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Montano1993 [528]
3 years ago
9

Triangle A C D is shown. A line is drawn from point D to point B on side A C to form a right angle. Line A D is labeled s. The l

ength of A B is 8, the length of B C is 5, and the length of B D is 15.
What is the value of s
Mathematics
2 answers:
Vlad1618 [11]3 years ago
5 0

Answer:

17 units

Step-by-step explanation:

just took the quiz

RUDIKE [14]3 years ago
5 0

Answer:

17 units.

Step-by-step explanation:

Hope it helps!!!

You might be interested in
Matt is standing on top of a cliff 305 feet above a lake the measurement of the angle of depression to a boat on the lake is 42
sashaice [31]

Answer:

The boat is approximately 338.74 feet from the base of the cliff. If the problem suggests rounding to the nearest whole number, you should use 339 ft.

Step-by-step explanation:

Let's draw the right angle triangle associated with the problem (see attached image). Notice that the 305 ft height corresponds to the "opposite side" to the given acute angle of 42^o, and that the distance we need to find is the "adjacent" side to the given acute angle. Therefore, the appropriate trigonometric function to use is the "tangent", given that from it we can solve for the unknown adjacent side "x":

tan(42^o)=\frac{opposite}{adjacent} \\tan(42^o)=\frac{305}{x}\\x=\frac{305}{tan(42^o)}\\ x=338.74\,\, ft

5 0
4 years ago
PLEASE HELP AS SOON AS POSSIBLE
Stolb23 [73]

Answer:

[2], [5], [8],

Step-by-step explanation:

7 0
3 years ago
Which expressions are equivalent to 2^2/7⋅2^2/7? Select all that apply.
sladkih [1.3K]
The answer is E. 2^2/7 + 2/7
5 0
3 years ago
Fabric length: 3 7/8 yd.
RUDIKE [14]
3 x $9.25 = 27.75
4/8 = 9.25/2 = 4.6 so 27.75+ 4.6 equals 32.37 (so I’ve only done 4/8 so far but it states it’s 7/8 so we’re gonna go ahead and add 2/8 of it more so that it’s 6/8) therefore we know 4/8 is 4.6 we’ll divide that by 2 to get 2/8 and that would be 2.3 so 32.37 + 2.3 equals 34.67 Nd we do the same again with the remainder additional 1/8 since we know 2/8 is 2.3 then we divide it by two that would 1.15 so 34.67+ 1.15 equals 35.81 and the closest answer is D
6 0
3 years ago
Read 2 more answers
Factor completely: 4a^2+b^2−c^2+4ab
Lapatulllka [165]

Answer:

4a^{2} + b^{2}  - c^{2}  + 4ab = (2a + b -c) (2a + b+c)

Step-by-step explanation:

Here, the given expression is 4a^{2} + b^{2}  - c^{2}  + 4ab

or, the given expression can be written as

 (4a^{2} + b^{2}  + 4ab ) - c^{2}

Now, by ALGEBRAIC IDENTITY: (x+y)^{2}  = x^{2} + y^{2}  + 2xy

So, similarly here, (2a +b){2}  = 4a^{2} + b^{2}  + 4ab

Hence, on simplification, the expression

(4a^{2} + b^{2}  + 4ab ) - c^{2} = (2a + b)^{2} - c^{2}

Now, by ALGEBRAIC IDENTITY: (x +y)(x-y) = x^{2}  - y^{2}

So, similarly  (2a + b)^{2} - c^{2}= (2a + b -c) (2a + b+c)

Hence, the given expression is factorized as:

4a^{2} + b^{2}  - c^{2}  + 4ab = (2a + b -c) (2a + b+c)

7 0
3 years ago
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