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lyudmila [28]
2 years ago
12

Does anybody know the answer?

Mathematics
1 answer:
V125BC [204]2 years ago
8 0

Answer:

option a

Explanation:

AD and DE are perpendicular lines, meaning they are at a 90° angle. likewise, AD and AB are also perpendicular lines. this means that there are 90° angles at ∠ADE and ∠DAB.

since both DE and AB are perpendicular to the same line and are positioned at the same angle away from it, they are parallel lines.

i hope this helps! :D

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Please Help!
nikklg [1K]

Answer:

12.6 miles every hour

Step-by-step explanation:

113.4 divide by 9 equals 12.6 so 12.6 times 9 hours equals 113.4 this is so easy its 4 grade work i am in 8th

7 0
3 years ago
The height of a boy is 1.46 meters. If there are approximately 3.28 feet in one meter, what is the height of the boy in inches?
grigory [225]
The boy is 4.79 ft tall.
Use the conversion formula of,
d(ft) = d(m) / 0.3048

8 0
3 years ago
An object is launched with a velocity at 64 feet per second from a platform 30 feet high. the function H(t)= -16t2+64t+30 repres
PolarNik [594]
To find the maximum or minimum value of a function, we can find the derivative of the function, set it equal to 0, and solve for the critical points.

H'(t) = -32t + 64

Now find the critical numbers:

-32t + 64 = 0

-32t = -64

t = 2 seconds

Since H(t) has a negative leading coefficient, we know that it opens downward. This means that the critical point is a maximum value rather than a minimum. If we weren't sure, we could check by plugging in a value for t slightly less and slighter greater than t=2 into H'(t):

H'(1) = 32

H'(3) = -32

As you can see, the rate of change of the object's height goes from increasing to decreasing, meaning the critical point at t=2 is a maximum.

To find the height, plug t=2 into H(t):

H(2) = -16(2)^2 +64(2) + 30 = 94

The answer is 94 ft at 2 sec.
4 0
3 years ago
Find the side length of a cube when the volume is 216 ft cubed. A) 72 ft B) 6 ft C) 108 ft D) 219 ft
andrew11 [14]
If its 216 cubic inches it would be A)
5 0
3 years ago
Read 2 more answers
How to find the recursive formula?
Alex787 [66]
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3 years ago
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