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Anarel [89]
1 year ago
7

Please help me! Im so confused. If you could explain, too that would be great!!! <3

Mathematics
1 answer:
Zielflug [23.3K]1 year ago
8 0

Answer:

the base length is 8 units

Step-by-step explanation:

You can use pythagorean theorem to solve this

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What is the value of x in this equation? Enter your answer in the box.
katrin [286]

Answer:

6

Step-by-step explanation:

(2.4×10³)×(3×10^x)=7.2×10^9

(3x10^x)=(7.2×10^9)/(2.4×10^3)

3×10^x=3×10^6

10^x=10^6

*when bases are same ,powers are equated*

thus x=6

4 0
2 years ago
Find the equation of the circle: b with center (5, 1/4 ), radius 6
PolarNik [594]

The equation of the circle would be

(

x

−

(

−

4

)

)

2

+

(

y

−

7

)

2

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6

2

or

(

x

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4

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2

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(

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6 0
3 years ago
Rewrite y=(0.9)^t−4 in the form y=a(1+r)^t or y=a(1−r)^t to determine whether it represents exponential growth or exponential de
son4ous [18]

Answer:

its

Step-by-step explanation:

13+(4^3)

6 0
3 years ago
Plzzz help I would really appreciate it !!!!
Elena L [17]
Wait I got this too lol I’m looking for the answer too
5 0
3 years ago
Given that the value of x is between 0 and 360 degrees (0 and 360
Brums [2.3K]

Answer:

  • 150° and 210°
  • 0

Step-by-step explanation:

It is convenient to memorize the trig functions of the "special angles" of 30°, 45°, 60°, as well as the way the signs of trig functions change in the different quadrants. Realizing that the (x, y) coordinates on the unit circle correspond to (cos(θ), sin(θ)) can make it somewhat easier.

__

<h3>20.</h3>

You have memorized that cos(x) = (√3)/2 is true for x = 30°. That is the reference angle for the 2nd-quadrant angle 180° -30° = 150°, and for the 3rd-quadrant angle 180° +30° = 210°.

Cos(x) is negative in the 2nd and 3rd quadrants, so the angles you're looking for are

 150° and 210°

__

<h3>Bonus</h3>

  You have memorized that sin(π/4) = √2/2, and that cos(3π/4) = -√2/2. The sum of these values is ...

  √2/2 + (-√2/2) = 0

_____

<em>Additional comments</em>

Your calculator can help you with both of these problems.

The coordinates given on the attached unit circle chart are (cos(θ), sin(θ)).

6 0
2 years ago
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