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MrMuchimi
4 years ago
13

a rectangle's perimeter and its area have the same numerical value. the width of the rectangle is 3 units. what is the length of

the rectangle in units
Mathematics
1 answer:
Whitepunk [10]4 years ago
3 0
The length of the rectangle is 6 units
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Can someone please help?
kifflom [539]
Standard form means, move the variables to the left-hand-side and leave the constant all by herself on the right-hand-side, usually sorting the variables, so"x" goes first.

now, there's a denominator, we can do away with it, by simply multiplying both sides by the denominator, so let's do so,

\bf y=-\cfrac{2}{3}x+7\implies \boxed{3}\cdot y=\boxed{3}\cdot \left( -\cfrac{2}{3}x+7 \right)\implies 3y=-2x+21
\\\\\\
\stackrel{standard~form}{2x+3y=21}
5 0
4 years ago
52.5 of what is 8.82
pogonyaev
8.82 / 52.5
0.168

so 16.8% of 52.5 is 8.82
6 0
3 years ago
Let f(x)=x^2+x+1.<br> (a) Find f(2) f(x) + f(1).
Harlamova29_29 [7]

Answer:

a. y=7(x+0.5)^2+8.25

b. y=4(x+0.75)^2+0.75

c. the equation simplified is just f

d. f(f(x))=x^4+2x^3+4^2+3x+3

Hope tis helps

3 0
3 years ago
Find the greatest three digit number divisible by 12,18,24.
Karolina [17]

Your answer is 6.

6*2=12

6*3=18

6*4=24

5 0
3 years ago
Ming says that 0.24 &gt; 14 because 0.24 = 24. Which best explains Ming's error?
BartSMP [9]
Ming forgot about the decimal in front of the 24 which would be 2400/100, but .24 < 14 because 1400/100 > 24/100
5 0
3 years ago
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