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nirvana33 [79]
2 years ago
9

The frequency table below will be used to make a histogram.

Mathematics
2 answers:
g100num [7]2 years ago
3 0

Answer:

b the answer

Step-by-step explanation:

Grace [21]2 years ago
3 0
B is the answer to ur question !!
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Lily has 7 fewer ribbons than Dora. Lily has 13 ribbons. How many ribbons does Dora have?
Pie

Answer: 6

Step-by-step explanation:

13-7=6

5 0
2 years ago
Find the equation of a circle given only its diameter endpoints: (-2,1) and (6,-7)
Svet_ta [14]

Answer:

(x - 2)² + (y + 3)² = 32

Step-by-step explanation:

The equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k) are the coordinates of the centre and r is the radius

The centre of the circle is at the midpoint of the diameter

Calculate the centre (x, y ) using the midpoint formula

(x, y ) = ( \frac{x_{1}+x_{2}  }{2} , \frac{y_{1}+y_{2}  }{2} )

with (x₁, y₁ ) = (- 2, 1) and (x₂, y₂ ) = (6, - 7)

(x , y ) = ( \frac{-2+6}{2} , \frac{1-7}{2} ) = ( \frac{4}{2} , \frac{-6}{2} ) = (2, - 3)

The radius is the distance from the centre to either of the endpoints

Calculate the radius using the distance formula

r = \sqrt{(x_{2}-x_{1})^2+( y_{2}-y_{1})^2   }

with (x₁, y₁ ) = (2, - 3) and (x₂, y₂ ) = (- 2, 1)

r = \sqrt{(-2-2)^2+(1-(-3))^2}

  = \sqrt{(-4)^2+(1+3)^2

   = \sqrt{16+4^2}

   = \sqrt{16+16}

   = \sqrt{32}

Then equation of circle is

(x - 2)² + (y - (- 3) )² = (\sqrt{32} )² , that is

(x - 2)² + (y + 3)² = 32

4 0
3 years ago
Read 2 more answers
What is 4(x - 2 + y)?
Shkiper50 [21]

Answer:

4x-8+4y

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
What is x? (X,4) and (-7,-6); slope: 5/7
Ghella [55]

Answer:

Step-by-step explanation:

-6-4=-10

-7-x

x=7

<u>-10</u>

-14    is equal to 5/7

4 0
3 years ago
What is the slope intercept form of y+2=-5/3(x-3)
Setler [38]

Answer:

y=-5/3x+3

Step-by-step explanation:

To find slope intercept form, distribute the slope into the parenthesis:

y+2=-5/3x+5

Subtract 2 from both sides

y+2=-5/3+5

  -2         -2

y=-5/3x+3

7 0
3 years ago
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