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Murrr4er [49]
3 years ago
15

Find the solution of this equation using completing the square? y=x² + 4x - 5

Mathematics
1 answer:
Dennis_Churaev [7]3 years ago
3 0

no lo se paa

bu sc ea

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I need help. Because is an important homework.​
Stella [2.4K]

i write everything in the exploration

Step-by-step explanation:

MN=31

KN=45

K=61°

L=119°

M=61°

CF=10

FE=15

CE=14

GD=11

QR=19

SR=24

PT=21

SQ=20

QRS=70°

PQS=53°

RPS=35°

PSQ=53°

7x-2=12x-22

-2=5x-22

20=5x

x=4

7×4-2=26 (12×4-22=26)

(2x+11)×2=8x-14

4x+22=8x-14

22=4x-14

36=4x

x=9

( (2×9+11)×2=58. 8×9-14=58. so it's correct)

(3x+5)+(9x-17)=180

12x-12=180

12x=192

x=16

( (3×16+5)+(9×16-17)=53+127=180 so it's correct)

10x-27=2x+29

8x-27=29

8x=56

x=7

10×7-27=43 (2×7+29=43)

V=180-43°=137°

5 0
2 years ago
Enter the sum of numbers as a product of their GCF.
adelina 88 [10]

Answer:

4, 7 ,2

Step-by-step explanation:

5 0
2 years ago
Which measures is equivalent to 126 in.?
Alona [7]
Answer is b my friend hope it helps if ya need me to explain I can for u:3
8 0
3 years ago
Read 2 more answers
Write a polynomial equation in standard form with roots of -3 and 4
liubo4ka [24]

Answer:

I don't know the answer

Step-by-step explanation:

the most seats in guyan

6 0
2 years ago
The volume of a sphere can be described by the following formula, where V = volume and r = radius of the sphere.
Anika [276]

Option C: r = \sqrt[3]{\frac{3V}{4\pi} } is the right answer

Step-by-step explanation:

Given formula for volume of a sphere is:

V = \frac{4}{3}\pi r^3

We have to make r the subject of the formula

Multiplying equation by 3/4

\frac{3}{4}V = \frac{4}{3} * \frac{3}{4} \pi r^3\\\frac{3}{4}V = \pi r^3

Dividing both sides by pi

\frac{3}{4\pi}V =\frac{ \pi r^3}{\pi}\\\frac{3V}{4\pi} = r^3

Taking cube root on both sides

\sqrt[3]{\frac{3V}{4\pi} } = \sqrt[3]{r^3} \\ r = \sqrt[3]{\frac{3V}{4\pi} }

Hence,

Option C: r = \sqrt[3]{\frac{3V}{4\pi} } is the right answer

Keywords: Volume, Sphere

Learn more about volume at:

  • brainly.com/question/12973601
  • brainly.com/question/13063819

#LearnwithBrainly

5 0
3 years ago
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