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loris [4]
2 years ago
5

Which ratios are equivalent to 2:5?

Mathematics
1 answer:
Dimas [21]2 years ago
7 0
Suppose the first number of the ratio is x and the second number is y. The current ratio is x:y. Now to solve the ratio, 5 divided by 2 equals 2.5 meaning the equation is 2.5x=y. Plug in any number to the x value and follow the equation and plug it into x:y to list all equivalent ratios.
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An airplane travels 6200 kilometers against the wind in 8 hours and 6840 kilometers with the wind in the same amount of time. Wh
lubasha [3.4K]

Answer:

still air = 815, wind = 40

Step-by-step explanation:

x+y=against

x-y=with

8(x+y)=6200

8(x-y)=6840

Divide 8.

x-y=775

x+y=855

Subtract. 2 from 1

2y=80

y=40

x=815

Hope this helps plz hit the crown :D

4 0
3 years ago
Evaluate k(x) = -k - 7 when k(-4)
FinnZ [79.3K]

Answer:

I'm not sure but i think that it's

x= -7

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8 0
2 years ago
Jocelyn estimates that a piece of wood measures 5.5 cm. If it actually measures 5.62 cm, what is the percent error of Jocelyn’s
laiz [17]

Answer:

A

Step-by-step explanation:

|((experimental - theoretical) / theoretical)| x 100

5.5 - 5.62 / 5.62 = -.0213

|-.0213| = .0213

.0213 x 100 = 2.13


8 0
3 years ago
Hey guys <br><br>what is 10+12-34+68-4778855+5676+77-6865666+3456-7658×45×23+35566÷79997 = ?​
elena55 [62]

Answer:

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Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Considerando las siguientes variables a = ancho y l = longitud, determina su valor, si se sabe que se cuenta con un rectángulo q
kogti [31]

Answer:

La longitud = 7 metros

La anchor = 10.5 metros

Step-by-step explanation:

La fórmula para el perímetro de un rectángulo es

P = 2L + 2W

L = longitud

A = ancho

P = 35 metros

se sabe que el doble de su ancho es igual a 3 veces su largo.

2A = 3L

Ancho = 3L / 2 = 1.5L

Sustituimos 1.5L por W

35 = 2 L + 2 (1.5 L)

35 = 2L + 3L

35 = 5 litros

L = 35/5

L = 7 metros

Por lo tanto, la longitud = 7 metros

Recuerda

A = 1.5 L

A = 1.5 × 7

A = 10.5 metros

La anchor = 10.5 metros

8 0
3 years ago
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