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Bingel [31]
3 years ago
11

What equals tan(x+y)? When sinx=1/2, cosy=sqrt2/2

Mathematics
1 answer:
Oksi-84 [34.3K]3 years ago
8 0

Answer:

I believe it is 1 hope this helps

Step-by-step explanation:


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On Monday at work, David produces $w$ widgets per hour, and works for $t$ hours. Exhausted by this work, on Tuesday, he decides
nasty-shy [4]

Answer:

8 more widgets

Step-by-step explanation:

<u>Monday:</u>

t hours work AT w widgets per hour

So,

total number of widgets = wt

<u>Tuesday:</u>

2 fewer hours than monday, so

hours worked = t - 2

Per hour widget production is 4 more than Monday so:

per hour widget = w + 4

Total number of widgets = (t-2)(w+4)=wt+4t-2w-8

Monday he produced more, so amount more is:

wt-[wt+4t-2w-8]\\wt-wt-4t+2w+8\\-4t+2w+8

Given, w = 2t, we have:

-4t+2w+8\\-4t+2(2t)+8\\-4t+4t+8\\=8

Thus,

8 more widgets were produced

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