The side length of an equilateral triangle is 6 cm. What is the height of the triangle?

Answers

Answer 1

Answer: the way m comfortable solving this is using pythagorean therem.

the imaginery hight line you draw in the middle of the triangle should split the 6cm base in half to 3cm and the outside of the tryangle is 6cm.
pythagorian theorem formula states:
c^2 =a^2 +b^2

c=6cm
b = 3cm
a=?
6^2 =3^2+a^2
36=9+a^2
36-9=a^2
a^2 =27

square root 27 to find a
=5

Answer 2

Answer: The answer is 5 cm.
Hope this helps!! xx

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A deposit can be filled by two keys. One poured 140 liters in 8 minutes and the other 130 liters in 7 minutes. How long it will take to fill the tank, drain being empty and closed?, if the two keys are open at the same time, knowing that its capacity is 400 liters?

Answers

its a matter of calculating the two speeds of filling and then add them together.
speed1 = 140 liters / 8 minutes = 17.5 liters per minute
speed2 = 130 liters / 7 minutes = 18.57 liters per minute
So we'll open both keys with speed1 and speed2, x amount of minutes, and fill 400 liters, if we write an equation of these statement that is:
17.5x + 18.57x = 400
solve for x!
36.07x = 400
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Solve for y

y/162 - 7/9

Answers

9y=1134
the answer is y=126

In a right triangle, if the length of the hypotenuse is 39 and the length of one of the other sides is 15, what is the length of the third side?

Answers

Answer:

either way the answer is be =36 so the length of the missing side is 36 CM.

Based on these equations, which one represents the greatest rate?y = 1/2 x + 8

y = 2x + 4

y = 4x + 2

y = 7x + 5

What is the y intercept of y = 6x + 32?

Question 4 options:

6

6x

32

0

Question 5 (2 points) Question 5 Unsaved
What is the slope of y = 3/4 x + 8?

Question 5 options:

3/4

8

3

4

Help for these please?