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riadik2000 [5.3K]
3 years ago
8

I already did the work but i need someone to check it for me

Mathematics
1 answer:
Basile [38]3 years ago
6 0
Yes it correct.............
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an electronics company is designing a watch with a face that is in the shape of a hexagon and two congruent trapezoids attached.
Aleksandr-060686 [28]

Answer:

Step-by-step explanation:

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1 year ago
√4x+9 = 1-√2 giải phương trình
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Step-by-step explanation:

here's the answer to your question

4 0
2 years ago
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Bob and James are finishing the roof of a house. Working alone, Bob can shingle the roof in 14 hours. James can shingle the same
Snowcat [4.5K]

we know that Bob can do the whole job in 14 hours, how much of the work has he done in 1 hour only?  well since he can do the whole lot in 14 hours in 1 hour he has only done 1/14 th of the job.

we know that James can do it in 18 hours, a bit slower, so in 1 hour he has done only 1/18 th of the job.

let's say it takes both of them working together say "t" hours, so in 1 hour Bob has done (1/14) of the work whilst James has done (1/18) of the work, the whole work being t/t or 1 whole, so for just one hour that'd 1/t done by both Bob and James.

\bf \stackrel{Bob}{\cfrac{1}{14}}~~+~~\stackrel{James}{\cfrac{1}{18}}~~=~~\stackrel{total~for~1~hour}{\cfrac{1}{t}} \\\\\\ \stackrel{\textit{using an LCD of 126}}{\cfrac{9+7}{126}=\cfrac{1}{t}}\implies \cfrac{16}{126}=\cfrac{1}{t}\implies 16t=126\implies t=\cfrac{126}{16} \\\\\\ \stackrel{\textit{7 hrs, 52 minutes and 30 seconds}}{t=\cfrac{63}{8}\implies t=7\frac{7}{8}}\implies \stackrel{\textit{rounded up}}{t=7.88}

7 0
3 years ago
Y = 2x + 3 find f(0)
vichka [17]

If y=2x+1 then that means f(x)=2x+3 and when you plug in x=0 you get f(0)=2\cdot0+3=\boxed{3}.

Hope this helps :)

5 0
2 years ago
Read 2 more answers
Solve equation.<br> 2x-5y=20
Novay_Z [31]
If you solve for x you get:
x=(<span><span><span>5/2)</span>y</span>+<span>10
</span></span>
If you solve for y you get:
y=(<span><span><span>2/5)</span>x</span>−<span>4</span></span>
5 0
3 years ago
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