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slamgirl [31]
3 years ago
9

Which graph shows four points that represent equivalent ratios? (The first linked pic is A and B, the second linked pic is C and

D) AND NO F,U.CKING BOTS, IM TIRED OF IT

Mathematics
1 answer:
lora16 [44]3 years ago
6 0

B looks like the correct answer.

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Simplify and she the steps how to solve this <br><br> (5t^2 + 4) - (6t^2 - 7t + 1)
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Answer:

<u>11t² + 7t + 3</u>

Step-by-step explanation:

⇒ (5t² + 4) - (6t² - 7t + 1)

⇒ 5t² + 4 - 6t² + 7t - 1

⇒ <u>11t² + 7t + 3</u>

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Can someone please explain how to solve this.<br><br> p^-4 x -5p
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P^-4 x -5p

In properties of exponents, if the exponent is negative then you move the variable with the negative exponent to the denominators place and it changes to positive and the numerator becomes 1.

p^-4=1/(p^4)

Also, if no exponent is present it is understood to be 1.

Keeping this in mind,
p^-4 x -5p
1/(p^4) x -5p^1            substituted p^-4 by 1/p^4 and added ^1 to -5p
-5p^1/p^4                     multiplied-5p^1 to 1 
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Hi :) how to do question 7 ?
Gre4nikov [31]

Answer:

Step-by-step explanation:

We khow that the equation of a circle is written this way :

(x-a)²+(y-b)²=r² where (x,y) are the coordinates of the cercle's points and (a,b) the coordinates of the cercle's center and r the radius .

Our task is to khow the values of a and b :

  • We khow that the center is lying on the line 3x+2y=16⇒ 2y=-3x+16⇒ y= \frac{-3}{2}x+8  
  • We khow that the points P and Q are two points in the cercle
  • Let Ω be the center of this cercle
  • we can notice that : PΩ AND QΩ are both equal to the radius ⇒ PΩ=QΩ= r
  • So let's write the expression of this distance using vectors KHOWING THAT Ω(a,b)
  • Vector PΩ(a-4,b-6) and Vector QΩ(a-8,b-2)
  • PΩ=\sqrt{(a-4)^{2}+(b-6)^{2}  } and QΩ=\sqrt{(a-8)^{2}+(b-2)^{2}   }
  • Let's substitute a by x and b by y
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  • we substitute a by 4 and y by 2 in PΩ to get the radius
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If 20 is one third of a number the result is the double of the number. what is the number?
PSYCHO15rus [73]

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Step-by-step explanation:

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