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Art [367]
3 years ago
9

(10x – 3 + 7x2) + (x3 – 2x + 17)

Mathematics
1 answer:
igor_vitrenko [27]3 years ago
4 0

Answer:

Step-by-step explanation:

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The point (-7,4) in on the terminal side of an angle t. Find sec (t) to two decimal places.
Sliva [168]

Answer:

  -1.15

Step-by-step explanation:

The tangent of the angle can be found as ...

  tan(t) = (y-coordinate)/(x-coordinate) = -4/7

The secant of the angle is related by ...

  sec(t)² = tan(t)² +1 = (-4/7)² +1 = 65/49

Then the secant of this 2nd-quadrant angle is ...

  sec(t) = -√(65/49) = -(√65)/7 ≈ -1.15

6 0
2 years ago
Tell whether the angles are adjacent or vertical. Then find the value of x.
lozanna [386]

Answer:

x = 25

Step-by-step explanation:

The angles are vertical since they form from two lines crossing at a point and they share a same vertex.

Vertical angles are equal so

4x - 25 = 75

4x = 100

x = 25

8 0
3 years ago
99 newspapers in 3 piles
monitta

Answer:

33 newspapers per 1 pile.

Step-by-step explanation:

33+33+33=99

5 0
2 years ago
Read 2 more answers
2.) Solve 48 = -6<br>4.) Solve 4 + 3.5 = 12.5​
3241004551 [841]
These aren't solvable.
5 0
3 years ago
Evaluate f (x) = 2 x for x = -4, 0, and 5.
aleksklad [387]
The function f(x) is defined in to different ways depending on the value of X. When x is < 5, use the expression 2x - 1 to evaluate the function When x is ≥ 5, use the expression x2 - 3 for example f(1) = 2(1) - 1 = 1 f(10) = (10)2 - 3 = 97
8 0
3 years ago
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