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kumpel [21]
3 years ago
11

Whats 1 + 1 = ? I don't know? But if you answer you will be brainiest and get 100 points free!

Mathematics
2 answers:
Arada [10]3 years ago
8 0
2 is your answer lol
Sedaia [141]3 years ago
8 0

Answer:

2 lol

Step-by-step explanation:

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Solve the exponent equation for x 7(4x-6)= 1/49
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X=1. Chose C. Hoped that will help
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3 years ago
Simplify 5+10−2^3 <br> thanks in advance
andrey2020 [161]
5+10-2^3
= 7

Step by step:
5+10-2^3
= 15 - 2^3
= 15 - 8
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8 0
2 years ago
The area of the base of a square notepad is 9 square inches what is the length of one side of the base of the notepad
Alex17521 [72]
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3 years ago
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
  • PΩ=QΩ we substitute each distance by its expression
  • After simplyfying the expressions we get finally : -12+8x-8y=0
  • now we have -12x +8x-8y=0 and the line equation 3x+2y-16=0
  • these are simultanious equations so after solving them we get x=3.8 wich is approximatively 4 and y=2
  • we substitute a by 4 and y by 2 in PΩ to get the radius
  • we get r = \sqrt{(4-4)^{2}+(2-6)^{2}  } = 4
  • so r²= 16
  • then the equation is : (x-4)²+(y-2)²=16
5 0
3 years ago
Read 2 more answers
An adult otter weighs 0.695 kilograms. This is 650 grams more than the weigh of a baby otter. How much does a baby otter weigh i
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Answer:

Sea otter pups measure 56 to 61 cm (22-24 in.) in length and weigh 2 to 2.3 kg (4.5-5 lb.).

4 0
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