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gavmur [86]
3 years ago
6

Please help :))))))))​

Mathematics
1 answer:
forsale [732]3 years ago
3 0

Answer:

The answer is A.

Hope that helps :)

Step-by-step explanation:

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The two triangles below are congruent. Which of the following are congruent by CPCTC?
11111nata11111 [884]

Answer:

B.

Step-by-step explanation:

If you put the second triangle upright then turn it over (as if you were flipping a pancake). That would make B equal to R.

C would equal S

A would equal T

and

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8 0
3 years ago
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It would be A. Twelve times. On the first day it was only one inch tall. Then on the sixth it was one foot tall which is twelve inches. Twelve inches is twelve times the amount of one inch.
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Which expression is equivalent to ( x<br> 27<br> ვ<br> ?<br> o x*(V)<br> o x?? (2)<br> *24 (/
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27

Step-by-step explanation:

3*3*3=27. 3*3=9 9*3=27

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3 years ago
What is the measure of m?<br> 5<br> 15<br> E<br> n<br> m = [?]
AlekseyPX
<h3>Answer:  10</h3>

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

Explanation:

The two smaller triangles are proportional, which lets us set up this equation

5/n = n/15

Cross multiplying leads to

5*15 = n*n

n^2 = 75

----------

Apply the pythagorean theorem on the smaller triangle on top, or on the right.

a^2+b^2 = c^2

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25+75 = m^2

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7 0
3 years ago
With a certain tail wind a jet aircraft arrives at its destination, 1,890 miles away, in 3 hours. Flying against the same wind,
Gelneren [198K]
<span>Find the wind speed and the plane's airspeed.
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Let s = speed of the plane in still air
Let w = speed of the wind
then
(s-w) = plane speed against the wind
and
(s+w) = plane speed with the wind
:
Change 3 3/8 hrs to 3.375 hrs
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The trips there and back are equal distance, (1890 mi) write two distance equations
dist = time * speed
:
3.375(s-w) = 1890
3.0(s + w) = 1890

:
It is convenient that we can simplify both these equations:
divide the 1st by 3.375
divide the 2nd by 3
resulting in two simple equations that can be used for elimination of w
s - w = 560
s + w = 630
----------------adding eliminates w, find s
2s = 1190
s = 
s = 595 mph is the plane speed in still air
Find w
595 + w = 630
w = 630 - 595
w = 35 mph is the wind spee</span>
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3 years ago
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