So, the 2 equations would be.... B -12 = I and (B - 3) = 4(I - 3) the second sentence is irrelevant.
B - 3 = 4 (I) - 12
B - 3 = 4B - 48 - 12
B - 4B = -60 + 3
-3B = -57
B (Ben) = 19
Ishaan is 7
Hope this helps!
Answer:
£1372
Step-by-step explanation
20% vat:
- 20% of 15,600 is 3120
- 3120+15,600= 18720
so if she paid a deposit of 5000 she would have a remaining amount of 13,720 in total
13720 divided by 10 equals 1372 so her 10 payments would be £1372
Answer:
see explanation
Step-by-step explanation:
(1)
the sine of an angle = 
(a)
here the opposite is 12 and the hypotenuse is 13
12 is the side opposite ∠DEF ← required angle
(b)
the tangent of an angle = 
here the opposite is 5 and the adjacent is 12
∠DFE ← required angle
(2)
to calculate AB use Pythagoras' identity in the right triangle
AB² = 2² + 3² = 4 + 9 = 13, hence
AB =
≈ 3.6 ( to nearest tenth )
tanB =
⇒ B = 33.7°
tanA =
⇒ A = 56.3°
Answer:
D. 3y+1
Step-by-step explanation:
The coefficient is the number in front of the variable
3y has a coefficient of 3
3 ( y-6) has a factor of 3 since it is multiplied by the other term ( y-6)