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svp [43]
3 years ago
15

Which statement is not always true for a parallelogram?

Mathematics
1 answer:
vredina [299]3 years ago
7 0
The answer is a.opposite sides are congruent
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What is the best first step in solving the equation 3 + 36x = 5?
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Flip the question around. Ex: 36x = 5-3
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3 years ago
Geometry question!! 50 POINTS
Daniel [21]
Volume ratio is 686/250 = 2.74
Area ratio is
                                                                                                250 yd^3
radii?  First solid has vol 250 yd^3 = (4/3)*pi*r^3; find r^3  = --------------
                                                                                               (4/3)*pi

Then r^3 = 187.5 yd^3, and r = 5.724 yd

Second solid has vol 686 yd^3 ....  Please find the radius R using precisely the same method.

Then calculate the ratio of the surface areas of the 2 solids:

Solid 1 surface area        4*pi* R^2
----------------------------- = ---------------    where R is the radius of the larger 
Solid 2 surface area        4*pi*r^2        solid and r is the radius of the smaller
                                          
                                           R^2
This ratio comes out to   ----------
                                            r^2

Scale factor?  Obviously one solid is larger than the other.  We have to figure out by how much, by comparing volumes.  Actually, we've already done that (see above).  We could also determine how much larger R is than r.  That, too, would give us the scale factor.
3 0
3 years ago
Read 2 more answers
Divide 8 1/2 by the positive difference 4 4/5 and 7 7/10​
icang [17]

\\ \sf\longmapsto 8\dfrac{1}{2}\div \left(4\dfrac{4}{5}-7\dfrac{7}{10}\right)

\\ \sf\longmapsto \dfrac{17}{2}\div \left(\dfrac{24}{5}-\dfrac{77}{10}\right)

\\ \sf\longmapsto \dfrac{17}{2}\div\left(\dfrac{48-77}{10}\right)

\\ \sf\longmapsto \dfrac{17}{2}\div \left(\dfrac{29}{10}\right)

\\ \sf\longmapsto \dfrac{17}{2}\times \dfrac{10}{29}

\\ \sf\longmapsto \dfrac{17(10)}{2(29)}

\\ \sf\longmapsto \dfrac{170}{58}

\\ \sf\longmapsto \dfrac{85}{29}

\\ \sf\longmapsto 2\dfrac{27}{29}

7 0
3 years ago
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What is the function rule for the line?
pochemuha

Answer:

it's the 4th answer.

Step-by-step explanation:

yeah-ya...... right?

7 0
3 years ago
Harish has ruppees 80. he wants to buy toffees,8/5 ruppees. how many toffees can he buy?
Elodia [21]
U set up an equation: 80 x 8/5
Then u can cross multiply bc 5 goes into 80
It goes into 80 exactly 16 times
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Multiply that out and u get 128
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