3 years ago

I WILL GIVE BRAINLIEST

2 answers:

5 0

Answer: If they cost 2.50 a lb., then all you have to do is multiply 2.50*7 which is $17.50. after you get your total cost just subtract .50. So your total is $17.00

Step-by-step explanation:

Hope this helps!

vazorg [7]3 years ago

4 0

Answer:

The answer is 17

Step-by-step explanation:

I took the test and this is what I got

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It says find the greatest common factor of set numbers and the numbers are 21,24,27

Lena [83]

The greatest common factor is 3 I'm pretty sure.

8 0

3 years ago

TanA+tanB+tanAtanB=1 If A+B=45 degree

djyliett [7]

Answer:

See below

Step-by-step explanation:

$\tan A+\tan B + \tan A.\tan B = 1\\\\ \implies \: \tan A + \tan B = 1 - \tan A.\tan B \\ \\ \implies \: \frac{\tan A + \tan B}{ 1 - \tan A.\tan B } = 1\\ \\ \implies \: \tan (A + B) = 1 \\ \\ \implies \: \tan (A + B) =\tan 45 \degree \\ \\ \implies \: A + B = 45 \degree \\ \\ thus \: proved$