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zlopas [31]
3 years ago
5

How many solutions are there to the quadratic equation

Mathematics
1 answer:
Ray Of Light [21]3 years ago
8 0

Answer:

2

Step-by-step explanation:

(-7)^2  -  4*3 *(-2) =   49 + 24  >0

discriminant is positive so 2 real roots

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Norton measured the mass of his luggage. His luggage mass was 21,530 grams. The airline will only allow luggage that has a mass
aliina [53]

Answer:

Yes

Step-by-step explanation:

One Kilogram is 1000 grams.

21,530/1000=21.53

21.53<23

3 0
3 years ago
Please help me with this.............
Paha777 [63]

Answer:

36.5

Step-by-step explanation:

4x+3y-x-3y>=24-15

3x>=9

x>=3

4x+3y>=24

3x+x+3y>=24

x+y>=8-x/[email protected]

x+3y>=15

2x+6y>[email protected]

@[email protected]

3x+7y>=38-x/2=38-1.5=36.5

4 0
3 years ago
Help with math plz! Giving brainlist
Kisachek [45]
First one, 

You add -7 to the pattern. 

5, -2, -9, -16.
50 times is going to be -350. But it starts at 5, so you add 5 to -350... so it should be -345?

second if the top is 7.1 and the bottom is 3.9. The average is (7.1+3.9)/2.
11/2 = 5.5

Add 10 to each number in the pattern.
-7, 3, 13, 23. 
110 times should be 1100, but it starts at -7, so you add -7 to 1100. 1093. :)
7 0
3 years ago
Fill in the blanks to make the equation true. ___ ÷ r x r = p
lana [24]

Answer:

the blank is p

Step-by-step explanation:

mulitplying but r and dividing by r cancel each other out, so you would be left with p=p

8 0
3 years ago
Read 2 more answers
Find all natural numbers x &gt; 1 for which x^2 - 3 is divisible by x-1
choli [55]

Answer: x = { 2 ; 3 }

+) x² - 3 = x² - 1 - 2 = (x - 1)(x + 1) - 2

+) x² - 3 is divisible by x-1 but (x -1)(x + 1) is divisible by x-1

=> 2 must be divisible by x-1

=> x - 1 is divisor of 2

=> (x - 1) ∈ {-1; 1; 2; - 2;}

but x > 1 => x - 1 > 0

⇒ x - 1 = {1; 2; }

+) with x - 1 = 1 => x = 2

           x - 1 = 2 => x = 3

           

Step-by-step explanation:

8 0
3 years ago
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