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3 years ago

Find the value of x. A. 20 B. 17 C. 22 D. 15

Mathematics

2 answers:

amm18123 years ago

8 0

Answer:

The value if x is 20

Step-by-step explanation:

Hope this helps :)

BlackZzzverrR [31]3 years ago

5 0

<h3>Answer: A) 20</h3>

========================================================

Explanation:

Use the chord intersecting theorem

The pieces of each chord multiply to the same products

(x-5)*(x-8) = x*(x-11)

x^2-13x+40 = x^2-11x

-13x+40 = -11x ...... x^2 terms cancel

40 = -11x+13x ..... add 13x to both sides

40 = 2x

2x = 40

x = 40/2 ..... divide both sides by 2

x = 20

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3 years ago

Read 2 more answers

Find the area of the triangle when b=8 and h=14

babunello [35]

Answer:

56 square units

Step-by-step explanation:

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3 years ago

A submersible traveling at a depth of 250 feet dives at an angle of 15 degrees with respect to a

kipiarov [429]

Answer:

$\boxed{\text{652 ft}}$

Step-by-step explanation:

The submersible is diving at a down angle of 15° along the hypotenuse AC of triangle ABC.

Its horizontal track along the surface AB is 1500 ft.

$\begin{array}{rcl}\tan A & = &\dfrac{BC}{AC}\\\\\tan 15^{\circ} & = & \dfrac{a}{1500}\\\\0.2679 & = & \dfrac{a}{1500}\\\\a & = & 1500 \times 0.2679\\& = & \textbf{402 ft}\\\end{array}$

The submersible was already at a depth of 250 feet when it began the dive.

New depth = 250 + 402 = 652 ft

$\text{The depth after the dive is }\boxed{\textbf{652 ft}}$

6 0

4 years ago