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Katarina [22]
4 years ago
10

You choose a marble at random from a bag containing 8 brown, 6 yello, one purple. You replace the marble then choose again. Find

P (both yellow)
Mathematics
2 answers:
bezimeni [28]4 years ago
5 0
P(6/15•6/15)=36/225=4/25
lys-0071 [83]4 years ago
4 0
P(both yellow) :
{6/(8+6+1)}^2
= 4/25
You choose a marble at random from a bag containing eight brown marbles, six yellow marbles, and one purple marble. You replace the marble and then choose again.
P(both yellow) = (6/15)^2 = 36/225=4/25 ANSWER IS 4/25
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Help ,this is multiplication
sleet_krkn [62]

Answer:

805,800 apples

Step-by-step explanation:

(158 x 100) x 51

15800 x 51

= 805,800

5 0
3 years ago
Read 2 more answers
Pleaseee helpppp meee (;
My name is Ann [436]

Answer:

a. Area = 1,017.36 cm²; Circumference = 113.04 cm

b. Area

c. Circumference

Step-by-step explanation:

Given:

Radius (r) = 18 cm

π = 3.14

a. Area of the mirror = area of circle = πr²

Plug in the values

Area = 3.14*18²

Area = 1,017.36 cm²

Circumference = 2πr

Circumference = 2*3.14*18

Circumference = 113.04 cm

b. The area of the glass would be used in finding the amount of glass needed caused it's the surface of the glass that is to be replaced.

c. The silver wire would be placed around the mirror, therefore, it is the circumference that would be needed in finding the amount of wire needed since the circumference is the perimeter round the mirror.

4 0
3 years ago
Based on the graph below, how would you describe the curve
tatuchka [14]

Answer:

b

Step-by-step explanation:

The graph is a quadratic function which is forms a parabola when graphed. A parabola has a U shape. Because of this U shape, y- values repeat for different x-values. This is known as many-to-one.

3 0
3 years ago
Which shows the mean, median, mode, and range for this set of data?
Brums [2.3K]
8.3,4.5,6.2,9.6,4.3,11.2,5.9,9.7,10.5

Mean: 
To find mean you do the same as you would to find an average. Add up all of the numbers and divide by how many numbers are there. So, 
8.3 + 4.5 + 6.2 + 9.6 + 4.3 + 11.2 + 5.9 + 9.7 + 10.5 = 70.2 
Then divide by 9 since you have 9 numbers.
70.2 / 9 = 7.8 

Median:
To find median you set up the data from least to greatest and cross out one number from each side until you are left with one number as the middle number.
4.3, 4.5, 5.9, 6.2, 8.3, 9.6, 9.7, 10.5, 11.2 
       4.5, 5.9, 6.2, 8.3, 9.6, 9.7, 10.5
              5.9, 6.2, 8.3, 9.6, 9.7
                     6.2, 8.3, 9.6
                         = 8.3 
Mode:
Mode is the most, meaning the number that appears the most in your set of data. In this case there is no mode because in your set there is no number that occurs more than once.

Hope this helps!
6 0
3 years ago
Find the Derivative y’ implicitly.
Brums [2.3K]

e^{x^2y} - e^y = e^y(e^{x^2} - 1) = x

<em>We should ISOLATE x</em>

<em />e^y= \frac{x}{e^{x^2} - 1}

<em>Find the Natural Log of Both Sides to Make the Left Side "y"</em>

<em />y = ln(\frac{x}{e^{x^2}-1})

<em>Now, FIND THE DERIVATIVE Using Chain Rule!!!</em>

<em />y' = \frac{1}{\frac{x}{e^{x^2}-1}} * \frac{(1(e^{x^2}-1) - x(2x*e^{x^2})}{(e^{x^2}-1)^2}= {\frac{e^{x^2}-1}{x}}* \frac{(1(e^{x^2}-1) - x(2x*e^{x^2})}{(e^{x^2}-1)^2} = {\frac{1}{x}}* \frac{(1(e^{x^2}-1) - x(2x*e^{x^2})}{(e^{x^2}-1)} =  {\frac{1}{x}}* \frac{(e^{x^2}-1 - 2x^2e^{x^2})}{(e^{x^2}-1)}

3 0
3 years ago
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