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Serjik [45]
3 years ago
9

I need help with 1-43

Mathematics
1 answer:
Liono4ka [1.6K]3 years ago
8 0
1-43 =

-42

You can always subtract the opposite and add the negative 
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What is the answer for 3/8 + 1/2=
torisob [31]
3/8 + 1/2 = 0.875

0.875 As a fraction is <span>equivalent to 7/8

So...... 3/8 + 1/2 = 7/8</span>
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Which equation is y = (x 3)2 (x 4)2 rewritten in vertex form? y = 2 (x seven-halves) squared minus one-fourth y = 2 (x seven-hal
Mkey [24]

The equation when rewritten is y=2(x-1/2)^2- 27/2

<h3>Calculations and Parameters:</h3>

When we consider the vertex form of the equation:

y= 3(x-2)^2 - (x-5)^2

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2((x-0.5)^2 - 27/4) = 2( (x-0.5)^2)- 27/2

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1 year ago
Please help me soon!! 10 points common plzzz!
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Step-by-step explanation:

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4 0
3 years ago
can someone explain the proses of solving this? I don't need the answer but a step-by-step explanation would be super helpful!
Klio2033 [76]

Part 1

Focus on triangle ABC.

Since AB is a diameter of the circle, this means angle ACB is 90 degrees. Refer to Thale's Theorem. Or you could use the inscribed angle theorem. Thale's theorem is a special case of the inscribed angle theorem.

Minor arc CB is 48 degrees. Use the inscribed angle theorem to see that angle CAB is 48/2 = 24 degrees.

Therefore, angle CBA = 90 - (angle CAB) = 90 - 24 = 66 degrees

<h3>Answer: 66</h3>

========================================================

Part 2

Inscribed angle CBA was found to be 66 degrees back in part 1.

This doubles to 132 degrees to represent minor arc AC.

Or you could note that:

minor arc AC = 180 - (minor arc CB) = 180 - 48 = 132

Inscribed angle BCD is 48 degrees. This doubles to 96 degrees when using the inscribed angle theorem, and this is the measure of minor arc CBD.

-----------

Here's what we know about the arc measures of the circle

  • minor arc AC = 132 degrees
  • minor arc CB = 48 degrees
  • minor arc BD = 96 degrees

These three arcs, along with minor arc AD, will add up to get a full 360 degree circle. Check out the diagram below.

Adding those 3 pieces gets us 132+48+96 = 276

This means minor arc AD has to be 360 - 276 = 84 degrees

Then use the inscribed angle theorem one more time to divide the minor arc AD in half to get the inscribed angle ACD

84/2 = 42

<h3>Answer:  42</h3>

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