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pishuonlain [190]
3 years ago
7

❜ ❗ , ❗ , ❗ .........

Mathematics
2 answers:
Katyanochek1 [597]3 years ago
6 0

thanks :))))))))))

for free points

slega [8]3 years ago
4 0
I’m just pressing the middle button. I don’t think I have any idea how much to get out this weekend but anyways I’m just tryna get my hair cleaned out I have a lot more to help you with the shower. Okay thankyou for the free pointssss
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30 POINTS WILL MARK BRAINLIEST Derrick discovered that seven times X plus five times X was the same as eleven times X, minus fif
Artemon [7]

Answer:

7x+5x=11x-15; x= -15

Step-by-step explanation:

Combine like terms:

7x+5x= 12x\\12x=11x-15

Subtract 11x on both sides:

12x-11x=(11x-11x)-15

1x=-15\\x=-15

5 0
3 years ago
Read 2 more answers
PROVE THE FOLLOWING IDENTITIES.<br>​
3241004551 [841]

LHS=2t^2/1-t^2

RHS=2t^2/1-t^2

Hence left had side is equal

Step-by-step explanation:

Taking tan x and sec x in the terms of t=tan(x/2)

tan x=2t/1-t^2

sex x=1/cos x

therefore cos x=1-t^2/1+t^2

so sec x=1/1-t^2/1+t^2

sec x=1+t^2/1-t^2

Taking tan x and sec x in the terms of t=tan(x/2)

tan x=2t/1-t^2

sex x=1/cos x

therefore cos x=1-t^2/1+t^2

so sec x=1/1-t^2/1+t^2

sec x=1+t^2/1-t^2

LHS=tanx .tan(x/2)

      =2t.t/1-t^2

      =2t^2/1-t^2

RHS=sec x-1

       =1+t^2/1-t^2-1

       =1+t^2-1+t^2/1-t^2

       =2t^2/1-t^2

Therefore hence we proved LHS=RHS

      =2t.t/1-t^2

      =2t^2/1-t^2

RHS=sec x-1

       =1+t^2/1-t^2-1

       =1+t^2-1+t^2/1-t^2

       =2t^2/1-t^2

Therefore hence we proved LHS=RHS

4 0
3 years ago
Read 2 more answers
3 people pack enough water to last 9 days. 5 more people join them. How long will their water last?
S_A_V [24]

Answer:

approx. 3 days

Step-by-step explanation:

3 people = 9 days

1 person = (9x3) days

Therefore, 8 people = (9x3)/8

                                  =27/8

                                  = 3.375

                                  = aprrox. 3 days

8 0
3 years ago
I NEED HELP ASSSSSSAAAAAAAAAAAPPPPPPPPPPPPPPP
stira [4]
9 4/21

Hope this helps, i apologize if i’m incorrect
4 0
3 years ago
Read 2 more answers
Tripp is buying a new baseball bat that is regularly priced for $280, but it is on sale for 25% off.
marishachu [46]

Answer:

How much is the discount? =$70

What is the final sale price?=$210

Step-by-step explanation:

$280 =100%

$x       =25%

    $280 x 25%=7000/100=<u>70</u>

<u>280-70=210</u>

4 0
3 years ago
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