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3 years ago

2/3+2/3 I need help PLZZZZ

Mathematics

2 answers:

IrinaK [193]3 years ago

8 0

4/3. Denominators are already the same so just add numeraters

goldfiish [28.3K]3 years ago

4 0

Answer:

4/3

Step-by-step explanation:

You add the top numbers and not the bottom then simplify.

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Prove the following identity. Make sure to include all steps taken. <img src="https://tex.z-dn.net/?f=%5Cfrac%7B1%2Bcos%5Ctheta%

Komok [63]

Answer:

See below.

Step-by-step explanation:

$\frac{1+cos(\theta)}{sin(\theta)} +\frac{sin(\theta)}{1+cos(\theta)}=2csc(\theta)$

$\frac{(1+cos(\theta))(1+cos(\theta))}{sin(\theta)((1+cos(\theta))} +\frac{(sin(\theta))(sin(\theta))}{(1+cos(\theta))(sin(\theta))}=2csc(\theta)$

$\frac{(1+cos(\theta))(1+cos(\theta))+(sin(\theta))(sin(\theta))}{sin(\theta)((1+cos(\theta))}=2csc(\theta)$

$\frac{(1+2cos(\theta)+cos^2(\theta)+sin^2(\theta))}{sin(\theta)(1+cos(\theta))} =2csc(\theta)$

Recall the identities:

$sin^2(\theta)+cos^2(\theta)=1$

$\frac{1+2cos(\theta)+1}{sin(\theta)(1+cos(\theta))} =2csc(\theta)$

$\frac{2+2cos(\theta)}{sin(\theta)(1+cos(\theta)}=2csc(\theta)$

$\frac{2(1+cos(\theta))}{sin(\theta)(1+cos(\theta))} =2csc(\theta)$

$\frac{2}{sin(\theta)} =2csc(\theta)$

$2csc(\theta)=2csc(\theta)$

8 0

4 years ago

-10 + (-3 3/8) please help asap

juin [17]

Answer:

-10 + (-3 3/8)

Step-by-step explanation:

brainliest plsss

7 0

3 years ago

Read 2 more answers

Help! I know 10b but i dont understand 10a :( pls explain if you can:)

Aleonysh [2.5K]

So it would be one half of the base times the hight

6 0

3 years ago

A 10 pound bag cherries for $33.49 how many per pound

xxTIMURxx [149]

3.34 i believe i hope it helps!

7 0

3 years ago

Logan has 4 2/3 cup of peanuts and 3 2/3 cup of cashews if you combine some nuts how much will he have

MA_775_DIABLO [31]

Answer: He will have 8 1/3 nuts

Step-by-step explanation:

Amount of peanuts=4 2/3 cups

Amount of cashews=3 2/3 cups

Combing the nuts will give Total amount of nuts ( peanuts and cashews)

=4 2/3 +3 2/3

=7 4/3

7 + 1 1/3

8 1/3 nuts

6 0

3 years ago