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Annette [7]
3 years ago
11

the diagonals of a quadrilateral is 20 m in length and the perpendiculars to it from the opposite vertices are 8.5 m and 11m . F

ind the area of the quadrilateral
Mathematics
1 answer:
Deffense [45]3 years ago
4 0

Answer:

195

Step-by-step explanation:

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A=A^2-3(2/5bh) solve for h
Alexandra [31]

Answer:

h=\frac{5}{6b}(A^2-a)

Step-by-step explanation:

we have

a=A^2-3(\frac{2}{5}bh)

Solve for h

To "solve" means to find the value of a variable for which this equation is true

so

Isolate the variable h

Multiply by -1 both sides

-a=-A^2+3(\frac{2}{5}bh)

Adds A^2 both sides

A^2-a=\frac{6}{5}bh

Multiply both sides by 5/6

\frac{5}{6}(A^2-a)=bh

Divide by b both sides

h=\frac{5}{6b}(A^2-a)

6 0
4 years ago
I need help asap deadline 1600
Leviafan [203]
I know one answer would be negative association or negative correlation. But I’m not sure on the other answers. Hope this helps!
6 0
3 years ago
30 POINTS smart people only
stiv31 [10]
<span>Yes you're right.
The way to find out if functions are inverses of each other is to check and see if their composite functions are equal to x. Also make sure the functions are one to one functions.
(fog)(x)=f(g(x))=f(3/2x-9)
f(3/2x-9)=2/3(3/2x-9)+6
=(2/3)(3/2)x+(2/3)(-9/1)+6
=x-18/3+6
=x-6+6
I hope this helped! #Sobangcha
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3 years ago
Va rog macar 1 si 2 hai va rog frumos
gtnhenbr [62]

Answer:

can you translate to English

Step-by-step explanation:

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3 years ago
Raheem made a net of a triangular pyramid as shown.
Cerrena [4.2K]

Answer:

the answer is b

Step-by-step explanation:

i took the test it is b. The sum of the areas of faces A, B, and C.

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3 years ago
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