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melisa1 [442]
3 years ago
5

How do you find the length of an arc of a circle with a radius of 45 cm if the arc subtends a central angle of 20 degrees?

Mathematics
1 answer:
RUDIKE [14]3 years ago
6 0

treonvty trwqnty ewuit

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Jesse walked 3/4 of a mile last weekend. This weekend he wakes 1/2 as far. How far did Jesse wall this weekend ?
Anna35 [415]

3/8 is the answer

3/4 divided by 1/2= 3/8

Hope this helps!

7 0
3 years ago
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The basketball team scored 82 points from 2- points anf 3-points baskets. They make 38 baskets altogether. Let a represent the n
dexar [7]

Answer:

The System of linear equations are:

2a+3b = 82  

a+b=38

Step-by-step explanation:

Here, a represents the number of 2-points and b represent the number of 3-point basket.

As per the statement:

The basketball team scored 82 points from 2- points and 3-points baskets.

⇒ 2a+3b = 82  

It is also given that: They make 38 baskets altogether.

⇒a+b=38

therefore, the system of linear equations are:

2a+3b = 82  

a+b=38

7 0
3 years ago
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Identify the slope and y-intercept of the function y = 4x - 9. O A. The slope is -9. The yintercept is (0,4). B. The slope is 4.
RUDIKE [14]

Answer:

B

Step-by-step explanation:

6 0
3 years ago
The numbers 0.1, 12, 15 and 124 can all be classified as counting numbers?​
andreyandreev [35.5K]

Answer:

No

Step-by-step explanation:

Counting numbers are considered to be whole numbers greater than zero. Whole numbers are positive numbers without decimals or fractions, so 12, 15, and 124 can be classified as counting numbers, but not 0.1.

hope this helps!!!

7 0
2 years ago
Prove the equation (2x+5)2 = 4x (x + 5) +25
shtirl [24]

Answer:  x = -5/2 and x = -3/2

Step-by-step explanation:

(2x + 5)2 = 4x (x + 5) +25

   4x + 10 = 4x² + 20x + 25

   [minus 4x on both sides.]

            10 = 4x² + 16x + 25

   [minus 10 on both sides.]

            0 = 4x² + 16x + 15

ac = 4(15) = 60,then find the factors that add up to 16, which is 6 and 10.

            0 = 4x² + 6x + 10x + 15

            0 = 2x(2x + 3) + 5(2x + 3)

            0 = (2x + 5)(2x + 3)

2x + 5 = 0                                 2x + 3 = 0

       2x = -5                                    2x = -3

         x = -5/2                                    x = -3/2

3 0
2 years ago
Read 2 more answers
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