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Fudgin [204]
3 years ago
9

There is a bag filled with 4 blue, 3 red and 5 green marbles. A marble is taken at random from the bag, the colour is noted and

then it is replaced. Another marble is taken at random. What is the probability of exactly 1 red?
Mathematics
1 answer:
Ivanshal [37]3 years ago
8 0

Answer:

There is an 25% chance of getting a red marble

Step-by-step explanation:

4+3+5=12

3/12=.25

put the decimal over two spaces and you get 25%

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Would you rather buy 18 eggs 2/8.00 or 18 eggs for 97c each
Vesnalui [34]

Answer:

18 eggs for 97 cents.

Step-by-step explanation:

.97/18 = 5 cents

4 0
3 years ago
Read 2 more answers
Find the value of the variable in each expression
bogdanovich [222]

Answer:

they're all 0

Step-by-step explanation:

N/A

6 0
2 years ago
A bag contains purple marbles and yellow marbles, 52 in total. The number of purple marbles is 4 more than 3 times the number of
Masja [62]

Answer:

16

Step-by-step explanation:

This question can be modeled using the equation 3x+4=52 (x is the purple marbles). To solve this equation subtract 4 from both sides, making it 3x=48. divide both by three showing x=16. This shows that 16 is the answer.

5 0
3 years ago
<img src="https://tex.z-dn.net/?f=%20%7Bx%7D%5E%7B2%7D%20-%2022x%20%20%2B%20121" id="TexFormula1" title=" {x}^{2} - 22x + 121"
eduard

Let's factor x^2−22x+121

The middle number is -22 and the last number is 121. Factoring means we want something like

(x+_)(x+_)

Which numbers go in the blanks? We need two numbers that...

Add together to get -22

Multiply together to get 121

Can you think of the two numbers?

Try -11 and -11:

-11+-11 = -22

-11*-11 = 121

Fill in the blanks in

(x+_)(x+_)

with -11 and -11 to get...

(x-11)(x-11)


Answer: (x-11)(x-11)


Hope this helps!!!

3 0
3 years ago
X=?<br><br> Find x<br><br> And explain plz
dimulka [17.4K]
<h2>Answer: (x = 1)</h2>

Step-by-step explanation:

We are given the equation <em>6(5x - 3) = 1/3(24x + 12)</em>, and we must find the value of <em>x</em>.

The first step is to distribute. Distribute the <em>6 </em>to <em>5x </em>and <em>-3</em>, and distribute<em> 1/3 </em>to <em>24x </em>and <em>12</em>. This give us the equation <em>30x - 18 = 8x + 4</em> to work with.

The next step is to get <em>x </em>by itself. In order to do this, subtract 18 from each side of the equation. This gives get's rid of the <em>-18</em> and get's <em>x </em>by itself on one side of the equation and gives us the equation <em>30x = 8x +22</em>.

Now that x is by itself on one side of the equation, get 22 by itself on the other side of the equation. The way to do this is to subtract 8x from each side. This gives us the equation <em>22x = 22</em>.

Divide both sides by 22 and get the equation <em>x = 1</em>

6(5x - 3) = \frac{1}{3} (24x + 12)

6(5x) - 6(3)=\frac{1}{3} (24x)+\frac{1}{3}(12)

30x - 18 = 8x  + 4

30x = 8x +22

22x = 22

x = 1

<em>Hope that this helps and clears it up! Have a great day!</em>

6 0
3 years ago
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