2 answers:
Answer:
x = 13.08 ft
Step-by-step explanation:
We need to use pythagoras theorem as this is a right angled triangle:

As we do not know one of the sides, we need to change the subject of the equation to either a or b:

Substitute the values in:


Now square root both sides to find b:

b = 
b = 13.08
x = 13.08 ft
Hope this helps!
Answer:
13.1 (3sf)
Step-by-step explanation:
14 ^2 - 5^2 = 171
root 171 = 13.1 (3sf)
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Since they are congruent, cpctc,
just set the congruent parts equal to each other.
so 2x-20=30
and
15=3y-9
2.072/5.6= 0.37
77.2- 43.778= 33.422
Hope this helps!
~LENA~
Answer:
Sofia measures the length of her car as 16 feet.
What is the greatest possible error?
<h2> ⇒ 0.5 feet
</h2>
What is the margin of error?
<h2> ⇒ 15.5 TO ⇒ 16.5 feet</h2>
Step-by-step explanation:
Note that

and

Then their LCM is
.
Answer:
28+14.50+524.50+13.25= 580.25
Step-by-step explanation:
Add it all together.