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krek1111 [17]
3 years ago
13

Plz tell me what I did wrong! I got:

Mathematics
2 answers:
nikitadnepr [17]3 years ago
8 0
Your answers are right both the numbers and the letters I think the teacher messed up.
Ivahew [28]3 years ago
7 0

Answer:

Try to move the words that you got around and see what that gives you

Step-by-step explanation:

Can you please mark me brainliest?

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HELP FAST PLEASE!!!!!
lidiya [134]

Alright, lets get started.

The answer Sandra got is correct that is zero but there are some mistakes she made while writing steps.

2 cot(\frac{-9\pi}{2})  =  2 cot(\frac{9\pi}{2}) Incorrect step

Because as per even/odd identity,

Cot (-Θ) = - cot (Θ)

Hence

2 cot (\frac{-9\pi}{2}) = - 2 cot (\frac{9\pi}{2})

Now,

It could be written as

-2 cot (\frac{9\pi}{2}) =   -2 cot (\frac{\pi}{2})


-2 * 0

0

Hence the answer is 0. : Answer

Hope it will help :)

3 0
3 years ago
How do you know six over six and one are equivalent
Afina-wow [57]
They are equal because let's say you have 6 slices of pizza and you and 5 friends came over to your house to have pizza all of you had one slice because their were 6 slices in the beginning and you and your 5 friends had one slice so that is 1 whole pizza that you and you friend ate
7 0
4 years ago
Read 2 more answers
Aiden brought chocolate and vanilla cupcakes to school for his birthday. 12 students picked a vanilla cupcake and 88 students pi
White raven [17]

Answer:

the percentage is 12%

Step-by-step explanation:

Given that

The 12 students picked up the vanilla cupcake

And, 88 students picked up the chocolate cupcake

We need to find out the percentage of the students picked up a vanilla cupcake

So, the percenatge is

= (12) ÷ (12 + 88) × 100

= 12 ÷ 100 × 100

= 12%

Hence, the percentage is 12%

8 0
3 years ago
PLEASE HELP!<br><br> can you help me with these math questions im struggling on :,)?
solniwko [45]

Answer:

Step-by-step explanation:

Multiply by 2

7 0
3 years ago
Convert y + 2 = 3/2(x – 4)<br> to general form.
NARA [144]

Answer:

3x − 2y = 16

Step-by-step explanation:

y + 2 = 3/2(x – 4) in standard form is 3x - 2y = 16

Hope this helps uwu

8 0
3 years ago
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