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3 years ago

Need help!ASAP! Prove the following identities:

Mathematics

2 answers:

Semmy [17]3 years ago

4 0

Answer:what kind of math u doing

Step-by-step explanation:

san4es73 [151]3 years ago

3 0

Answer:

For F)

Step-by-step explanation:

sin9/cos8/ 99.2739

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What is X if

umka2103 [35]

Answer:

$X = \begin{bmatrix} - 4 & 1 \\ - 2 & - 7\end{bmatrix}$

Step-by-step explanation:

$\begin{bmatrix} - 1 & - 2\\ 4 & 8\end{bmatrix} +X = \begin{bmatrix} - 5 & - 1\\ 2 & 1\end{bmatrix}$

$X = \begin{bmatrix} - 5 & - 1\\ 2 & 1\end{bmatrix}-\begin{bmatrix} - 1 & - 2\\ 4 & 8\end{bmatrix}$

$X = \begin{bmatrix} - 5-(-1) & - 1-(-2)\\ 2-4 & 1-8\end{bmatrix}$

$X = \begin{bmatrix} - 5+1 & - 1+2\\ 2-4 & 1-8\end{bmatrix}$

$X = \begin{bmatrix} - 4 & 1 \\ - 2 & - 7\end{bmatrix}$

7 0

3 years ago

42.54 degrees is the same as 42 degrees______ '42"

pav-90 [236]

The answer is 24" hope this helps.

3 0

3 years ago

PLEASE HELP!! // True Or False ?

Nataliya [291]

Answer:

1. TRUE

2. False

3. TRUE

4. False

5. TRUE

6. False

Step-by-step explanation:

1. 6859^(1/3) = 19 = ∛(19^3)

2. 2197^(1/3) = 13 ≠ 9·2

3. 8000^(1/3) = 20 = 10·2

4. 9261^(1/3) = 21 ≠ 13

5. 3375^(1/3) = 15 = 5·3

6. 5832^(1/3) = 18 ≠ 3·7

7 0

3 years ago

Read 2 more answers

What do the numbers 0.5, 5,49, and 0.3 reapeating have in common?

stellarik [79]

Answer:

They are all odd numbers.

Step-by-step explanation:

Ok so we know that numbers that end with 1,3,5,7 and 9 are odd numbers and all the numbers listed in the question all end with these numbers.

8 0

3 years ago

Estimate a 15 tip on a restaurant bill of $24.55

denis23 [38]

Answer:

39.55

Step-by-step explanation:

24.99+15=39.55

That is how you get your answer :)

6 0

2 years ago

Read 2 more answers