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mojhsa [17]
3 years ago
5

Which is a zero of the quadratic function f(x) = 16x2 + 32x − 9?

Mathematics
1 answer:
Margaret [11]3 years ago
9 0
The zeros are x=-2.25 and x=0.25
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artcher [175]
Set the function equal to 2065 and solve for g, then that answer is how many games he played
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3 years ago
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A standard number cube is tossed. Find the following probability. ​P(greater than 4 or odd​)
lorasvet [3.4K]
A standard cube has 6 possible outcomes. But since we want to find P(4+ or odd), the outcomes become more narrow.
So:
6 outcomes -> 1, 2, 3, 4, 5, 6

But we want to find 4+
So:
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We also want to find all odd possibilities.
So:
odd = 1, 3, 5

As you can see, there is a 5 in both the 4+ and the odd numbers so 5 will only be counted once.
P(4+ or odd) = 1, 3, 4, 5, 6

So the probability of having an outcome that is P(4+ or odd) is:
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8 0
3 years ago
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2x+8y = 6<br> 15x + 20y = 15
Likurg_2 [28]

Answer:

The solution is (0, 3/4)

Step-by-step explanation:

Please copy and share the instructions.  Here they are:  Solve the following system of linear equations.

Both of the equations can be reduced (simplified):

2x+8y = 6            =>  x + 4y = 3

15x + 20y = 15     => 3x + 4y = 3

Let's use the elimination by addition and subtraction method.  Multiply the first equation by -1, obtaining

                                 -x - 4y = -3

Add the second       3x + 4y = 3

equation to the

first.

We get:                       2x = 0.

Thus, x = 0.  Substituting 0 for x in the 1st original equation yields:

2(0) + 8y = 6.  Then y = 6/8, or y = 3/4.

The solution is (0, 3/4).

4 0
3 years ago
Alexndra earns $125 from her paper route each month but she spends about $20 each month on personal expenses.To pay for a school
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It would take Alexandria 8 months to earn the money. 

125-20= 105 monthly earnings after personal expenses 
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8x105= 840

8 0
3 years ago
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3. Which value of x makes the equation 3.5(2x - 4) = 21 true
Grace [21]

Answer:

5

Step-by-step explanation:

7 0
3 years ago
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