Answer:

Step-by-step explanation:
First we need to find the common denominator of 8 and 12, which is 24.
Next we rewrite our fractions:

This cannot be reduced.
Answer:
4cm
Step-by-step explanation:
The formula for area of a triangle is hxb/2 so plug in the the area so the equation looks like hx5/2=10 and you get 4 for height
Once again similar traingles.
With same ratioes as before.
RS/RT = RV/RU=SV/TU = 1/2
Find the greatest common factor which is 9
9(9x^2-3x-2) and then factor the equation in the parenthesis
so the factored equation will be 9(3x+1)(3x-2)
Answer:
The number 312 lies between the perfect cubes 216 and 343.
So the cube root of 312 lies between the number 6 and 7.
This means that the cube root of 312 is an irrational number because it is not a perfect cube root.
Step-by-step explanation: