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dusya [7]
4 years ago
8

Find the angles of a triangle whose two base angles are equal and whose third angle is 10° less than three times the base angle.

Mathematics
2 answers:
german4 years ago
8 0

the base angle is 38° and the 3rd angle is 114°

(wow..nice sum..)

Illusion [34]4 years ago
5 0

Answer:

well if the bottom two are 30 then that leaves you with 70

Step-by-step explanation:

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Dina and Masha start cycling on a 20 km bike path at the same time. When Dina reaches the end of the path, Masha still has 4 km
sammy [17]

Answer:

0.5 hour

Step-by-step explanation:

Given

Speed of Dina = 10 km/h

Distance = 20 km

So the time Dina taken to complete the track is:

Speed=\frac{distance}{time}\\10=\frac{20}{time}\\time=\frac{20}{10}\\ time=2\ hours

The time taken by Dina is 2 hours. As masha started with dina but she was 4 km of the path left to cycle,

her distance covered in 2 hours was:

Distance\ covered\ by\ Masha\ in\ 2\ hours=20-4\\=16 km

So we know the time and distance:

Now,

Speed\ of\ Masha=\frac{distance}{time}\\ =\frac{16}{2}\\ =8\ kilometer\ per\ hour

We have to calculate the time that will be needed by MAsha to complete the track:

As we know the speed and remaining distance

Speed=\frac{distance}{time}\\8=\frac{4}{time}\\ time=\frac{4}{8}\\time=0.5\ hours

Masha needs 0.5 hour to complete the track ..

7 0
3 years ago
Read 2 more answers
Need help answer this
Marianna [84]

Answer:

sorry but the question isn't clearly understandable!! maybe Post the full question

6 0
3 years ago
An artist is using right triangles in her design. If all the
katovenus [111]
I think it’s C because a triangle is 180 degrees and it’s a right triangle which means there is a 90 degrees angle + 30 degrees.
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Which means the third angle is 60 degrees
3 0
3 years ago
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Find the exact value in the picture above
fomenos

Answer:

A and B

Step-by-step explanation:

You can take a look at a unit circle to find the solution to this problem (see below).

\cos^{-1}\left( \dfrac{\sqrt{2}}{2} \right)= \\\\\\\pm \dfrac{\pi}{4}= \\\\\\\dfrac{\pi}{4}, \dfrac{7\pi}{4}

Hope this helps!

7 0
3 years ago
you know that the y-ntercept point always has an x-coodinate of 0 what number can you substitute for x in the equation to find t
Allushta [10]

Answer:

x=0

Step-by-step explanation:

Since y-intercepts lie on the y-axis, the x-coordinate must be 0.

8 0
3 years ago
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