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abruzzese [7]
3 years ago
10

FELFER

Mathematics
1 answer:
frozen [14]3 years ago
8 0

Answer:

um, yes. And he will need 156 tickets.

Step-by-step explanation:

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The graph of a quadratic function does not cross the x-axis, but crosses the y-axis in one place.
natulia [17]

Answer: D


Step-by-step explanation:

A quadratic function has a degree of 2 so there will be two roots.  The statement says the function does NOT CROSS THE X-AXIS so there are no real roots. That means both roots must be imaginary (complex).

5 0
3 years ago
-3(2x^2+ax+b)=-6x+12x-15 what is the value of a and b
bonufazy [111]
B= -2x+5-2x^2-ax
A= -2x+5-2x^2-b/x 
x=0

5 0
3 years ago
Choose an American adult at random. The probability that you choose a woman is 0.52 . 0.52. The probability that the person you
Nikitich [7]

Answer:

The probability that the person you choose is either a woman or has never been married (or both) is therefore about 0.66

Step-by-step explanation:

Given Data:

Probability of choosing a women = P(W) = 0.52

Probability that chosen person has never married = P(M) = 0.26

Probability of choosing a women that has never married = P(W and M) = 0.11

We need to find the probability that the person you choose is either a woman or has never been married (or both). The addition rule of probabilities of two events is given as:

P(A or B) = P(A) + P(B) - P(A and B)

P(A or B) is the probability of occurrence of either A or B or both. P(A and B) is the probability of occurrence of A and B at the same time.

Re-writing the addition formula for given case, we get:

P(W or M) = P(W) + P(M) - P(W and M)

Substituting the given values results in:

P(W or M) = 0.52 + 0.26 - 0.11

P(W or M) = 0.67

Therefore, the probability that the person you choose is either a woman or has never been married (or both) is 0.67.

Note: There is either typo in given options or the questions. The question I found on Google has 0.25 as the probability that the person you choose has never married ( i.e. P(M) = 0.25 ).

So, in this case the correct answer would be option (b) 0.66

4 0
3 years ago
Tom works at a car dealership selling cars. If he makes $4000 a month and $250 per car he sells, how much did he
pogonyaev

Answer:

Answer = he made 7,000 in July and sold 10 cars in august.

Step-by-step explanation:

3 0
2 years ago
Que son los decimales
navik [9.2K]

Answer:

Los números decimales child valores que denotan números racionales e irracionales, es decir que los números decimales child la expresión de números no enteros, que a diferencia de los números fraccionarios, no se escriben como el cociente de dos números enteros sino como una aproximación de tal valor.

Step-by-step explanation:

3 0
3 years ago
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