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Feliz [49]
3 years ago
8

Hurry I need it ASAP!

Mathematics
1 answer:
zhuklara [117]3 years ago
3 0
 If I calculated correctly, I believe the answer is B
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In triangle abc, m of acb = 90, cd is perpendicular to ab , m of acd is 60. and bd is 5 cm. find ad
weeeeeb [17]

Let us draw a picture to make the things more clear.

Attached is the image.

We have been given that

\angle acd = 60 ^{\circ}

Therefore, we have

\angle dcb =90- 60= 30 ^{\circ}

Now, in triangle bcd, we have

\tan30 = \frac{5}{cd}\\
\\
\frac{1}{\sqrt 3}=\frac{5}{cd}\\
\\
cd=5\sqrt 3

Now, in triangle acb, we have

tan 60 = \frac{ad}{5\sqrt3} \\
\\
\sqrt 3=  \frac{ad}{5\sqrt3}\\
\\
ad= 5\sqrt3 \times \sqrt 3\\
\\
ad= 5\times 3\\
\\
ad=15

Thus, ad is 15 cm.


4 0
3 years ago
Solve for x. Round your answer to the nearest tenth. (one decimal place)<br><br> X=?? degrees
fredd [130]

Answer:

<em>Angle x is congruent with the interior angle opposite side 8 (alternate interior angles)</em>

<u>Use tangent:</u>

  • tan x = 8/15
  • x = arctan (8/15)
  • x = 28.1° (rounded)
4 0
3 years ago
Kendal is doing her science homework. For each problem, she uses 3/4 of a sheet of paper. How many sheets of Will she need to co
Vika [28.1K]
9 sheets of paper I believe 
Have a good day :)
8 0
4 years ago
Write in slope-intercept form an equation of the line that passes through the point (r,p) with slope q.
-BARSIC- [3]

Answer:

y=q(x-r)+p

Step-by-step explanation:

y-y1=m(x-x1)

y-p=q(x-r)

y=qx-qr+p

y=q(x-r)+p

8 0
3 years ago
Mick departs Sydney on Tuesday at 6:00 am and arrives in Christchurch on Tuesday at 12:45 pm. If Christchurch time is 2 hours ah
Andrej [43]

Answer:

4 hours and 45 minutes.

Step-by-step explanation:

Since Christchurch is 2 hours ahead of Sydney, you subtract 2 from 12:45 and get 10:45 so then, you determine the difference between 10:45 and 6:00 AM and it results in 4.75 hours or 4 hours and 45 minutes

7 0
3 years ago
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