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AfilCa [17]
3 years ago
10

What is the reason that <ABD is congruent to <CBD?

Mathematics
1 answer:
igomit [66]3 years ago
4 0
Definition of angle bisector. we are given thatBD bisects angle ABC. that means it cuts it into 2 equal angles. angles ABD and CBD are these 2 angles
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How to solve 5/6=v+2/7
agasfer [191]

Answer:

5/6 = v + 2/7

Step-by-step explanation:

5/6 = v + 2/7  

23/42 - v = 0

5/6 = 1/7 (7 v + 2)

5 0
3 years ago
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Sketch a graph of a piecewise function. Write the domain in interval notation.
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2 years ago
nick has to build a brick wall. Each row of the wall requires 6/2 bricks. There are 10 rows in the wall. How many bricks will ni
alex41 [277]

Answer:

D. 10 x 6/2

Step-by-step explanation:

each row = 6/2

10 rows all together

so you do 10 x 6/2

5 0
3 years ago
A trough is 10 ft long and its ends have the shape of isosceles triangles that are 4 ft across at the top and have a height of 1
Anna11 [10]

Answer:

7.5 ft³/min

Step-by-step explanation:

Let x be the depth below the surface of the water. The height, h of the water is thus h = 10 - x.

Now, the volume of water V = Ah where A = area of isosceles base of trough = 1/2bh' where b = base of triangle = 4 ft and h' = height of triangle = 1 ft. So, A = 1/2 × 4 ft × 1 ft = 2 ft²

So, V = Ah = 2h = 2(10 - x)

The rate of change of volume is thus

dV/dt = d[2(10 - x)]/dt = -2dx/dt

Since dV/dt = 15 ft³/min,

dx/dt = -(dV/dt)/2 = -15 ft³/min ÷ 2 = -7.5 ft³/min

Since the height of the water is h = 10 - x, the rate at which the water level is rising is dh/dt = d[10 - x]/dt

= -dx/dt

= -(-7.5 ft³/min)

= 7.5 ft³/min

And the height at this point when x = 8 inches = 8 in × 1 ft/12 in  = 0.67 ft is h = (10 - 0.67) ft = 9.33 ft

7 0
2 years ago
Interest of $1,632 with principal of $16,000 for 306 days (ordinary interest) results in a rate of​
SIZIF [17.4K]

Answer: 12%

Step-by-step explanation:

8 0
2 years ago
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