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iris [78.8K]
3 years ago
15

Morgan saw 10 blue, 8 red, and 42 white cars drive by her house in 1 hour. What is the experimental probability that the next ca

r that drives by her house will not be a white car?
Mathematics
2 answers:
inn [45]3 years ago
7 0

Answer:

Step-by-step explanation:

Firstly add all the probabilities together

10 + 8 + 42 = 60

42 White Cars drove by

This can be displayed as 42/60

I do believe that you do not need to simplify Probabilities but you can if you want.

sesenic [268]3 years ago
7 0

Answer: 0.7

Step-by-step explanation:

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Graph the image of QRS after a rotation 270º counterclockwise around the origin.
sergij07 [2.7K]

Answer:

Q=(1,-5)

R=(5,-5)

S=(2,-7)

Step-by-step explanation:

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3 years ago
La funcion que representa el beneficio obtenido por una empresa si vende x unidades de uno de sus productos es f(x)= -70x^2+2800
DerKrebs [107]

Answer:

20

Step-by-step explanation:

La función es

f(x)=-70x^2+2800x-45000

Diferenciando con respecto a x obtenemos

f'(x)=-140x+2800

Igualar con cero

0=-140x+2800\\\Rightarrow x=\dfrac{2800}{140}\\\Rightarrow x=20

Doble derivada de la función

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3 0
3 years ago
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Annette [7]

Answer:

A.

Step-by-step explanation:

8 0
3 years ago
50 Points. what is the value of x
amm1812

Answer:

X will be = to 6°

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7 0
3 years ago
Read 2 more answers
Does anyone know the answer to this one?
polet [3.4K]

Answer:

\large\boxed{a(x+4)(x-5)=0,\ a\in\mathbb{R}-\{0\}}\\\\\text{for}\ a=1\to\boxed{x^2-x-20=0}

Step-by-step explanation:

\text{If}\ x_1\ \text{and}\ x_2\ \text{are the roots of the quadratic equation}\ ax^2+bx+c=0,\\\text{then}\ ax^2+bx+c=a(x-x_1)(x-x_2).\\\\\text{If}\ x_1\ \text{and}\ x_2\ \text{, then they are the roots of the quadratic equation.}\\\\\text{We have}\ x_1=-4\ \text{and}\ x_2=5.\ \text{Therefore we have the equation:}\\\\a(x-(-4))(x-5)=0\\\\a(x+4)(x-5)=0\qquad\text{for any value of}\ a\ \text{except 0}.

7 0
3 years ago
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