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pav-90 [236]
3 years ago
5

I need help with a question I'll give brainliest answer to whoever helps.

Mathematics
2 answers:
sineoko [7]3 years ago
7 0

Answer:

The correct answer is A

Step-by-step explanation:


zepelin [54]3 years ago
5 0
D. it represents the product of two rational numbers and is equivalent to an irrational number
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Trigonometric identities assignment 4
kykrilka [37]

Answer:

<em>Answer: choice D.</em>

Step-by-step explanation:

<u>Trigonometric Functions</u>

We need to recall some properties and definitions of the trigonometric functions.

\displaystyle \tan \theta=\frac{\sin\theta}{\cos\theta}

\displaystyle \sec \theta=\frac{1}{\cos\theta}

We need to simplify the following expression:

5\sin\theta\sec\theta

Substituting the identity for the secant:

\displaystyle 5\sin\theta\sec\theta=5\sin\theta.\frac{1}{\cos\theta}

Operating:

\displaystyle 5\sin\theta\sec\theta=5\frac{\sin\theta}{\cos\theta}

Substituting the definition of the tangent:

\displaystyle 5\sin\theta\sec\theta=5\tan\theta

Correct choice D.

6 0
2 years ago
Factor completely. y^2+6y+8
Hunter-Best [27]
(Y+4)(y+2) is this what it supposed to look like? Cause I don’t really remember.
6 0
3 years ago
(solving for y) <br> 4x-5=7+4y
alexira [117]
y = x - 3

1. Subtract 7 from the right to the left.
* 4y = 4x - 12
2. Divide the 4 (constant) next to the 'y' to the other side.
* y = 4/4x - 12/4 
* y = x - 3

3 0
3 years ago
I really need help with this ... I hope someone can help!
viva [34]

9514 1404 393

Answer:

  ∠B = 53°

  ∠C = 127°

  ∠D = 127°

Step-by-step explanation:

The trapezoid is isosceles, as indicated by the hash marks on sides AD and BC. This means it is symmetrical about the vertical center-line. Angles on the right will have the same measures as the symmetrical angles on the left.

So, you know immediately that ∠B = ∠A = 53°.

Because AB ║ DC, ∠A and ∠D are supplementary. That is, ...

  ∠D = ∠C = 180° -53°

  ∠D = ∠C = 127°

4 0
2 years ago
I need help fasttt with work
Vlad [161]

Answer:

-19.9 ft.

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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