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3 years ago

B) 3x+2 = 2x + 13 divided by 3

Mathematics

1 answer:

forsale [732]3 years ago

6 0

X=7/3
solution steps:
subtract 2 from both sides
subtract 2x from both sides

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Ron finds 9 books at a bookstore that he would like to buy, but he can afford only 5 of them. In how many ways can he make his s

olga55 [171]

Answer:

d. 126; 70

Step-by-step explanation:

given that Ron finds 9 books at a bookstore that he would like to buy, but he can afford only 5 of them.

Out of 9 books he has to select 5 of them

Here selection of books can be done in any order. Hence order does not matter

No of ways he selects 5 books out of 9 books = 9C5

= 126

Part II

One book is a must

Hence he has options only 4 books from the remaining 8.

No of ways when one book is compulsory = selecting 3 books from 8 books

= 8C4

= 70

Option d is right.

6 0

3 years ago

If the DIAMETER of a circle is 18 inches, what is the length of the radius? *

bekas [8.4K]

Answer:

9 inches

Step-by-step explanation:

The radius is 1/2 of the diameter

r = d/2

r = 18/2 = 9

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3 years ago

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1.In the diagram of circle M shown, various points are located on the circle as shown.   a) List three segments that are radii o

dalvyx [7]

Answer:

(a)|MA|, |MB| and |MC|

(b) |BD|

Step-by-step explanation:

An adapted diagram of this question is attached. You can vary the labelled letters as required.

Definition

A radius is a line drawn from the center of a circle to its circumference.
A segment is a line that connects two points.
A diameter is a chord which passes through the center of the circle.
A chord is any line joining two points on the circles' circumference.

By these definitions:

(a)Segments that are radii of this circle.

We have: |MA|, |MB| and |MC|

(b)Segment that is a diameter of this circle.

|BD|

(c)A chord of this circle that is not a diameter.

|BC|

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3 years ago

KLA=120x KLM=168x ALM=48. Find x

kakasveta [241]

Answer:

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respond poorfa

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3 years ago

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Angie works in a pet store. She needs to divide 36 angelfish, 42 rainbow fish, and 126 goldfish into aquariums so that each aqua

maw [93]

Answer: GCF = 6 aquariums

Step-by-step explanation:

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2 years ago