:

c=120x+200y

Step-by-step explanation:

La expresión algebraica debería indicar que el valor total que debe cobrar Flor es igual a 10 que representa el número de bolsas por el resultado de la suma del precio de cada item por la cantidad, lo que se puede expresar de la siguiente forma:

c=10(12x+20y)

c=120x+200y

De acuerdo a esto, la expresión algebraica que permite saber cuánto debe cobrar Flor por 10 bolsas que contengan x cantidad de lápices y "y" cantidad de bolígrafos es c=120x+200y.

7 0
3 years ago
the cost (in dollars) of making n birthday cakes is represented by C= 24n + 35. How many birthday cakes are made when the cost i
bagirrra123 [75]

Answer:

n= 16

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
A city currently has 125 streetlights. As part of a urban renewal program, the city council has decided to install 2 additional
SVEN [57.7K]

Answer:

213

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3 0
3 years ago
Aliaa is skating down a ramp. The wheels on her skateboard have diameters of 60 mm.
Dahasolnce [82]

Answer:

3770 mm.

Step-by-step explanation:

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Now for one revolution of the wheels, they cover the distance of 2\pi *30mm=188.5mm. on the ground.

For 20 revolutions, the distance covered will be 20 times this.

Thus

Distance\: covered =188.5*20=\boxed{3770mm}

Which is our answer.

7 0
4 years ago
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