Answer:
• 72 ft²
Step-by-step explanation:
The bottom side length of the triangle is the difference between the top base length and the bottom base length:
13 ft - 5 ft = 8 ft
The vertical side length of the triangle is the same, because the triangle is an isosceles right triangle.
Since we know the base lengths and height of the trapezoid, we can use the usual formula for the area:
A = (1/2)(b1 +b2)h
= (1/2)(5 ft + 13 ft)(8 ft) = 72 ft²
Answer:
Blue Box / First answer choice
Step-by-step explanation:
Plug in d1:8.6 and d2:10.2 into d1 x d2/2 to find the area.
d1 x d2/2
8.6 x 10.2/2
87.72/2
Area=43.86
Answer:

Step-by-step explanation:
Use the sum-product pattern


Common factor from the two pairs


Rewrite in factored form


Answer:
4(4x + 5)
Step-by-step explanation:
4 goes into both 16 and 20.
4×4 is 16 and
4×5 is 20.
When factoring you put the nunber you factored out typically, in front. Then the remaining factor goes in a set of parenthesis.
This is like undoing distributive property.
16x + 20
= 4(4x+5)
Answer:

Step-by-step explanation:
-2 = 1½[-2] + b
-3
1 = b
y = 1½x + 1
** 1½ = 3⁄2
Perpendicular Lines have OPPOSITE MULTIPLICATIVE INVERSE <em>RATE</em><em> </em><em>OF</em><em> </em><em>CHANGES</em><em> </em>[<em>SLOPES</em>]:
-⅔ → 1½
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