3 years ago

Stef rolls a two 6-sided number cubes. what is the probability that she rolls a sum equal to 8 ?

Mathematics

1 answer:

Yuri [45]3 years ago

3 0

Answer is B. 8/36 or 2/9

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Yuliya22 [10]

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Step-by-step explanation:

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2 years ago

What is the circumference of the following circle?

Annette [7]

The formula for a circumference of a circle is 2πr

2 × π × 25 = 157

so your answer is A 157in.

I hope I've helped!

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2 years ago

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Multiply each pair of numbers -4.25x(-1.25)=

hoa [83]

The answer is 5.31245

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2 years ago

Find the derivative of f(x) = 2x^2 - 4x +3

ivolga24 [154]

Explanation

$2x^2-4x+3$

When taking derivatives of polynomials, we primarily make use of the power rule.

Power rule.

$\begin{gathered} f(x)=x^n \\ \text{then} \\ f^{\prime}(x)=nx^{n-1} \end{gathered}$

also, the derivate of a sum is the sum of the derivates

hence

$\begin{gathered} g(x)=f(x)+h(x)+\ldots z(x) \\ g^{\prime}(x)=f^{\prime}(x)+h^{\prime}(x)+\ldots.z^{\prime}(x) \end{gathered}$

Step 1

apply:

$\begin{gathered} f(x)=2x^2-4x+3 \\ f^{\prime}(x)=2\cdot2x^{2-1}-4(1)x^{1-1}+ \\ f^{\prime}(x)=4x^{}-4(1)x^0+3^0 \\ f^{\prime}(x)=4x^{}-4(1)(1) \\ f^{\prime}(x)=4z-4 \end{gathered}$

therefore, the answer is

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10 months ago

PLEASE HELP!!

likoan [24]

Answer:

are you using math solver app

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2 years ago

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