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Tom [10]
3 years ago
13

A jar contains a mixture of 20 black marbles, 16 red marbles, and 4 white marbles, all the same size. Find the probability of dr

awing a white or red marble on the first draw.
Mathematics
2 answers:
Delvig [45]3 years ago
6 0
There is a half chance of pulling a red or white marble, 16+4=20 well there's 40 marbles total so 20/40 is simplefyed as 1/2 hope this help's please crown

marin [14]3 years ago
5 0
You have a 10% chance of drawing a white marble and 40% chance of drawing a red marble
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Polygon D is a scaled copy of polygon C using a scale factors of 6
Vladimir79 [104]

Answer: The area of the Polygon D is 36 times larger than the area of the Polygon C.

Step-by-step explanation:

<h3> The complete exercise is: "Polygon D is a scaled copy of Polygon C using a scale factor of 6. How many times larger is the area of Polygon D than the area Polygon C"?</h3>

 In order to solve this problem it is important to analize the information provided in the exercise.

You know that the Polygon D was obtained by multiplying the lengths of the Polygon C by the scale factor of 6.

Then, you can identify that the Length scale factor used is:

Length\ scale\ factor=k=6

Now you have to find the Area scale factor.

Knowing that the Length scale factos is 6, you can say that the Area scale factor is:

Area \ scale\ factor=k^2=6^2

Finally, evaluating, you get that this is:

Area \ scale\ factor=36

Therefore, knowing the Area scale factor, you can determine that the area of the Polygon D is 36 times larger than the area of the Polygon C.

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MAVERICK [17]
Im pretty sure its 7770
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Kitty [74]

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6 0
3 years ago
Carmela mixes 3/4 kilogram of walnuts, 1/2 kilogram of almonds, and 1/4 kilogram of pecans together. She divides the mixed nuts
Evgesh-ka [11]

Amount of walnuts=\frac{3}{4} kg

Amount of almonds=\frac{1}{2} kg

Amount of pecans=\frac{1}{4} kg

Total amount=\frac{3}{4}+\frac{1}{2}+\frac{1}{4}

LCM is 4 so sum is = \frac{3+2+1}{4}=\frac{6}{4} =\frac{3}{2}

As given, Carmela divides the mixed nuts into 3/10 kilogram bags so number of bags will be:

\frac{\frac{3}{2}}{\frac{3}{10}}

= \frac{3}{2}\times\frac{10}{3} = 5

Hence, answer is 5 bags.


5 0
3 years ago
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Serhud [2]
The Correct Answer Is: A
Any Triangle That Has A 90 Degree Angle Is A Right Angle.
3 0
2 years ago
Read 2 more answers
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