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3 years ago

7

Betty has several of the standard six-sided dice that are common in many board games. If Betty rolls one of these dice, what is

the probability that: she rolls a three

1 answer:

diamong [38]3 years ago

7 0

Since she is rolling 1 six sided dice the chances of her rolling a 3 are 1:6 because, she is trying to land on 3 not 3 numbers.

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What is the value of the expression shown below?

Oliga [24]

Answer:

It should be

Step-by-step explanation:

<h2><u><em>C.</em></u></h2><h2>11 1/8</h2>

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3 years ago

Write the equation 5x + 2y = -6 in general form.

vampirchik [111]

Answer:

$5x+2y+6=0$

Step-by-step explanation:

General equations are in the form $Ax + By + C = 0$

So you can add 6 to both sides to make:

$5x+2y+6=0$

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3 years ago

Triangle angle- sum theorem <br>help!!!<br>

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3 years ago

Read 2 more answers

Examine the diagram at right. The smaller triangle (inside of the larger triangle) is similar to larger triangle. How can you so

olchik [2.2K]

As the exercise says, the triangles are similar. So, we can set up proportions between correspondent sides.

In order to solve for x we can set up the proportion between the horizontal and vertical sides:

$28\div 11.2 = 27+x \div x$

Solving this proportion for x implies $x=18$

Now you can solve for m and p using the pythagorean theorem, because both triangles are right:

$m = \sqrt{18^2+11.2^2} =21.2$

Then, we know that the hypothenuse of the big triangle is m+p, so we have

$m+p=\sqrt{(18+27)^2+28^2} = 53$

which implies

$p = 53-p = 53-21.2=31.8$

6 0

3 years ago

W is the midpoint of VX and Z is the midpoint of VY . If XY=p and WZ=p–30, what is WZ?

juin [17]

$\large{ \tt{❃ \: EXPLANATION}} :$

You'll have to know : Mid-point theorem states that A straight line segment joining the mid-points of any two triangle is parallel to the third side and it is equal to half of the length of the third side.

We're provided : XY = p , WZ = p - 30 & we're asked to find out the value of WZ. For that , firstly we have to find out the value of p.

$\large{ \tt{❁ \: LET'S \: START }: }$

Set up an equation & solve for p :

$\large{ \bf{☄ \: p - 30 = \frac{1}{2} p }}$

$\large{ \tt{↦ \frac{1}{2} p = p - 30}}$

$\large{ \tt{↦ \frac{1}{2} p - p = - 30}}$

$\large{ \tt{↦ \frac{p - 2p}{2} = - 30 }}$

$\large{ \tt{↦p - 2p = - 60}}$

$\large{ \tt{ ↦ \: - p = - 60}}$

$\large{ \tt{↦p = 60}}$

The value of p is 60

$\large{ \tt{❇ \: REPLACING \: VALUE}} :$

$\large{ \tt{↬ \: wz = p - 30 = 60 - 30 = \boxed{\boxed{ \tt{30 }} }✔}}$

Hence , WZ = 30 .

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7 0

3 years ago