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Sveta_85 [38]
3 years ago
14

ILIO

Mathematics
1 answer:
iris [78.8K]3 years ago
3 0

Answer:

a. sine

Step-by-step explanation:

As it can be seen from the figure, triangle ABC is the right-angled triangle with Angle C is equal to 90 degree.

In a right-angled triangle, there is a formula as following:

<em>+) sine (an acute angle) = (length of its opposite side)/ hypotenuse</em>

In the figure, angle B and length of the hypotenuse are given.

As x is the length of AC and AC is the opposite side to angle B

=> So that we can use sine to find x

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What is 423 divided by 898?
KiRa [710]

423 divided by 898 is 0.47104677...

Hope I could help! :)

6 0
3 years ago
A parabola with the vertex at (1.5, 12.5) inscribes a segment of length 5 on x-axis. What is the area of the triangle formed by
damaskus [11]

Answer:

  20 units²

Step-by-step explanation:

The x-intercepts are symmetrically located around the x-coordinate of the vertex, so are at

  1.5 ± 5/2 = {-1, 4}

Using one of these we can find the unknown parameter "a" in the parabola's equation (in vertex form) ...

  0 = a(4 -1.5)² +12.5

  0 = 6.25a +12.5 . . . . . simplify

  0 = a +2 . . . . . . . . . . . divide by 6.25

  -2 = a

Then the standard-form equation of the parabola is ...

  y = -2(x -1.5)² +12.5 = -2(x² -3x +2.25) +12.5

  y = -2x² +6x +8

This tells us the y-intercept is 8. Then the relevant triangle has a base of 5 units and a height of 8. Its area is given by the formula ...

  A = (1/2)bh = (1/2)(5)(8) = 20 . . . . units²

5 0
3 years ago
CORRECT GETS BRAINLIEST
Dmitrij [34]
C. 2/3 is the correct answer. I worked this question out and that is what I got! I hope you have a nice day! (mark as brainliest!)
6 0
3 years ago
Need help on this question
Aloiza [94]
I hope this helps you

4 0
3 years ago
Thank you everyone for helping me this year to get good grades I am giving points.​
Dmitriy789 [7]
Yayyyy I’m so happy you got good grades
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