Hope it help youuuuuuuuu <3
Answer:
a. 35
b. 13
Step-by-step explanation:
a. x/5= 7
Cross Multiplication
x= (7)(5)
x= 35
b. x/2= 6.5
Cross Multiplication
x=(6.5)(2)
x=13
Your answer is A!
⭐ Please consider brainliest! ⭐
✉️ If any further questions, inbox me! ✉️
Yeah if it’s already answered then ima take those points, sorry not sorry g
Answer:
Step-by-step explanation:
Given
Fireplace is in the form of semi-ellipse with height of 3 ft from center
Length of base=8 ft
if the arch is in the form of ellipse then it can be considered as horizontal ellipse with 2 a and 2 b be length of major and minor axis
2 a =8
a=4 ft
If contractor cover the whole base
then total length of string=2a =8 ft
(b)String should be nailed at focus
focus of ellipse is a e
where e=eccentricity


Focus 
Thus string should be nailed at 2.64 m from center