alice9520 alice9520

11-02-2021
Mathematics

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Math help: Variables
I need help solving these two questions, explanations would be greatly appreciated.

Math help Variables I need help solving these two questions explanations would be greatly appreciated class=

Respuesta :

adioabiola adioabiola

16-02-2021

Answer:

1. h = 11 cm

2. d = 220 km

Step-by-step explanation:

1. A = 1/2bh

Where,

A = 66 cm²

b = 12 cm

A = 1/2bh

66 = 1/2 * 12 * h

66 = 6h

h = 66/6

h = 11 cm

2. s = d/t

Where,

s = 110 km/h

t = 2h

s = d/t

110 = d/2

Cross multiply

110 * 2 = d

d = 220 km

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