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Viefleur [7K]
3 years ago
11

Always sometimes never: if two sides of a triangle are the same then so are two angles always

Mathematics
1 answer:
Trava [24]3 years ago
8 0

Answer:

always

Step-by-step explanation:

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Determine whether the triangles are similar. If so, what are the similarity statement and the postulate or theorem used?
boyakko [2]
The answer is d 
sides and angles show similarity
4 0
3 years ago
A cross country skier reaches the 3km mark of a race in 15 min and 12 km mark 45 min later. Assuming a contrast rate find the sp
melomori [17]
To find the speed you must write S= d/t so for the first one we will chang 15 m to b so it is = 0.25h so s=3/0.25h = 12km/h an why secand is 45 m to h = 0.75h so S=d/t S =12/0.75 =16 km/h the to find the totel speed we should + the speed together so 12 + 16 = 28 km/h
4 0
3 years ago
Write down the exact value of:<br> a) cos 60°<br> b) sin 0°<br> c) tan 45°
sergey [27]

Answer:

cos 60 1/2

sin0 0

tan45 1

Step-by-step explanation:

do it in calculator

7 0
3 years ago
Read 2 more answers
I really need help <br> it’s very hard
barxatty [35]

Answer:

The angle ZLK has a value of 75 degrees.

Step-by-step explanation:

We can calculate this as:

m\angle MLZ+m\angle ZLK=m\angle MLK\\\\(x+66)+(x+86)=130\\\\2x+152=130\\\\2x=130-152\\\\x=-22/2=-11\\\\\\m\angle ZLK=x+86=-11+86=75

We replace the angles values in the equation, as both angles that are formed with Z (MLZ and ZLK), when added, gives as the angle MLK. This allows us to calculate x. The value for x is -11.

Then, with the value for x we can calculate any of both angles.

6 0
3 years ago
What is the simplified form of the expression? k3 [k^7/3] -5
iragen [17]
Simplify the following:
(k^3 k^7)/3 - 5

Combine powers. (k^3 k^7)/3 = k^(7 + 3)/3:
k^(7 + 3)/3 - 5

7 + 3 = 10:
k^10/3 - 5

Put each term in k^10/3 - 5 over the common denominator 3: k^10/3 - 5 = k^10/3 - 15/3:
k^10/3 - 15/3

k^10/3 - 15/3 = (k^10 - 15)/3:
Answer: (k^10 - 15)/3
3 0
3 years ago
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