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enyata [817]
3 years ago
15

Find the area of a circle with radius 5 in . use the value 3.14 for π , and do not round your answer. be sure to include the cor

rect unit in your answer.
Mathematics
1 answer:
Hoochie [10]3 years ago
4 0

3.14 x 5² = 78.5 in² <==== area of circle

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What is the rate of change?? please i need asap
Mariana [72]

Answer: Rate of change is used to mathematically describe the percentage change in value over a defined period of time, and it represents the momentum of a variable. ... Subtract one and multiply the resulting number by 100 to give it a percentage representation.

Step-by-step explanation:

7 0
2 years ago
Need help, and please answer
masya89 [10]

Answer:

7(2+x)(2-x)

Step-by-step explanation:

observe

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6 0
3 years ago
Find the equation of the line that passes through points (3,5) and (-6,2). Write the equation in slope intercept form.
andrezito [222]
1)  gradient of line = Δ y ÷ Δ x
                              = (5 -2) ÷ (3 - (-6))
                              = ¹/₃
   
     using the point-slope form (y-y₁) = m(x-x₁)
     using (3,5)
           (y - 5) = ¹/₃ (x -3)
             y - 5  = ¹/₃x - 1
        ⇒      <span>  y =   ¹/₃ x  + 4  [OPTION D]


</span>2)        y =  2x  +  5  .... (1)
<span>           </span>y = ¹/₂ x  + 6  .... (2)
       
         by substituting y in (1) for y in (2)

           2x  +  5 = ¹/₂ x  + 6 
                 ³/₂ x = 1
                      x = ²/₃

        by substituting found x (2)

            y = ¹/₂ (²/₃)  + 6
            y = ¹⁹/₃

∴ common point is (²/₃ , ¹⁹/₃)  thus answer is FALSE [OPTION B]


3) Yes [OPTION A]
     This is because the both have a gradient of 5 and if they have the same gradient then that means that the two lines are parallel to each other.

4) No [OPTION B]
       Two lines are perpendicular if their gradients multiply to give - 1 and as such one is the negative reciprocal of the other.  Since both gradients are ¹/₂ then they are actually parallel and not perpendicular.

6 0
3 years ago
Daniel is drawing a plan for a new animal pen for his farm. The rectangle plotted in the coordinate plane represents the pen, me
Nat2105 [25]

Answer:

22ft

Step-by-step explanation:

I just did the edge.

3 0
3 years ago
1 foot =12 inches therefore 3 feet = what
scoundrel [369]

Answer:

36 inches

Step-by-step explanation:

Just multipy 3 by 12.

5 0
3 years ago
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