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uysha [10]
3 years ago
6

2-1/2n=3n+16 n=? Help me plz

Mathematics
1 answer:
Sophie [7]3 years ago
7 0
2-1/2n=3n+16 and n= -4
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In the diagram, AB is a tangent to the circle, centre O. D is the mid-point of the chord BC. Given that BAC = x, find COD in the
Westkost [7]

Answer:

\angle COD =\frac{90+x}{2} in term of x

Step-by-step explanation:

Given that AB is tangent to a circle with center O and radius of OC=OB

D is the mid-point of the chord BC and D is 90

Here, Angle BAC = x.

From figure,

AC is a straight line.

we can write as

\angle AOB+\angle BOD +\angle COD =180

Since D is the mid-point of the chord BC

We know,

Angle opposite to sides are congruent

\angle BOD=\angle COD

So,

\angle AOB+\angle BOD +\angle COD =180

\angle AOB +2\angle COD =180

Now, In triangle AOB

\angle ABO = 90

Therefore,

\angle AOB+\angle ABO+\angle BAO=180

\angle AOB=90-x

Therefore.

\angle AOB +2\angle COD =180

(90-x) +2\angle COD =180

-x+2\angle COD =90

2\angle COD =90+x

\angle COD =\frac{90+x}{2}

Thus, \angle COD =\frac{90+x}{2}

6 0
4 years ago
What is the equivalent of 3/4=?/8?
Phoenix [80]
The equivalent to 3/4 is 6/8. 
8 0
3 years ago
Read 2 more answers
What is 20 over 24 in a percent
Gala2k [10]

\frac{20}{24}


If you want to find the answer just divide the 20 by the 24, then multiply by 100 to get your percentage.

20 ÷ 24 = 0.83

0.83 × 100 = 83%

↑   ↑   ↑  Hope this helps! :D

7 0
3 years ago
Graph the line that has an x intercept (-3,0) and y intercept (0,-5)
Licemer1 [7]

Answer:

Step-by-step explanation:

Plot points at the given points and connect with a line.

6 0
4 years ago
Which of the following is an example of how cultural and social factors can influence a consumers decisions to buy a product? A:
serg [7]

Answer: A makeup brand is endorsed by a celebrity

Step-by-step explanation:

Cultural and social factors can influence a consumers decisions to buy a product. Due to the way of life of certain people and the society, some people make decisions that goes in line with what the society wants or thinks is the best.

For example, when people see celebrities using a particular product, they see the product as being more fashionable and trendy and therefore will want to use such product too. The believe since celebrities are using that particular product, using it or buying such product will mean the person has a unique taste or trendy and fashionable.

Therefore, a makeup brand is endorsed by a celebrity is the right answer.

4 0
4 years ago
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