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ikadub [295]
3 years ago
12

NEED HELP IMMEDIATELY. I WILL BRAINLIEST. NEED TO SOLVE FOR X INTERCEPT

Mathematics
1 answer:
Kay [80]3 years ago
5 0

Answer:

(1+√7,0),(1−√7,0)

Step-by-step explanation:

You can't factor the expression evenly, so use the quadratic formula.

a = 2

b= -4

c= -12

\frac{-b+\sqrt{b^{2}-4ac } }{2a}

\frac{4+\sqrt{16{}-4(2)(-12)} }{2(2)}

\frac{4+\sqrt{16-4(-24)} }{4}

\frac{4+\sqrt{16+96} }{4}

\frac{4+\sqrt{112} }{4}

\sqrt{112} = 4\sqrt{7}

End result: (1+√7,0),(1−√7,0)

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George wants to buy pets for each of his 5 grandchildren if he buys 3 pooples and 2 cats he will spend 1200 if he buys 2 poodles
Gre4nikov [31]

Answer:

Each poodle = $300

Each Cat = $150

Step-by-step explanation:

Let number of poodles be P and number of cats be C

"if he buys 3 pooples and 2 cats he will spend 1200" mathematically:

3P + 2C = 1200-------eq 1

"2 poodles and 3 cats he will spend 1050" mathematically:

2P + 3C = 1050 ------eq 2

So now we have a system of 2 equations with 2 unknowns, we'll solve by elimination

eq 1 x 3 : 3 (3P + 2C) = 3  (1200)

9P + 6C = 3600 ------ eq 3

eq 2 x 2: 2(2P + 3C) = 2(1050)

4P + 6C = 2100---------eq 4

By elimination : eq 3 - eq 4

(9P + 6C) - (4P + 6C) = 3600 - 2100

9P - 4P = 1500

5P = 1500

P = 300  (answer)

Substituting back into eq 1

3(300) + 2C = 1200

900 + 2C = 1200

2C = 1200 - 900

2C = 300

C = 150(answer)

8 0
3 years ago
HELP I NEED HELP ASAP
lawyer [7]

Answer:

i think is B hope it helped sos if its wrong

Step-by-step explanation:

6 0
2 years ago
What is the common ratio between successive terms in the sequence?
Lisa [10]

Answer:

1.5,1.2,0.96,0.768

Common ratio between successive terms

=\frac{1.2}{1.5}

=0.8

<u>OAmalOHopeO</u>

4 0
3 years ago
Help please, will give Brainliest if correct...I need to know if I did this right thx (and yes, that was a bribe)
AVprozaik [17]
The answer is 288cm squared
3 0
3 years ago
What its 600+600 pls help​
olga55 [171]

Answer:

1200 hope this helps you;)

8 0
2 years ago
Read 2 more answers
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