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motikmotik
2 years ago
13

A circle with some chord, where a diameter of a circle intersects the

Mathematics
2 answers:
goldfiish [28.3K]2 years ago
8 0

Answer:

This is a theorem that says "if a diameter of a circle bisects a chord, then it is perpendicular."

Step-by-step explanation:

Phoenix [80]2 years ago
7 0

Answer:

Step-by-step explanation:

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A tire company produced a batch of 6 comma 700 tires that includes exactly 250 that are defective.
mezya [45]

the probability that if you pick only one, it's defective, is 250/6700

Therefore, the probability that one is not defective is 6450/6700

a. You want all 4 to not be defective: (6450/6700)^4

b. all 100 have to be not defective: (6450/6700)^100

If you type this into a calculator, you will get about 0.022, so a probability of 2 % that all of them are not defective. As this is a very small probability, the outlet should plan with returned tires.

8 0
2 years ago
-4y + 4 = -2(6x - 2)
Katena32 [7]

Answer:

y= -5

Step-by-step explanation:

5 0
3 years ago
Which quantity can be described as changing at a constant rate?
SSSSS [86.1K]

Answer:

321

Step-by-step explanation:

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3 0
2 years ago
An elevator descends into mine shaft at the rate of 6m/min. If the descend starts from 10m above the ground level , how long wil
AnnyKZ [126]

Answer: Hi!

So first, I'm going to convert "350 below ground level" to -350, as this is what "below ground level" represents.

Now, we should find the total distance traveled. Take the absolute value of -350 (350) and add it to 10, the metres above ground level. This is 360.

We already know the rate of travel; 6m/min. All we have to do now is divide the total distance (360) by the rate of travel (6)!

360 ÷ 6 = 60

So, it took 60 minutes, or one hour, for the elevator to travel down the shaft!

Hope this helps!

6 0
2 years ago
-4(x - 2) - 3x = 2(5x - 7) + 6
Allisa [31]

Answer: last option.

Step-by-step explanation:

To apply the Distributive property, remember that:

c(a-b)=ca-cb

Then, applying this, you get:

-4(x - 2) - 3x = 2(5x - 7) + 6\\\\(-4)(x)+(-4)(-2)-3x=(2)(5x)+(2)(-7)+6\\\\-4x+8-3x=10x-14+6

Combine like terms means that you need to add the like terms.

Therefore, you get:

-7x+8=10x-8

You can observe that the expression obtained matches with the expression provided in the last option.

3 0
3 years ago
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