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satela [25.4K]
3 years ago
15

Could someone explain thanks ive attached a picture

Mathematics
1 answer:
krek1111 [17]3 years ago
3 0
We use a conjecture that says that the perpendicular bisector of a chord in a circle passes through the center of the circle.

The distances of the two bisectors are the same so the chord lengths are the same.

b = half of 22.5 = 11.25

The answer to your question is 11.25.
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-2(2x+3)=-4(x+1) - 2
mario62 [17]

Answer:

All real numbers are solutions

Step-by-step explanation:

Let's solve your equation step-by-step.

−2(2x+3)=−4(x+1)−2

Step 1: Simplify both sides of the equation.

−2(2x+3)=−4(x+1)−2

(−2)(2x)+(−2)(3)=(−4)(x)+(−4)(1)+−2(Distribute)

−4x+−6=−4x+−4+−2

−4x−6=(−4x)+(−4+−2)(Combine Like Terms)

−4x−6=−4x+−6

−4x−6=−4x−6

Step 2: Add 4x to both sides.

−4x−6+4x=−4x−6+4x

−6=−6

Step 3: Add 6 to both sides.

−6+6=−6+6

0=0

Answer:

All real numbers are solutions.

8 0
3 years ago
Which are the solutions of the quadratic equation?
weeeeeb [17]
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4 years ago
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Which one doesn’t belong and why? (look at the picture)
QveST [7]
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Select the correct answer.<br> Which statement is true about this equation?<br> y = –3x^2+ 4x - 11
USPshnik [31]

9514 1404 393

Answer:

  a. It represents both a relation and a function

Step-by-step explanation:

The expression on the right is a polynomial of degree 2.

Any polynomial in a single variable is a function.

Any function is a relation.

So, ...

   it represents both a relation and a function

3 0
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