4 years ago

Please I want help I want an answer

1 answer:

8 0

14) 23.24778564
15) 38.01327111
The last one, I also need help

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steposvetlana [31]

-12 is a rational number, an integer, a real number, and a whole number.

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3 years ago

almond37 [142]

Hello,

By making factors:
$x^2+y^+2+6x+16y+64=0\\
x^2+6x+9+y^2+16y+64-9=0\\
(x+3)^2+(y+8)^2=9\\
radius=3

$

5 0

4 years ago

Aleksandr-060686 [28]

Ufff lap his tech the task ter he’d just ice up

7 0

3 years ago

Alex787 [66]

Answer:

Step-by-step explanation:

$(3+\sqrt{-16})(6-\sqrt{-64})=(3+4\sqrt{-1})(6-8\sqrt{-1})=2(3+4\sqrt{-1})(3-4\sqrt{-1})\\\\=2(3^2-(4\sqrt{-1})^2)=2(9-(-16))\\\\=2(25)=50$

We make use of the special form for the difference of squares:

(a+b)(a-b) = a²-b²

8 0

3 years ago

AlexFokin [52]

Answer:

2 2/4

Step-by-step explanation:you first see how many times the bottom number goes into the top number, then you put the remainder in a fraction!!

6 0

3 years ago