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MrRissso [65]
3 years ago
11

Someone please help me !

Mathematics
1 answer:
Gwar [14]3 years ago
4 0
30 = arc BC / 2
arc BC = 2(30)
arc BC = 60

answer
D. 60
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PLEASE HELP! Neil has been running a tutoring business since 2005. He charges a monthly fee for weekly tutoring sessions and a p
Alina [70]

Answer:

Step-by-step explanation:

A. Rate of change (or slope) is $50

The initial tutoring fee starts out at $1200 in 2005

How do you know? Each year the cost goes up $50

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    2007 = $1300

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B.  y=50x+b

3 0
3 years ago
What is the sum of the first 10 terms of the sequence defined by an=2n-3
makvit [3.9K]
a_n = 2n - 3

\text {When n = 10,}

a_{10} = 2(10) - 3

a_{10} = 17 \text { Answer (B)}

------------------------------------------
Answer: The 10th term is 17.
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5 0
3 years ago
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Which pair of ratios form a proportion?
kumpel [21]
B.) 10:18 and 25:45
You can simplify this.
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5:9.
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5 0
3 years ago
HELP! WILL GIVE BRAINLIEST!
goblinko [34]

Answer:

(2x+16) + (x) = 180

Step-by-step explanation:

The opposite angles of a quadrilateral inscribed inside a circle will be supplementary angles, meaning that A+C=180, and B+D=180. A+C is not given in the answers below, but B+D is, so that is the correct answer.

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6 0
3 years ago
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The perimeter of the rectangle is 76 units. Find the length of side pq
larisa [96]

Answer:   PQ=16\ units

Step-by-step explanation:

The missing figure is attached.

The perimeter of a rectangle is:

P=2l+2w

Where "l" is the lenght and "w" is the width.

You can identify in the figure that:

w=SR=PQ=2z+2\\\\l=QR=PS=3z+1

Then, knowing the perimeter of the rectangle, you can make the subsitution into the formula:

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Now you must simplify and solve for "z"

76=6z+2+4z+4\\\\76-6=10z\\\\70=10z\\\\\frac{70}{10}=z\\\\z=7

Finally, substituting the value of "z" into  PQ=2z+2, you get:

 PQ=2(7)+2=16\ units

6 0
3 years ago
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