Whole package weighs 20pounds
1.65 = 5pounds
0.12 = extra pound
3.45 - 1.65 = 1.80 : 0.12 = 15pounds
Adding up 15pounds and the first 5 pounds equal 20 pounds
Answer:
x=2
Step-by-step explanation:
i'm not sure how to do the modeling and the grouping part but here's the solve and check portion. I hope i helped a little!
solve;
3x=6 divide each side by 3 to isolate x
x=2
check;
plug 2 into x and see if the statement is true.
3(2)=6
6=6 true? yes.
The calculation for circumference is 2πr or 2 × π (pi=3.14) × radius of a circle
Since the diameter of this circle is 7cm, and the radius is half of the diameter, 7 ÷ 2 = 3.5
So, 2×3.14(π)×3.5=21.98
Answer:
(a) = 60
(b) = 70
Step-by-step explanation:
(a) Sum of all the angles of a triangle is 180
This is an equilateral Triangle
which means all the sides are equal since all the sides are equal that means all the angles are equal

(b) this is an isosceles triangle with two equal sides that means the two opposite angles are equal

Answer:
what do you need help with?
Step-by-step explanation: