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3 years ago

How do i tell whether the given side length is a right angle

Mathematics

2 answers:

erica [24]3 years ago

4 0

Answer:

The sum of the lengths of any two sides of a triangle is greater than the length of the third side. If you take the three sides of a triangle and add them in pairs, the sum is greater than (not equal to) the third side. If that is not true, then it is not possible to construct a triangle with the given side lengths.

Step-by-step explanation:

zysi [14]3 years ago

4 0

Answer: the angle on the end of the length should have a square.

Step-by-step explanation: In math and geometry, a square around an angle shows 90 degrees, which is another meaning of a right angle. If a triangle or square has a right angle of 90 degrees, it will show it by having the square in the vertice.

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Which expression is equal to 7/12?

True [87]

The answer is:
A. 7 x 1/12

4 0

4 years ago

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Two cyclists leave city at same time, one going east and the other going west. The westbound cyclist bikes 3 mph faster than the

Bumek [7]

Speed of the east bound cyclist is 12 mph and the speed of west bound cyclist is 15 mph.

Solution:

Let us assume that x is speed of slower eastbound cyclist

So, x+3 will be the speed of faster westbound cyclist

We know that distance is the product of speed and time. That is,

$\text{Distance}=\text{Speed}\times\text{Time}$

West-bound DATA:

Rate of speed = x+3 mph ; Time = 6 hrs ; distance = 6(x+3) = 6x+18 miles

East-bound DATA:

Rate of speed = x mph ; time = 6 hrs. ; distance = 6x miles

On solving,

Distance apart = 162

$\Rightarrow6x+18+6x = 162$

$\Rightarrow12x=162-18$

$\Rightarrow x=\frac{144}{12}\rightarrow x=12$

So, the rate of speed of the east bound cyclist is 12 mph and the rate of speed of the west bound cyclist will be $x+3=12+3=15 \text{ mph}$

8 0

3 years ago

A bird is flying at 50km per hour. Which table represents this situation?

storchak [24]

Answer:

Choice B

Step-by-step explanation:

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3 years ago

The exponent form of √7 3 is

kiruha [24]

Answer

$\sqrt{63}$

Step-by-step explanation:

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3 years ago

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How many hours are in 186 minutes explained in as a mixed number or decimal

slavikrds [6]

There are 60 minutes in 1 hour

and 186 divided by 60 = 3 remainder 6
which means you have 3 hours and 6 minutes

that will get you the mixed fraction of
3 6/60 which can be simplified to
3 1/10

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3 years ago