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4 years ago

What is the probability of the complement of rolling a number less than 5 by using a six-sided die?

Mathematics

1 answer:

elena-14-01-66 [18.8K]4 years ago

6 0

If 5 and less then D but if just less than 5 then B

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Find all the critical values

Natalija [7]

y - 3
g(y) = ------------------
y^2 - 3y + 9

To find the c. v., we must differentiate this function g(y) and set the derivative equal to zero:

(y^2 - 3y + 9)(1) - (y - 3)(2y - 3)
g '(y) = --------------------------------------------
(y^2 - 3y + 9)^2

Note carefully: The denom. has no real roots, so division by zero is not going to be an issue here.

Simplifying the denominator of the derivative,

(y^2 - 3y + 9)(1) - (y - 3)(2y - 3) => y^2 - 3y + 9 - [2y^2 - 3y - 6y + 9], or
-y^2 + 6y

Setting this result = to 0 produces the equation y(-y + 6) = 0, so
y = 0 and y = 6. These are your critical values. You may or may not have max or min at one or the other.

6 0

3 years ago

Can someone help me im in the test rn

Snezhnost [94]

Aré you still taking it?

7 0

3 years ago

Problem

Tanzania [10]

Answer:

$(x^{2} + 2)(x^{2} + 2)\\x^{4} + 2x^{2} + 2x^{2} + 4\\= x^{4} + 4x^{2} + 4\\$

$(x +1)(x + 1)(x^{2} -2x +3) = (x + 1)^{2} (x^{2} -2x +3)$

7 0

2 years ago

The time required to do a job varies inversely as the number of people working. It takes 5hr for 7 bricklayers to build a park w

ExtremeBDS [4]

<u>Answer</u>

3.5 hours.

<u>Explanation</u>

The first step is to calculate the constant of proportionality.

t ∝ 1/n

t = k/n Where t = time, K= constant and n = number of people

t = k/n

k =tn

= 5×7 = 35

The equation becomes;

t = 35/n

for n = 10,

t = 35/10

t = 3.5 hours.

6 0

3 years ago

Grade 6 - End of term assessment

sertanlavr [38]

Answer:

The greatest number of 15 inches pieces that can be cut from 5 rolls of length 9 feet is: 35

Step-by-step explanation:

Given

Total length of one roll of ribbon = 9 feet

As the pieces have to be cut into inches, we will convert the measurement in feet to inches

As there are 12 inches in one feet, 9 feet will be equal to:

9*12 = 108 inches

Now first of all, we have to see how many 15 inches pieces can be cut from one role

So,

$=\frac{Length\ of\ roll}{Length\ of\ piece}\\=\frac{108}{15}\\=7.2$

So the seamstress can cut 7 15-inch long pieces from a roll.

Now given that he has to cut from 5 rolls, the total number of 15-inch pieces will be:

$= 5 * 7 =35$

Hence,

The greatest number of 15 inches pieces that can be cut from 5 rolls of length 9 feet is: 35

5 0

3 years ago