Sasha makes a wooden base for a sculpture with the dimensions shown.
The sculpture is too heavy for the base, so she needs to add a brace from
point C to point E to make the base stronger.
How long does the brace need to be? Round your answer to the nearest tenth.
a) 3.4 ft
b) 4.6 ft
c) 5.4 ft
d) 9 ft
I NEED HELP

Step-by-step explanation:

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a 2.0 b5.0 c 4.0 d 9

Step-by-step explanation:

, and

for

step-by-step explanation:

we can analyze the pattern at which the terms increase. let us denote , , , so that we can call

note the following:

the pattern: to get the next term value, we just add the next term number (e.g. 1st, 2nd, to the previous term value (term values are the given numbers in the question, 1, 3, 6, 10, 15,

from , to get to , we add

from , to get to , we add

etc.

we need to form a recursive formula, a formula that has the next term as a function of the previous term. so a possible recursive formula can be

, and for

the answer is d

step-by-step explanation:

you can also use mathway to get you answer + steps