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Mademuasel [1]
3 years ago
9

Determine whether each argument is valid. if the argument is valid, give a proof using the laws of logic. if the argument is inv

alid, give values for the predicates p and q over the domain {a, b} that demonstrate the argument is invalid. (a) ∃x (p(x) ∧ q(x)) ∴ ∃x q(x) ∧ ∃x p(x) hegg
Mathematics
1 answer:
Ede4ka [16]3 years ago
6 0
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The answer is c. The problem can be solved graphically
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2 years ago
Write this equation in vertex form.<br> y = x^2 -12x +20
kotegsom [21]

Answer:

y = (x-6) ^ 2 -16

Step-by-step explanation:

The vertex form for a quadratic equation has the following form:

y = (x-h) ^ 2 + k

Where the vertice of the equation is the point (h, k)

To transform the equation y = x ^ 2 -12x +20 in its vertex forms we must find its vertex.

Be a quadratic equation of the form:

ax ^ 2 + bx + c

Where a, b and c are real numbers, then the vertex of the equation will be:

x = - \frac{b}{2a}

For the given equation:

b = -12\\a = 1

Therefore the vertice is:

x = - \frac{-12}{2(1)}\\\\x = 6

Now we substitute x = 6 into the equation and find the value of k.

y = (6) ^ 2 -12 (6) +20\\\\y = -16 = k

Therefore the vertice is: (6, -16)

And the equation is:

y = (x-6) ^ 2 -16

8 0
2 years ago
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The cost table shows the average cost, a(x), of
erastovalidia [21]

Reverse the numbers in the table to get:

(52,20) (67.5,25) and (64,30)

The answer would be (52,20)

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2 years ago
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Cara saw an advertisement claiming 5 out of 6 students prefer talking on the phone over texting. She predicts that 500 out of 60
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5/6 is not the definite ratio, when you take a larger sample size it could be off by a bit like 499/600 or 501/600
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3 years ago
If a pint of cough syrup contains 473 ml of medication, how many full 13 ml doses are in the bottle?
eduard

Answer:

36

Step-by-step explanation:

473/13

= 36 .38

round to the lower whole number

8 0
2 years ago
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