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Ber [7]
3 years ago
6

A bag contains 10 red marbles, 15 yellow marbles and 5 green marbles. What is the probability of drawing a red or green marble f

rom the bag?
A) 12
B) 14
C) 16
D) 18
Mathematics
2 answers:
algol [13]3 years ago
8 0

Answer:

12

Step-by-step explanation:

Mkey [24]3 years ago
5 0

Answer: the probability of getting a red marble is B) 16.

Step-by-step explanation:

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Which term describes a fraction that has a variable or variable expression in its numerator, its denominator, or both?
inna [77]
<span>The right answers is B. Rational expression.

This is true given that the statement establishes a term that describes a fraction that has a <em>variable or variable expression</em> in its numerator, denominator or both, that is, this is the concept of the quotient of two polynomials called rational expression. Finally, we can get the following rational expressions that matches with this concept, namely:

</span>(1) \ \frac{1}{x} \\ \\ (2) \ \frac{2x-1}{x+1} \\ \\ (3) \ \frac{x^{2}-1}{x^{2}+1}<span>
</span>
6 0
3 years ago
Read 2 more answers
Find the value of x.
kaheart [24]

Answer:

69

Step-by-step explanation:

Use the 3x-2 and take it out

3 0
3 years ago
Which equation is the inverse of y = 9x2 – 4? mc008-1.jpg mc008-2.jpg mc008-3.jpg mc008-4.jpg
murzikaleks [220]
Answer: y = +/- [√x+4) ] / 3

Explanation:

1) To find the inverse of the function y = 9x^2 - 4, exhange the variables x and y, and then solve for the new y.

2) Exchange of the variables: y = 9x^2 - 4 → x = 9y^2 - 4

3) Solve for y:

9y^2 = x + 4

y^2 = [x + 4] / 9

y = +/- [ √ (x + 4) ] / 3

8 0
3 years ago
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Evaluate the expression 3.14(a2 + ab) when a = 4 and b = 3. (Input decimals only, such as 12.71, as the answer.)
sveta [45]

Answer:

87.92

Step-by-step explanation:

3.14(a² + ab)

= 3.14 (4² + 4 × 3)

= 3.14 (16 + 12)

= 3.14 × 28

= 87.92

Hope it helps :)

Please mark my answer as the brainliest

3 0
3 years ago
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X – 10y = 18<br> -6x – 10y = 32
viva [34]

Answer:

Step-by-step explanation:

x - 10y = 18

-6x - 10y = 32

Since both equations have -10y, we can subtract the second equation from the first to try and solve for x:

(x - 10y) - (-6x - 10y) = 18 - 32

x - 10y + 6x + 10y = -14

7x = -14

x = -2

With this, we can plug the value back into the first equation to solve for y:

(-2) - 10y = 18

-2 - 10y = 18

-10y = 20

y = -2

Therefore, the solution is x = -2, y = -2

8 0
3 years ago
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