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Phantasy [73]
3 years ago
14

the perimeter of parallelogram ABCD is 78 cm. AD is more than twice AB. find the lengths of all four sides of ABCD.

Mathematics
1 answer:
diamong [38]3 years ago
6 0
AD is the width side of the perimeter is 78
So they said AD is more than twice AB
78 multiply 2= 156
You have 2 width 78+78
You have 2 length 156+156
Add four sides together
Hope this help you!
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PLEASE HELP, WILL GIVE BRAINLIEST!!!!!
yaroslaw [1]

Answer:

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* I might be wrong * I'M NOT A MATH TEACHER. MAKE ANY CHANGES WHEN NECESSARY.

All the best,

8 0
3 years ago
-10=2(-3x + 1)
Delicious77 [7]
Ballance method is just a fance method of helping you remember to DO THE SAME THING TO BOTH SIDES OF AN EQUATION to keep it ballanced


-10=2(-3x+1)
divide BOTH SIDES by 2 to get rid of that 2 in front
-5=-3x+1
minus BOTH SIDES 1
-6=-3x
divide BOTH SIDES by -3
2=x


-x-7=-12
add7 BOTH SIDES
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4 0
3 years ago
Back of last questions answer as many as possible
daser333 [38]

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3 0
3 years ago
Rationalize the denominator of square root of negative 9 over open parentheses 4 minus 7 i close parentheses minus open parenthe
AlekseyPX
The answer is
\frac{-6i-3}{5}.

Before we rationalize the denominator, we must simplify the numerator and denominator.  We evaluate the square root on the top, and combine like terms on the bottom:
\frac{\sqrt{-9}}{(4-7i)-(6-6i)}
\\
\\=\frac{\sqrt{9i^2}}{4-6-7i--6i}
\\
\\=\frac{3i}{-2-i}

To rationalize the denominator, we multiply by the conjugate.  The conjugate is found by making the imaginary term of the complex number, the i part, the opposite sign.  The conjugate of -2-i is -2+i:

\frac{3i}{-2-i}\times \frac{-2+i}{-2+i}
\\
\\=\frac{3i(-2+i)}{(-2-i)(-2+i)}
\\
\\=\frac{3i\times -2 + 3i\times i}{-2\times -2 + -2\times i + -2\times -i + -i\times i}
\\
\\=\frac{-6i+3i^2}{4-2i+2i-i^2}
\\
\\=\frac{-6i+3(-1)}{4-i^2}=\frac{-6i-3}{4-(-1)}=\frac{-6i-3}{5}
7 0
3 years ago
Find the zero of f (x-5) (-x to the second power +3x-3)
FromTheMoon [43]

Answer:

1 =x-5 = as pytanerosa tery says

23

Step-by-step explanation:

6 0
3 years ago
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