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liq [111]
3 years ago
13

Suppose a jar contains 13 red marbles and 11 blue marbles. If you reach in the jar and pull out 2 marbles at random at the same

time, find the probability that both are red.
Mathematics
1 answer:
Alisiya [41]3 years ago
3 0
I’d say around 75% or less

This is just an assumption considering that there are more red than blue but only trumps blue by 2. Taking out those two, you’d be left with a 50% chance of getting red and/or blue marbles
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The circumstance of a circular painting is 15.7 feet. What is the radius of the painting. Use 3.14 for pi and do not round your
kakasveta [241]

Answer:

r=2.5

Step-by-step explanation:

C=2pi*radius

Substitute 15.7 in for c and 3.14 in for pi

15.7=2(3.14)*r

15.7=6.28r

Divide by 6.28

r=2.5

Hope this helped!

5 0
3 years ago
The center of a circle lies on _____.
algol [13]
<h2>Answer:</h2>

A) every diameter

<em>The center of a circle lies on </em><em>every diameter.</em>

<h2>Explanation:</h2>

B) The circle: A circle is a two-dimensional shape where all points are the same distance from the center. So this definition doesn't match the definition of the center of the circle. The center is just a point not several ones.

C) A tangent line: obviously this definition is false. A tangent line is a line not a point.

D) Every chord: A chord is any line segment between two points on a circle. The only chord that passes through is the diameter. So this definition does not include all the chords of a circle

A) Every diameter: This is the correct option! A diameter is any chord that <em>passes through the center</em>.

4 0
3 years ago
Find the LCM and HCF of 64 and 72 using prime factors​
Nadya [2.5K]

What is the LCM of 64 and 72?

Find the prime factorization of 64.

Find the prime factorization of 72. 72 = 2 × 2 × 2 × 3 × 3.

Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM: LCM = 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3.

LCM = 576.

What is the GCF of 64 and 72?

Find the prime factorization of 64. 64 = 2 × 2 × 2 × 2 × 2 × 2.

Find the prime factorization of 72. 72 = 2 × 2 × 2 × 3 × 3.

To find the GCF, multiply all the prime factors common to both numbers: Therefore, GCF = 2 × 2 × 2.

GCF = 8.

4 0
3 years ago
Read 2 more answers
If you wanted to reduce the 8 by a ratio of 1/4 what would the dimensions of the new rectangular be
kozerog [31]
Well you pay attention
8 0
4 years ago
Is 2 a factor of 72?
Vinil7 [7]

Yes 72 is a factor of 2

7 0
3 years ago
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