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ivanzaharov [21]
3 years ago
7

Five chips numbered 1 through 5 are placed in a bag. A chip is drawn and replaced. Then a second chip is drawn. Find the probabi

lity that one chip is even AND the other is odd. (Hint: You can choose an even chip and then an odd chip, or an odd chip and then an even chip.)
Mathematics
2 answers:
Xelga [282]3 years ago
4 0
1 out of 5, since ther are still 5 chips in the bag
hope thishelps
;-)
andrezito [222]3 years ago
4 0

There are 3 odd and 2 even numbers involved here.

So Prob( even then odd) = 2/5 * 3/5 = 6/25

Pro(odd then even) = 3/5 * 2/5 = 6/25

Therefore  Prob( either of the above) = 6/25 + 6/25 = 12/25 (answer)

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(I WILL GIVE BRAINLIEST)
LUCKY_DIMON [66]

For this case we have the following polynomial:

3x ^ 2 + 9x + 15

The standard form of the polynomial is given by:

ax ^ 2 + bx + c

Where, the axis of symmetry of the polynomial is given by the expression:

x = - \frac {b} {2a}}

In this case we have:

a = 3\\b = 9

Therefore, replacing values we have:

x = - \frac {9} {2 (3)}

Rewriting we have:

x = - \frac {9} {6}\\x = - \frac {3} {2}

Answer:

The symmetry axis of the polynomial is given by:

x = - \frac {3} {2}

option C

6 0
3 years ago
How many Line segment in square, rectangle and circles
nlexa [21]

Answer:

You need four of them in order to construct a square. and rectangle.A circle doesn't have line segments. It is a curve, not made up of straight lines.

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Help me please i will give appreciate it
OLga [1]
I believe the answer is a sorry if i am incorrect
7 0
3 years ago
What should you substitute for y in the bottom equation to solve the system by the substitution method?
Contact [7]
Answer: y= -x-5


Step 1: Determine which equation to change

Since we will be using the substitution method, we will need to substitute y from the bottom equation with information from the top equation. This will be the equation we change.

Step 2: Change the equation

Let’s rewrite the equation we will be working with.

3x+3y= -15

Our goal will be to get y alone on the left side. To start, let’s subtract 3x from both sides, leaving only 3y on the left side.

3x+3y= -15
3y= -3x-15

Now we need to get y completely alone by eliminating the coefficient of 3. Let’s do this by dividing each term by 3.

3y= -3x-15
y= -x-5


This is your answer. Hope this helps! Comment below for more questions.
3 0
3 years ago
Which side lengths form a right triangle?
Natalija [7]

Answer:

this is kinda confusing..So ill just answer the first question.

<h3>Explanation: The Pythagorean Theorem gives us a2 + b2 = c2 for a right triangle, where c is the hypotenuse and a and b are the smaller sides.</h3>

hope it helps.

5 0
3 years ago
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