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Drupady [299]
3 years ago
6

Given: BD is a diameter m 1 = 100° m BC = 30° m AC = 60 110 200

Mathematics
1 answer:
KiRa [710]3 years ago
6 0

Answer:

110°

Step-by-step explanation:

m\angle 1 + m\angle 2 = 180\degree

(linear pair angles)

100\degree + m\angle 2 = 180\degree

m\angle 2 = 180\degree- 100\degree

m\angle 2 = 80\degree

\because m\widehat {AB} =m\angle 2

(Measure of the minor arc is equal to the corresponding central angle)

\therefore m\widehat {AB} = 80\degree

\because m\widehat {AC} =m\widehat {AB} +m\widehat {BC}

(By arc sum property)

\therefore m\widehat {AC} = 80\degree+30\degree

\huge \red {\boxed {\therefore m\widehat {AC} = 110\degree}}

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makkiz [27]
The answer is (x-y)^2
hope it helps!!!!!!
the formula is
(a-b)^2
and when you expand it, it becomes
a^2-2ab+b^2
8 0
3 years ago
Find the midpoint of the line segment joining the points P1 and P2.
ludmilkaskok [199]

Formula for midpoint between two points is M(x,y)

x=(x1+x2)/2 and y=(y1+y2)/2

In our case (x1,y1)=(m,b) and (x2,y2)=(0,0)

x=(m+0)/2=m/2 and y=(b+0)/2=b/2     M(m/2,b/2)

Good luck!!!

7 0
3 years ago
Which graph shows a dilation of the triangle with a scale factor of 3
8090 [49]

I'd say the 3rd one. I haven't done this stuff in 2 years ... me forgot. But if it's not right, then the 1st one!

I want you to know you're smart and you can do this! Good luck!

3 0
3 years ago
Read 2 more answers
Manny buys four boxes of straws for his restaurant there are 500 straws in each box how many straws does he buy
Karolina [17]

Answer:

2000 straws

Step-by-step explanation:

4 × 500 = 2000

4 0
3 years ago
[Algebra 2] Find the quotient with the necessary restrictions.​
Tatiana [17]

Answer:

The correct answer is:   3x² (4x - 1) / (x - 4) (x - 3) ∧ restriction x ≠ 3, x ≠ 4, x ≠ 0 and x ≠ 1/4

Step-by-step explanation:

Given:

((16x² - 8x + 1) / (x² - 7x + 12)) : ((20x² - 5x) / 15x³) =

dividing with one fraction is the same as multiplying with its reciprocal value

((16x² - 8x + 1) / (x² - 7x + 12)) · (15x³ / (20x² - 5x))

First we need to factorize both numerators and denominators

16x² - 8x + 1 = (4x - 1)²   This is square binomial

x² - 7x + 12 = x² - 4x - 3x + 12 = x (x - 4) - 3 (x - 4) = (x - 4) ( x - 3)

20x² - 5x = 5x (4x - 1)

(4x - 1)² / (x - 4) (x - 3) ·  15x³ / 5x (4x - 1)

The existence of this rational algebraic expression is possible only if it is:

x - 4 ≠ 0 and x - 3 ≠ 0 and x ≠ 0 and 4x - 1 ≠ 0  =>

x ≠ 4 and x ≠ 3 and x ≠ 0 and x ≠ 1/4  This is restriction

Finally we have:

3 x² (4x - 1) / (x - 4) (x - 3)

God with you!!!

8 0
3 years ago
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