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BaLLatris [955]
3 years ago
6

How would i find y in this situation

Mathematics
1 answer:
Paraphin [41]3 years ago
7 0

Answer:

C.) 7√2/2

Step-by-step explanation:

tan¤ = opp/adj

tan 45° = y/7√2/2

1 = y/7√2/2

1 = 2y/7√2

7√2 = 2y

2y = 7√2

y = 7√2/2

<u>NOTE:</u><u> </u>¤ = Theta

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HELPPPPPPPPPP Add &amp; subtract matrices ..... <br><br> PLZ GIVE THE ANSWER .. THANKSSSSS .
Setler79 [48]

For this case, we must subtract the given matrices, for this we subtract term to term.

So, we have:

Equal signs are added and the same sign equals:

\left[\begin{array}{ccc}-2-2\\-2-1\\1-1\end{array}\right]=

\left[\begin{array}{ccc}-4\\-3\\0\end{array}\right]

ANswer:

\left[\begin{array}{ccc}-4\\-3\\0\end{array}\right]

8 0
4 years ago
Read 2 more answers
If P = 0.50, which is the best conclusion? a) H0 is definitely false. b) H0 is definitely true. c) There is a 50% probability th
Novosadov [1.4K]

Answer: option A

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Hence I will assume a 5% level of significance, that's α = 0.05.

If p > α, it simply means that we have a high chance of committing a type 1 error (because α is the probability of committing a type 1 error), hence we reject the null hypothesis meaning it is wrong.

If p < α, it means that we have a very low chance of committing a type 1 error hence we accept the null hypothesis because it is right.

Note even if we decide to try any reasonable value of α, we will come to the same conclusion made above.

3 0
3 years ago
Aight I think I just figured out this pyramidal sequence thing. You're going up by perfect numbers right, like 4, 9, 16, 25. Bec
muminat

Answer:  Close.  Your observation is correct. When you see that the difference between two numbers in the sequence is a perfect square, you are looking at a pyramidal sequence

1² = <u>1 </u> top of pyramid

1 + 2² = <u>5</u>   total in top 2 layers

1 + 2² + 3² = <u>14</u> total in top 3 layers

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Layer 6 is 6² more, 91

Layer 7 is 7² more so, 140

I think you got it.

Step-by-step explanation:  The numbers are like when you keep adding the layers in a pyramid, and the next number is the total of the previous layers plus the square of the next layer number.

4 0
3 years ago
Photo attached please help
Radda [10]
I think it’s either a or c I’m not sure but I’m going for c please lmk if I’m wrong
6 0
3 years ago
If you walked 10 minutes at 80 steps per minute. What would the ratio of yards to minutes be
saveliy_v [14]

Step-by-step explanation:

10 minutes over 80 or 10 to 80

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