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3 years ago

Find the area of the shaded region.

Mathematics

2 answers:

Harlamova29_29 [7]3 years ago

7 0

So you would need to subtract the area of the whole rectangle-the white area of the rectangle
The formula for area is a=bh
the area of the whole rectangle is a=8*5, so 40units squared, and the are of the non-shaded region is a=3*2 so 6 units squared
in order to find the shaded region, do 40-6
34 units squared is your answer
hope this helps!:)

andriy [413]3 years ago

3 0

8x5 = 40
3x2 = 6

40 - 6 = 34

answer:
area of shaded = 34

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Step-by-step explanation:

We need to solve the problem: $2\frac{1}{4}(4x-1)=1\frac{3}{5}(1+4x)$

Solving:

$2\frac{1}{4}(4x-1)=1\frac{3}{5}(1+4x)\\\frac{9}{4}(4x-1)=\frac{8}{5}(1+4x)\\9x-\frac{9}{4}=\frac{8}{5}+\frac{32x}{5}$

Add 9/4 on both sides:

$9x-\frac{9}{4}+\frac{9}{4}=\frac{8}{5}+\frac{32x}{5}+\frac{9}{4}$

$9x=\frac{8}{5}+\frac{9}{4}+\frac{32x}{5}\\9x-\frac{32x}{5}=\frac{8}{5}+\frac{9}{4}\\\frac{9x*5-32x}{5}=\frac{8*4+9*5}{20}\\\frac{45x-32x}{5}=\frac{32+45}{20}\\\frac{13x}{5}=\frac{77}{20}\\x=\frac{77}{20}\times \frac{5}{13}\\x=\frac{77}{4*13}\\x=\frac{77}{52}$

So, Solving $2\frac{1}{4}(4x-1)=1\frac{3}{5}(1+4x)$ we get $x=\frac{77}{52}$

Keywords: Solving Fractions

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