Picture question middle school math
1 answer:
Answer:
<h2>Step-by-step explanation:
<h3>to understand this</h3><h3>you need to know about</h3>- area of triangles
- area of rectangle
- PEMDAS
- rectangle opposite sides are equal
- area of rectangle:l×w
- area of triangle:½×h×b
the area of the rectangle is
4×7 in²
28 in²
the area of above triangle is
½×6×7 in²
3×7 in²
21 in²
the area of left side triangle is
½×5×4 in²
2×5 in²
10 in²
therefore,
the area of the polygon is
28+21+10 in²
<h3>59 in²</h3>
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Answer:
y = 4
Step-by-step explanation:
An exponential function in standard form is
y = a
Use ordered pairs from the table to find a and b
Using (0, 4), then
4 = a ( note that
= 1 ), so
a = 4, then
y = 4
Using (1, 8)
8 = 4 = 4b ( divide both sides by 4 )
b = 2
y = 4 ← represents the values in the table