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3 years ago

Triangle abc is isosceles. what is the length of the line segment connecting the midpoints of the two sides of equal length?

Mathematics

2 answers:

Tpy6a [65]3 years ago

5 0

The required relength is half of the length of AC
AC = sqrt(8 - (-2))^2 = 8 + 2 = 10

Therefore, the required length is 5.

Gre4nikov [31]3 years ago

4 0

Answer:

The correct option is A. 5

Step-by-step explanation:

The equal sides in the given figure are AB and AC

So, to find the length of the line segment connecting the midpoints of the two sides of equal length :

Find the midpoints of AB and AC

Now, By using the midpoint formula :

Midpoint of AB = (0.5, 3)

Midpoint of AC = (5.5, 3)

So, The required distance will be : Distance between (0.5, 3) and (5.5, 3)

⇒ The required distance will be = 5 units

Hence, The correct option is A. 5

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A sprinting cheetah covered a distance of 518 meters in 18.5 seconds. If the cheetah ran a constant speed, how fast was it runni

artcher [175]

Answer:

Speed of the cheetah would be 28 m/sec

Step-by-step explanation:

Given:

Distance covered = 518 meters

Time taken = 18.5 seconds

To Find:

Speed of cheetah = ?

Solution:

We are given with the distance and time of the cheetah and we have to find the speed of the cheetah which we can find out by the formula i.e.

Distance = speed * time

Putting in the values

518 = speed * 18.5

Dividing both sides by 18.5

it gives us

518 / 18.5 = speed ∴ 18.5 / 18.5 = 1 and 1* speed = speed

28 m/sec = speed

Or Speed = 28 m/sec

Speed of the cheetah would be 28 m/sec

8 0

3 years ago

Factor completely 4x2 − 8x − 60. (4x − 20)(x + 3) 4(x − 5)(x + 3) (4x − 4)(x + 15) 4(x − 1)(x + 15)

katovenus [111]

after complete factorization of $4x^2-8x-60$ the answer is $4(x+3)(x-5)$

Step-by-step explanation:

We need to factor $4x^2-8x-60$

Taking 4 common and factorizing:

$=4(x^2-2x-15)\\=4(x^2+3x-5x-15)\\=4(x(x+3)-5(x+3))\\=4(x+3)(x-5)$

So, after complete factorization of $4x^2-8x-60$ the answer is $4(x+3)(x-5)$

Keywords: factorization, factors

Learn more about factors at:

#learnwithBrainly

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Slav-nsk [51]

Answer:

(-5,-4)

Step-by-step explanation:

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