3 years ago

HELP PLEASE!! Will mark brainliest to correct answer

Mathematics

1 answer:

swat323 years ago

8 0

Answer:

Step-by-step explanation:

KL- because triangle is a isosceles

(base angles are congruent)

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Find the equation of the line through the points (6, -9) and (-2, -1).

slava [35]

Answer:

y = -1x - 3

Step-by-step explanation:

y2 - y1 / x2 - x1

-1 - (-9) / -2 - 6

8/-8

= -1

y = -1x + b

-1 = -1(-2) + b

-1 = 2 + b

-3 = b

5 0

3 years ago

Q2-b2Evaluate if a=4 and b =-2

lesya692 [45]

Answer:

Step-by-step explanation:

Plug the given values into the equation to solve.

a² - b²

(4)² - (-2)²

16 - 4

7 0

4 years ago

8. A cable car travels 2236 m to climb a mountain that is 1000 m high. It then travels 1414 m to descend 1000 m on the other sid

frutty [35]

Answer:

3000 m

Step-by-step explanation:

Using Pythagoras theorem

$2236^2=1000^2+|AB|^2\\|AB|^2=2236^2-1000^2\\|AB|^2=3999696\\|AB|=\sqrt{3999696} \\=1999.9$

Similarly

$1414^2=1000^2+|BC|^2\\|BC|^2=1414^2-1000^2\\|BC|^2=999696\\|BC|=\sqrt{999696} \\=999.7m$

Length of the Tunnel = |AB|+|BC|

=1999.9+999.7

=2999.6

=3000 m

4 0

4 years ago

Please helpppp???????????

Temka [501]

Step-by-step explanation:

I think 360-175 iam not sure

4 0

3 years ago

87 1/2% of what number is 105?

vampirchik [111]

Answer:

120

Step-by-step explanation:

87.5% of what number is 105?

87.5%=0.875

105/0.875=120

3 0

3 years ago