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Vladimir79 [104]

3 years ago

6

What is the probability of rolling a 5 or not rolling a 5 using a regular 6-sided number cube?

2 answers:

Ne4ueva [31]3 years ago

7 0

There are 6 different sides you can land on with a dice. So the probability of rolling any one side is 1/6. The probability of NOT rolling a 5 is the same thing as rolling anything except a 5. So that probability will be 5/6.

Andrews [41]3 years ago

7 0

Well, the probability of rolling a 5 would be 1/6, the probability of not rolling a 5 would be 4/6 or 2/3.

Since the problem uses or, the question is asking for the probability of one or the other occurring, in other words the probability is more that if it were to simply be one event. Thus we add the probabilities together.

1/6 + 4/6 = 5/6.

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Which answer choice represents an equivalent number sentence of "15 + (3 - 8)"?

frozen [14]

Answer:

A- 15-5 is the same

Step-by-step explanation:

15 + (3-8)

15 + (-5)

15-5

8 0

4 years ago

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The square root of 36=18 true or false?

Karolina [17]

The answer is false

7 0

3 years ago

What is 5.74 in radical form

svetlana [45]

Answer:

x^4/7

Step-by-step explanation:

3 0

3 years ago

What is the answer ?

Len [333]

Answer:

Thus, option (c) is correct.

β = 61.5

Step-by-step explanation:

Given , $\sin (\frac{x}{2}+20x)=\cos(2x+\frac{15x}{2})$ , we have to solve for x, and then find the value of β ( β > α )

Consider $\sin (\frac{x}{2}+20x)=\cos(2x+\frac{15x}{2})$ ,

First solve for x ,

$\Rightarrow \sin (\frac{x}{2}+20x)=\cos(2x+\frac{15x}{2})$

$\Rightarrow \sin (\frac{x+40x}{2})=\cos(\frac{4x+15x}{2})$

Thus, $\Rightarrow \sin (\frac{41x}{2})=\cos(\frac{19x}{2})$

Also, $\sin (90-\theta)=\cos \theta$ , we get,

Thus, $\Rightarrow \cos (90-\frac{41x}{2})=\cos(\frac{19x}{2})$

since, LHS = RHS thus, angle must be equal,

$\Rightarrow 90-\frac{41x}{2}=\frac{19x}{2}$

$\Rightarrow 90=\frac{19x}{2}+\frac{41x}{2}$

$\Rightarrow 90=\frac{19x+41x}{2}$

$\Rightarrow 90=\frac{60x}{2}$

$\Rightarrow x=3$

Thus, $\frac{x}{2}+20x=\frac{3}{2}+20(3)=\frac{3}{2}+60=61.5$ ,

Other angle can be found using angle sum property, as sum of angle of a triangle is 180°

Let third angle be y, then ,

90 + 61.5 + y = 180°

y = 180° - 151.5°

y = 28.5°

Since ( β > α ) ⇒ β= 61.5 and α = 28.5

Thus, option (c) is correct.

⇒ β = 61.5

7 0

3 years ago

Using the graph, determine the coordinates of the roots of the parabola.

Mazyrski [523]

The roots are located at (2,0) and (4,0)

In short, the roots are x = 2 and x = 4

The term "x intercept" is another way of saying "root". Both describe the location where the graph crosses the x axis.

8 0

3 years ago