Tamir wants to rewrite 13+ 65 using the greatest common factor and the distributive

Mathematics

2 answers:

Nastasia [14]3 years ago

7 0

13. Greatest common factor means the largest number (greatest) you can divide (factor) into both numbers (common). So 13/13 is 1 and 65/13 is 5. The greatest common factor is 13.

Rom4ik [11]3 years ago

3 0

Answer:

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Step-by-step explanation:

the gcf of 13 and 65 is 13

13 + 65 can be rewritten using the gcf as

13( 1 + 5)

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The incline of a roller coaster is 2 times as long as its elevation, and the horizontal length of the roller coaster is 11 m mor

Gelneren [198K]

Let
x-------> the horizontal length of the roller coaster
y------> the elevation of the roller coaster
c------> the incline of a roller coaster

we know that
applying the Pythagoras theorem
c²=x²+y²-----> equation 1
c=2y-----> equation 2
x=11+y----> equation 3

substitute equation 2 and equation 3 in equation 1
[2y]²=(11+y)²+y²
4y²=11²+22y+y²+y²
2y²-22y-121=0

using a graph tool-----> to resolve the second order equation
see the attached figure

the solution is
y=15.026 m

c=2*y-----> c=2*15.026----> c=30.052 m

the answer is
30.05 m