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just olya [345]
2 years ago
9

A bag contains 7 red marbles, 3 blue marbles and 6 green marbles. If two

Mathematics
1 answer:
natima [27]2 years ago
7 0

Answer:

42%

Step-by-step explanation:

figure probability of the first:

7+6+3=16

7/16=0.44

figure probability of the second:

6/15=0.40

find the average:

0.44+0.4=0.84

0.84/2=0.42

convert from decimal to fraction:

42%!

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I dont understand the question
Nonamiya [84]
<h3>Answer: Choice C)   x^4 - 2</h3>

Explanation:

If the exponent is negative, then that means we apply the reciprocal. So something like x^(-2) becomes 1/(x^2). A polynomial cannot have a variable in the denominator like this. So we can rule out choices A, B, and D. Choice C is the only thing left. It is a polynomial because the exponent is a positive whole number.

7 0
2 years ago
Is BC a line segment, a ray, or a line
Anettt [7]

Answer:

Line Segment

Step-by-step explanation:

A line segment has dots on both ends of the line. A line has nothing at either end of it. A ray has an arrow at one end of the line. Line BC is a line segment.

Hope it helps!

7 0
2 years ago
Read 2 more answers
What is the answer to this
Alex_Xolod [135]

umm I don't know hehe oops

8 0
3 years ago
Read 2 more answers
Estimate then find the difference or sum <br><br> 86+17
kumpel [21]
Estimation for addition: 86 rounds up to 90 and 17 rounds up to 20 so:
90 + 20 = 110
Estimation for subtraction is the same thing but with subtraction
90 - 20 = 70

Now for the exact answers:
86 + 17 = 103
86 - 17 = 69

Your answers are 110, 70, 103, and 69.

8 0
2 years ago
The density of a certain material is such that it weighs 5 ounces per fluid ounce of volume. Express this density in pounds per
pav-90 [236]

Answer:

Don't lisen to that the anwer is 0.3125

Step-by-step explanation:

3 0
3 years ago
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