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Andru [333]
3 years ago
12

A box has 3 hockey and 6 football cars.What is the probability of selecting a hockey card, keeping it out, and then selecting a

Mathematics
1 answer:
NARA [144]3 years ago
4 0
The probability is you get both
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A game involves spinning the spinner. What is the probability of the pointer landing on R
Goshia [24]
The answer would be A. 1/4.
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3 years ago
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F(x)=25x^2-10x+1 what is the the value of the discriminant of f ​
Elanso [62]

Answer:

0

Step-by-step explanation:

Quadratic equation

x=\frac{-b+-\sqrt{b^{2}-4*a*c} }{2*a}

The discriminant is the part of the quadratic formula within the square root symbol: {b^{2}-4*a*c}.  The discriminant indicates if there are two solutions, one solution, or none.

The discriminant can be positive, zero or negative which determines how roots exist for the given quadratic equation.

So, a positive discriminant tell us that the quadratic has two different real solutions.

A discriminant of zero tell us that the quadratic has two real and equal solutions.

And a negative discriminant tell us that none of the solutions are real numbers.

In this case: 25x^2-10x+1=0

We can see that

a= 25    b=-10   c=1

Using:  {b^{2}-4*a*c}

We have  -10^{2}-4* 25*1 =100-100=0

the answer is zero, so the quadratic has two real and equal solutions

7 0
3 years ago
Suppose j varies jointly with g and v, and j=1 when g=4 and v=5. what is j when g=10 and v=9?
Tems11 [23]
J\alpha gv
j=agv where a is a constant of proportionality.
j=1 when g=4 and v=5
1=a*4*5
1=20a
a=1/20
a= 0.05
j=0.05gv
When g=10 and v=9,
j=0.05*10*9
j=0.5*9
j=4.5
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3 years ago
Find the next three terms in the geometric sequence 2, -4, 8, -16,...
blagie [28]
Answer: 32, -64, 128, -256
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3 years ago
What is the square root of 2​
Aliun [14]

Answer: is 1.41421 hope this helps :)

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3 years ago
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