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Aleks [24]
3 years ago
6

The equation 4(x – 3)2 – 5 = 139 has two solutions: one positive and one negative. What is the

Mathematics
1 answer:
AlekseyPX3 years ago
3 0

Answer:

Step-by-step explanation:

4(x-3)2-5 = 139

(4x-12)-5=139

-20x + 60 = 139

-20x +60 - (60) = 139- 60

-20x = 79 divide both sides by -20

x = -3.95

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luda_lava [24]

Answer:

PE/SE = 5.02×10¹

Step-by-step explanation:

Sun-Earth (SE) = 93×10⁶ miles

Pluto-Earth (PE) = 4.67×10⁹ miles

so, PE/SE = (4.67×10⁹) / (93×10⁶) = (4.67×10³)/93 =

= 50.215053763440860215... =

= 5.02×10¹ / 1 or simply 5.02×10¹

in other words, Pluto is a little bit more than 50 times farther away from Earth, than Earth is from the Sun.

6 0
3 years ago
What are the fourth roots of 256
qwelly [4]
The fourth root of 256 is 4:
{4}^{1}  = 4 \\  {4}^{2}  =4 \times 4 =  16 \\  {4}^{3}  = 16 \times 4 = 64 \\  {4}^{4}  =64 \times 4 =  256
7 0
3 years ago
-4 y over 5 equals -20
AlladinOne [14]

y = 25 is the answer.

8 0
3 years ago
I need help with all of these
Olin [163]
If you take your calculator and enter in -82+28 it should give you the answer easily If you dont have one use ur phone.

Easiest way 1.o.1
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