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iVinArrow [24]
3 years ago
12

What is the value of x + 186 when x = -21

Mathematics
2 answers:
fredd [130]3 years ago
7 0

Answer:

165

Step-by-step explanation:

-21+186=165 .....

lesya [120]3 years ago
5 0

Answer:

165 is the answer

hope this answer will help you

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A circle is shown. Secants S V and T V intersect at point V outside of the circle. Secant S V intersects the circle at point W.
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<u>Given</u>:

Secants S V and T V intersect at point V outside of the circle. Secant S V intersects the circle at point W. Secant T V intersects the circle at point U.

The length of TU is (y - 2).

The length of UV is 8.

The length of SW is (y + 4)

The length of WV is 6.

We need to determine the length of line segment SV.

<u>Value of y:</u>

The value of y can be determined using the intersecting secant theorem.

Applying, the theorem, we get;

WV \times SV=UV \times TV

Substituting the values, we have;

6 \times (y+4+6)=8 \times (y-2+8)

   6 \times (y+10)=8 \times (y+6)

          6y+60=8y+48

        -2y+60=48

               -2y=-12

                   y=6

Thus, the value of y is 6.

<u>Length of SV:</u>

The length of SV is given by

SV=SW+WV

SV=y+4+6

SV=6+4+6

SV=16

Thus, the length of SV is 16 units.

Hence, Option D is the correct answer.

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3 years ago
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Determine whether triangle RST or triangle LMN is similar to triangle ABC?
lesya692 [45]

Answer:

triangle LMN is similar to triangle RST

Step-by-step explanation:

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1) Find the measure of ∠θ. Round to one decimal place.
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Answer/Step-by-step explanation:

Reference angle = θ

Opposite side = 11.9

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Applying the trigonometric ratio, TOA, we have:

Tan θ = opp/adj

Tan θ = 11.9/10

θ = tan^{-1}(11.9/10)

θ = 49.9584509° ≈ 50.0° (to one d.p)

Apply pythagorean theorem to find AB:

Thus:

AB = √(11.9² + 10²)

AB = √241.61

AB ≈ 15.5 (to 1 d.p)

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Given triangle abc which of the following must be true
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I, II, and III are all correct.
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