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3 years ago

What is greater than 40 but less than 20

1 answer:

3 0

I've already been complemented twice on my previous answer, but then I discovered that I mis-read the question. My entire original answer was wrong, and I have to delete it.

I don't believe that any number can satisfy both of those conditions.
I'll say the question has no answer.

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Does Cos (x+y)=cosx+cosy? Or not?

dangina [55]

$\bf \textit{Sum and Difference Identities}
\\ \quad \\
sin({{ \alpha}} + {{ \beta}})=sin({{ \alpha}})cos({{ \beta}}) + cos({{ \alpha}})sin({{ \beta}})
\\ \quad \\
sin({{ \alpha}} - {{ \beta}})=sin({{ \alpha}})cos({{ \beta}})- cos({{ \alpha}})sin({{ \beta}})
\\ \quad \\
\boxed{cos({{ \alpha}} + {{ \beta}})= cos({{ \alpha}})cos({{ \beta}})- sin({{ \alpha}})sin({{ \beta}})}\impliedby notice
\\ \quad \\
cos({{ \alpha}} - {{ \beta}})= cos({{ \alpha}})cos({{ \beta}}) + sin({{ \alpha}})sin({{ \beta}})$

4 0

3 years ago

True or false please answer ASAP <br><br> ( Brainliest )

prisoha [69]

True.

Hope this helps!

8 0

3 years ago

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What is 16% of 43 minutes? Round answer to tenths place.

sergiy2304 [10]

Answer: $6.9\ minutes$

Step-by-step explanation:

Let "x" represents the 16% of 43 minutes.

Once you analize the information given in the exercise, you can identify that 43 minutes is the 100%.

Then, with this data, you can set up the following proportion:

$\frac{100}{43}=\frac{16}{x}$

Now you must solve for "x". The steps are:

- Multiply both sides of the equation by "x"

$(x)(\frac{100}{43})=(\frac{16}{x})(x)\\\\\frac{100x}{43}=16$

- Multiply both sides by 43:

$(43)(\frac{100x}{43})=(16)(43)\\\\100x=688$

- Divide both sides by 100:

$\frac{100x}{100}=\frac{688}{100}\\\\x=6.88$

- Rounding to the tenths place:

$x\approx6.9$

7 0

4 years ago

Slope Intercept<br> Graph each equation.<br> 1. y = 2x +3

liq [111]

Answer:

HERE U GO

Step-by-step explanation:

3 0

3 years ago

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Which of the following would represent the first step in simplifying the problem 7+56(6-2) divided by 2

Gennadij [26K]

Answer:

Think about PEMDAS, Whatever is in parentheses you solve that first. (6-2) which will be 4, you'll do 7+65*4 and find your answer. And divide by 2 at the end.

Hope this help

Step-by-step explanation:

5 0

3 years ago

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