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il63 [147K]
3 years ago
10

Using benchmarks to measure length of a car customary unit

Mathematics
1 answer:
liq [111]3 years ago
7 0
What this question I did not get
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I've been trying to get an answer for this all day and don't know where to begin what is the answer like I have no clue ​
Shtirlitz [24]

so, we have two 54x18 rectangles, so their perimeter is simply all those units added together, 54+54+54+54+18+18+18+18 = 288.

we know the circle's diameter is 1.5 times the width, well, the width is 18, so the diameter of the circle must be 1.5*18 = 27.

\bf \stackrel{\textit{circumference of a circle}}{C=d\pi }~~ \begin{cases} d=diameter\\[-0.5em] \hrulefill\\ d=27 \end{cases}\implies C=27\pi \implies C=\stackrel{\pi =3.14}{84.78} \\\\[-0.35em] ~\dotfill\\\\ \stackrel{\textit{perimeter of the rectangles}}{288}~~~~+~~~~\stackrel{\textit{perimeter of the circle}}{84.78}~~~~=~~~~372.78

6 0
3 years ago
I need help with #28-31 please
Aliun [14]
(28) 2x+10+x-4=21
(29) 3x-16+4x-8=60
(30) 2x-8+3x-10=17
6 0
3 years ago
There are 15 kittens at the animal shelter, and i want to adopt 2 of them. How many different pairs of 2 are there?
Juli2301 [7.4K]
7

Hope this helped hope you have a good day
8 0
3 years ago
Compute show all of your work: 8X4-4/2+1
Pepsi [2]
8*4-4/2+1    
32-4/2+1
32-2+1
=31 answer 
So, the answer to this question is 31

5 0
3 years ago
I need some help!! plss
3241004551 [841]

Answer:

250

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
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