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Dmitry_Shevchenko [17]
3 years ago
7

Intersecting Secant (Exterior) Find X =

Mathematics
1 answer:
levacccp [35]3 years ago
6 0

Answer: <em>x </em>= 13

Step-by-step explanation:    the equation to solve this is:

4 × (4 + 8) = 3 × (3 + <em>x</em>)

so we solve the first half of that:

4 × (4 + 8)

4 × 12

48

now we have:

48 = 3 × (3 +<em> x</em>)

so we switch the sides to make it easier and solve

3 × (3 + <em>x</em>) = 48

divide both sides by 3

3 × (3 + <em>x</em>) ÷ 3 = 48 ÷ 3

and get

3 +<em> x</em> = 16

now subtract 3 from both sides

3 + <em>x</em> = 16

-3         -3

and finally we get

<em>x </em>= 13

hope this helped :)

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A box contains 14 large marbles and 10 small marbles. Each marble is either green or white 8 of the large marbles are green, and
netineya [11]

The probability that the marble is large or white is 0.5714.

<h3>What is probability?</h3>

Probability is the branch of mathematics that studies the possible outcomes of given events together with the outcomes' relative likelihoods and distributions.

Probability of an event is

P(A) = Number of favorable outcomes/ Total Number of outcomes      

       = n(A)/n(S)

where

P(A) is the probability of an event “A”

n(A) is the number of favorable outcomes

n(S) is the total number of events in the sample space.

We have,

Number of large marbles = 14

Number of small marbles = 10

Number of large green marbles = 8 which implies

Number of large white marbles = 14 - 8 = 6

Number of small white marbles = 4 which implies

Number of small green marbles = 10 - 4 = 6.

Now, let

Let X be the event of drawing large marble.

Let Y be the event of drawing small marble.

Let M be the event of drawing white marbles.

Let N be the event of drawing green marbles.

Since only one marble is drawn at a time ,

so P(X) =  14/24

    P(Y) = 10/24

    P(M) = 10/24

    P(N) = 14/24

We have to find the probability that a marble is large or white i.e. P(X∪M).

P(X∪M) = P(X) + P(Y) - P(X∩M)

P(X∩M) = In 14 large marbles 6 are white marbles = 6/14.

P(X∪M) = P(X) + P(Y) - P(X∩M) = 14/24 + 10/24 - 6/14 = 0.5833+0.4167-0.4286 = 0.5714.

Therefore, the probability of drawing large or white marble is 0.5714.

To know more about probability, visit

brainly.com/question/19169117

#SPJ4

3 0
1 year ago
Factor completely x3 + 4x2 + 8x + 32. (x + 4)(x2 + 8) (x − 4)(x2 − 8) (x − 4)(x2 + 8) (x + 4)(x2 − 8)
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3 years ago
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sesenic [268]

Answer:

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8 0
3 years ago
What is the answer to -3+y=-5
Stolb23 [73]

Answer:

y=-2

Step-by-step explanation:

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pantera1 [17]
Slope intercept form

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