3 years ago

The tank of a car holds 10 gallons of gas.

Mathematics

1 answer:

atroni [7]3 years ago

3 0

Need another number or a variable

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Tanner scored 12 more points than Jason in a basketball game. If p represents the number of points that Tanner scored?

lakkis [162]

Answer: p-12 would find how many points Jason scored

Step-by-step explanation

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3 years ago

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Which conjunction or disjunction is equivalent to the this inequality?

Sloan [31]

5 - 3lp + 4l ≤ -10

Subtract 5 from both sides.

-3lp + 4l ≤ -15

Divide both sides by -3.

|p + 4| ≤ 5

p + 4 ≤ -5 or p + 4 ≥ 5

Answer is option C. p + 4 ≥ 5 or p + 4 ≤ -5

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3 years ago

Compute the value of the discriminant and give the number of real solutions to the quadratic equation:

dexar [7]

$ax^2+bx+c=0\\$
$3x^2-7x+9=0$
a=3 b=-7 c=9
$\Delta=b^2-4ac=(-7)^2-4*3*9=49-108=-59$
$\Delta$
If the delta is less than zero and if no polynomial real roots

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3 years ago

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x P(x) 0 0.25 1 0.3 2 0.1 3 0.35 Find the standard deviation of this probability distribution. Give your answer to at least 2 de

barxatty [35]

Answer:

The standard deviation of this probability distribution is 1.2.

Step-by-step explanation:

We have that:

P(X = 0) = 0.25

P(X = 1) = 0.3

P(X = 2) = 0.1

P(X = 3) = 0.35

Mean:

Each value multiplied by its probability. So

$M = 0*0.25 + 1*0.3 + 2*0.1 + 3*0.35 = 1.55$

Variance:

Sum of the squares of the values subtracted from the mean, and multiplied by its probability.

$V = 0.25*(0-1.55)^2 + 0.3*(1-1.55)^2 + 0.1*(2-1.55)^2 + 0.35*(3-1.55)^2 = 1.4475$

Standard deviation:

Square root of the variance. So

$S = \sqrt{V} = \sqrt{1.4475} = 1.2$

The standard deviation of this probability distribution is 1.2.

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3 years ago

Which statement best explains ?

Tems11 [23]

A is the correct answer. Hope this helps. I need brainliest so if you can I really appreciate it!

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3 years ago