All categories

3 years ago

You role a six-sided die. The P(4 or 7) is

Mathematics

1 answer:

cestrela7 [59]3 years ago

7 0

Answer:

Well, there is only a 1/6 since 7 is not included in a six dided ''die''

Step-by-step explanation:

You might be interested in

Solve the equation sin2x = 3cos2x. The value of x that satisfies the equation if x lies in the second quadrant is °. The value o

faltersainse [42]

Answer:

$126\degree$

and

$126\degree$

respectively.

Step-by-step explanation:

The given trigonometric equation is

$\sin2x=3\cos2x$

We divide both sides by $\cos2x$ to get,

$\frac{\sin2x}{\cos2x}=3$

This implies that,

$\tan2x=3$

We take the inverse tangent of both sides to get,

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

$\Rightarrow 2x=71.565$

$\Rightarrow x=35.7825$

$\Rightarrow x\approx 36\degree$

Since the tangent ratio has a period of $180\degree$ , another solution is

$x=180+36$

$x=216\degree$ to the nearest degree.

In the third quadrant,

$2x=180+71.565$

$\Rightarrow 2x=251.565$

$\Rightarrow x=125.7825$

$\Rightarrow x=126\degree$

The solutions are

$x=36\degree,126\degree,216\degree$

The value of x that satisfies the equation if x lies in the second quadrant is $126\degree$

The value of x that satisfies the equation if x lies in the third quadrant is $216\degree$

5 0

3 years ago

How do you solve: 2(b - 5) + 7b-4

Alinara [238K]

2(b-5)+7b-4
Solve 2(b-5) to get 2b-10
Combine your like terms 2b-10+7b-4
Solve 2b+7b to get 9b
Solve -10+(-4) to get -14
So your answer is
9b-14

4 0

3 years ago

Read 2 more answers

What is the solution set of -|-x| = -12?<br> O no solution<br> O {-12}<br> O {12}<br> O {-12, 12}

Lilit [14]

Answer:

12 is the answers for the question

Step-by-step explanation:

please mark me as brainlest

3 0

2 years ago

Read 2 more answers

6∧4 − 54² = 0 Solve for all solutions.

Otrada [13]

Answer:

-1620

Step-by-step explanation:

7 0

3 years ago

A biologist determines that the path of a bee from its hive to its foraging site can be described by the parametric equations x-

mote1985 [20]

The correct parametric equations are:

$x=4t-1 \\ \\ 
y=2t^{2}+3t-4$

From first equation, we can write the value of t in terms of x to be:

$t= \frac{x+1}{4}$

Using this value of t in equation of y, we get:

$y=2( \frac{x+1}{4} )^{2}+3( \frac{x+1}{4} )-4 \\ \\ 
y=2( \frac{ x^{2} +2x+1}{16} )+ \frac{3(x+1)}{4} -4 \\ \\ 
y= \frac{ x^{2} +2x+1}{8}+ \frac{3(x+1)}{4}-4 \\ \\ 
y= \frac{ x^{2} +2x+1+6x+6-32}{8} \\ \\ 
y= \frac{ x^{2} +8x-25}{8}$

Thus, the curve in option C is described by the given parametric equations.

6 0

4 years ago

Read 2 more answers