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laila [671]
3 years ago
7

(7k^4)(3k^9) what is the answer to this problem

Mathematics
2 answers:
Anna [14]3 years ago
6 0

Answer:

21k ^13

Step-by-step explanation:

sergey [27]3 years ago
4 0

Answer:

21k^13

Step-by-step explanation:

when multiplying two variables that are raised to different powers you multiply the coefficient 7x3=21, then add the powers, 9+4=13 and you get 21k^13

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Volume and Surface Area<br><br> Math help 100 points
kondor19780726 [428]
Part 1) we have that
volume smaller solid=512 cm³
volume larger solid=2197 cm³

we know that
volume larger solid=[scale factor]³*volume smaller solid
scale factor=∛[volume larger solid/volume smaller solid]
scale factor=∛[2197/512]-----> scale factor=1.625


Part 2) 
the ratio of the surface areas is equal to [scale factor]²
1.625²-------> 2.64

Part 3)
surface area smaller solid=960 cm²
then
surface area larger solid=scale factor²*surface area smaller solid
surface area larger solid=[1.625]²*960-----> 2535 cm²
 surface area larger solid is  2535 cm²


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3 years ago
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Paladinen [302]

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Step-by-step explanation:

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Answer:

http://www.classzone.com/science_book/mls_grade6_FL/540_547.pdf

Step-by-step explanation:


7 0
4 years ago
A box contains 13 red hats, 15 white hats, 18 blue hats, and 14 brown hats. Nina randomly chooses a hat from the box.
bazaltina [42]

13 + 15 + 18 +14 = 60 total hats

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60-15 = 45 hats that are not white

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4 0
3 years ago
The above figure is a special trapezoid. Explain the relationship between the m∠B and m∠C.
Mekhanik [1.2K]

Answer:

They are supplementary

Step-by-step explanation:

Since AB and DC are parallel, then the alternate interior angles are congruent because there is transversal cutting the parallel lines (BC). So m<B is supplementary to m<C

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