Answer:
101.5yd by 101.5yd size of wood
Step-by-step explanation:
Divide the ramp into its constituent shapes:
2 triangles( 3yd by 4.5yd by 5yd)
1st rectangle (the back) 3yd by 11yd
2nd rectangle (the front) 11yd by 5yd
- Find the area of the shapes
Area of triangles = 2 * (1/2*b*h) = 2 * (0.5 * 4.5 * 3) = 2 * 6.75 yd² = 13.5yd²
Area of back rectangle= 3 * 11 = 33yd²
Area of front rectangle = 11 * 5 = 55yd²
- Find the sum of the areas
13.5yd² + 33yd² + 55yd² = 101.5yd²
7y^3(3y^2-2)-(3y^2-2)
(3y^2-2)(7y^3-1)
Answer:
This above options makes the expression true.
- The negatives above can be distributed up as well, which happened in A.
- In E, when the negatives inside the bracket cancels out, the negative outside the brackets multiplies and makes the expression true.
- In B the expression turns positive, thus false same happens with C and D
Answer:
In the second problem, the first fraction is less than the second fraction.
If you subtract a lesser number from a greater number, the answer is positive.
If you subtract a greater number from a lesser number, the answer is negative.
Step-by-step explanation:
Hope this helps
Sorry if it was late
