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3 years ago

What can be concluded about the distance from point B to CD?

Mathematics

1 answer:

azamat3 years ago

3 0

Remark
Good thing you tried to answer the question. At lease we know how to proceed.

A is wrong, because you can draw a conclusion.

B Remember that CD is constructed so that AB is cut in half. So the distance from CD to B is the same distance as CD to A. Choice B is true.

C is incorrect. CD can be extended to any length as long as CD goes through the point where the two arcs above and below AB meet are joined by C and D, then CD can be any length. In order words, CD can be any length.

D Doesn't have to be. See the answer for C.

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An oil tank has to be drained for maintenance. The tank is shaped like a cylinder that is 4 ft long with a diameter of 2.2 ft. S

gavmur [86]

Answer:

$8\:\mathrm{minutes}$

Step-by-step explanation:

The volume of a cylinder is given as:

$r^2\cdot\pi\cdot h$

Since the diameter is $2.2$ , the radius is $\frac{2.2}{2}=1.1$ .

Therefore, the volume of this cylinder is:

$1.1^2\cdot 3.14\cdot 4=15.1976\:\mathrm{ft^3}$ , using $\pi=3.14$ as requested in the problem.

Since the tank is emptied at a constant rate of $1.5\:\mathrm{ft^3\:per\:minute}$ , it will take

$\frac{15.1976}{1.5}=7.5988=\fbox{$8\:\mathrm{minutes}$}$ to empty the tank.

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3 years ago

Last week, labron jogged for 2 1/4 miles. This week , he plants to jog 2 times as far as last week. How many miles does Lebron P

Shtirlitz [24]

Answer:

4.5 miles

Step-by-step explanation:

2 times as far as last week

last week was 2.25 miles

2* 2.25 = 4.5 miles

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3 years ago

Read 2 more answers

The vertex of -5(x+2)^2-6

4vir4ik [10]

Answer:

(0,6).

Step-by-step explanation:

Consider the standardised form of y=ax2+bx+c. Written as y=a(x2+bax)+c. xvertex=(−12)×ba → (−12)×0−1=0.

Mark me brainliest

7 0

2 years ago

If two angles are adjacent and have a sum of 180, then they are?

cupoosta [38]

They are most likely 90 degrees, due to the sharing of a common side and a common vertex. They really could be anything though. If given more details, I will give a better answer. I still would like Brainliest, however.

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3 years ago

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1/4 times 24 times 2/3

Strike441 [17]

24(1/4)= 6

6(2/3)= 12/3= 4

The answer is 4. Hope this helps!

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3 years ago