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White raven [17]
2 years ago
5

How many chords are determined by joining dots on a circle

Mathematics
1 answer:
Aleonysh [2.5K]2 years ago
3 0

Answer:The calculation is that from each of the point a chord can be connected to the 7 other points… and that makes 56 chords.

Step-by-step explanation:

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Tell what number you would add to each side of the inequality. please answer ASAP
Novay_Z [31]

Step-by-step explanation:

x - 12 < 15

x < 15 + 12

x < 27

For x < 27 , i will add a number smaller than 27.

x = {26,25,24,23, etc}

5 0
3 years ago
Factor Polynomial<br> 3y^2+y-14
iris [78.8K]

Answer:

<em>Factored Form: </em><em> </em><em>( y - 2 )( 3y + 7 )</em>

Step-by-step explanation:

<em>1. Let us first write down the problem at hand: </em>3y^2 + y - 14

<em>2. Now let us break this expression into groups:  </em>

3y^2 - 6y + 7y - 14  ⇒ ( 3y^2 - 6y )( 7y - 14 )

<em>3. Factor 3y from 3y^2 - 6y:</em>

3y^2 - 6y ⇒ 3y( y - 2 )

<em>4. Factor 7 from 7y - 14:</em>

7y - 14 ⇒ 7( y - 2 )

<em>5. Substitute Step #3, 4 ⇒ Step #2:</em>

3y( y - 2 ) + 7( y - 2 )

<em>6. Factor common term y - 2:</em>

<em>Answer: ( y - 2 )( 3y + 7 )</em>

4 0
3 years ago
Dharmesh has a square garden with a perimeter of 132 feet. Is the area of the garden greater than 1,000 square feet?
Delvig [45]

Answer: Yes. The area is 1089 square feet.

Step-by-step explanation:

For a square, all the sides are equal: L = W

Hence, the perimeter of a square = 4 × L

Perimeter = 4L

132 = 4L

132 ÷ 4 = L

33 = L = W

Area of a square with 33 feet sides = L × L = 33 × 33 = 1089

1089 > 1000

3 0
3 years ago
Solve each equation for given variable<br> -5i -15 = 15
Illusion [34]

Answer:

i= -6

Step-by-step explanation:

-5i-15=15

if we use inverse operation here, it would be -5i=30, so i= -6

5 0
3 years ago
Read 2 more answers
The Area of a rectangle is 3x2 + 9x square inches. The length of the rectangle is 3x inches.
Roman55 [17]

Width of the rectangle is x + 3 in

Step-by-step explanation:

  • Step 1: Given area of the rectangle = 3x² + 9x in². Length = 3x in. Find width.

Area = length × width

3x² + 9x = 3x × width

∴ Width = 3x² + 9x/3x = x + 3 in

3 0
3 years ago
Read 2 more answers
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