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Xelga [282]
2 years ago
15

Given that chord EF is a diameter of circle D, which of the following names a major arc?

Mathematics
2 answers:
Bogdan [553]2 years ago
8 0

Answer:

A is the correct answer

Step-by-step explanation:

Thepotemich [5.8K]2 years ago
3 0

Answer:

The correct option is A.

Step-by-step explanation:

It is given that the chord EF is a diameter of circle D.

Arc is a part of circumference. If two points lying on a circle then the shortest arc is called the 'minor arc' the longer one is called the 'major arc'.

The arc EGC is the sum of arc EG,GF and FC. The length of EGC is more than half of the circumference because EF is diameter and a diameter divides the circumference in two equal parts.

The arc EGF is the sum of EG and GF. Therefore arc EGF is less than EGC. Therefore option B is incorrect.

The arc EG is less than EGC. Therefore option C is incorrect.

The arc ECF is the sum of EC and EF. The length of ECF is half of the circumference because EF is diameter. Therefore arc ECF is less than EGC. Therefore option D is incorrect.

So, the correct option is A.

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Simplify: 2cd3(c − d + 5)
maw [93]

Answer:

A)

Step-by-step explanation:

I used an Algebra app :) it is correct.

8 0
3 years ago
Write the sentence as an equation z and 40 more is the same as 344
KengaRu [80]
Your answer z+40=344
3 0
2 years ago
Need help!!! I dont get it
lesya692 [45]

Answer:

4/3π - √3

Step-by-step explanation:

Pie piece of circle is area of circle x portion of circle

πr²*x/360 = π(2)²*120/360 = 4/3π

Then you must subract the non-right triangle area

1/2ab sin C = 1/2(2)(2) sin 120 = 2 * √3/2 = √3

4/3π - √3

7 0
2 years ago
On the Richter scale, the magnitude, M, of an earthquake is given by M= 2/3logE/Eo, where E is the energy released by the earthq
Ivahew [28]

Answer:

See below

Step-by-step explanation:

Part A

<em><u>Formula</u></em>

M = 2/3 * log(E/Eo)

<em><u>Givens</u></em>

M = ??

E = 2 * 10^15 joules

Eo = 10^4.4

<em><u>Solution</u></em>

M = (2/3) * log(2 * 10^15 / 10^4.4)

M = (2/3 ) log (7.96 * 10 ^ 11)

M = (2/3) * 11.901

M = 7.934

Part B

What the question is saying is that E/Eo = 10000

You don't have to figure out exact values.

M = 2/3 * log(10000)

M = 2/3 * 4

M = 8/3 or 2 2/3 or 2.66667

If you have choices, please list them.

4 0
3 years ago
A) {y=2x
sladkih [1.3K]

We can see that

both lines intersects at origin

so, the solution is x=0 and y=0

now, we will check each options

option-A:

y=2x

y=-4x

now, we can set them equal

and then we can solve for x

-4x=2x

6x=0

x=0

now, we can find y

y=2*0

y=0

so, solution is x=0 and y=0

so, this correct...........Answer


5 0
3 years ago
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