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4x-y=3 and 3x-2y=1. Solve these simultaneous equations to find values for x and y.

Equation 1: 4x-y=3  Equation 2: 3x-2y=1

We have to find a common multiple between 4 and 3 so that both equations have the same first value. This means that we can get rid of the x by subtracting th...

JH
Answered by Jami H. Maths tutor
10502 Views

What are the adaptations of alveoli to increase gas exchange?

Alveoli are folded to increase their surface area to volume ratio, so more volume of air can diffuse in from the blood and and in from the bronchioles. The lining of the alveoli walls are also moist so th...

LB
Answered by Lathesha B. Biology tutor
73846 Views

What does: "No me gusta el cerdo, pero sí la ternera" mean?

I dislike pork meat, but I like beef.

CM
Answered by Clara M. Spanish tutor
2247 Views

What does: "Marta tiene el pelo moreno" mean?

Marta has brunette hair. 

CM
Answered by Clara M. Spanish tutor
1970 Views

Find the first derivative of the line equation y=x^3 + 4

dy/dx = 3x^2

HF
Answered by Harry F. Maths tutor
3340 Views

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