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4 years ago

Maria will spin the arrow on the spinner 2 times.

Mathematics

2 answers:

creativ13 [48]4 years ago

7 0

The answer would be 1/3 .hope it helped.i did the quiz and got it right

elena-s [515]4 years ago

4 0

Answer:

probability that the arrow will stop on the same letter twice = $\frac{1}{3}$ (c).

Step-by-step explanation:

Given : Maria will spin the arrow on the spinner 2 times.

To find : What is the probability that the arrow will stop on the same letter twice.

Solution : We have given a spinner that spin twice and stop on the same letter.

Formula for probability = $\frac{number \ of \ favorable\ outcome}{Total \number\ of \possible \outcome}$ .

Here, total part of spinner = 3 and it spin two times

So, total possible outcome = 6. Arrow ston on same letter twice( favorable outcome) =2.

Plugging the values in formula :

Probability = $\frac{2}{6}$ .

Probability = $\frac{1}{3}$ .

Therefore, probability that the arrow will stop on the same letter twice = $\frac{1}{3}$ (c).

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Find the equation of the line through point (8,−9) ( 8 , − 9 ) and perpendicular to 3+8=4 3 x + 8 y = 4 .

Leno4ka [110]

The equation of the line will be 3y + 8x = 165.

<h3>What is an equation?</h3>

It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.

Given that:-

Find the equation of the line through point (8,−9) ( 8, − 9 ) and perpendicular to 3 x + 8 y = 4.

The given equation of the line is:-

3 x + 8 y = 4.

The slope of this line will be:-

3 x + 8 y = 4.

8y = -3x + 4

y = -3 /8x + ( 1 / 2)

y = mx + c

m = -3 / 8

Since the line is perpendicular to the other line 3x +8y = 4 so the slope will be inverse and negative for the line.

So the slope of the line will be -8 / 3

The equation of the line passing through the point will be given as:-

y - y 1 = m ( x- x1)

y - (-9) = ( -8 / 3) ( x - 8)

Y + 9 = ( -8 / 3 ) ( x -8 )

3 y = -8x + 165

3y + 8x = 165

Therefore the equation of the line will be 3y + 8x = 165.

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2 years ago

Why is it helpful to rewrite inequalities

mr_godi [17]

Answer:

that puts the solution in the form ...

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Step-by-step explanation:

It isn't always.

Often, we like to have a solution be in the form ...

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So, for an inequality, that puts the variable on the left:

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Personally, I like to see the answer in a form that has the variable and its values in the same relation as on a number line. This means, my preferred inequality symbols are < or ≤, since those have the smaller numbers on the left. I would write the first example above as ...

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The forms we choose to use are all about making communication as easy as possible.

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Firdavs [7]

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3 years ago

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lorasvet [3.4K]

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