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ira [324]
3 years ago
15

3. Franklin has 5 red marbles, 16 black marbles, 3 miniature green balls, and 9 miniature yellow balls in a jar at home. What is

the ratio of the number of miniature balls to the number of black marbles in the jar? (2 points)
​
Mathematics
1 answer:
Korolek [52]3 years ago
8 0

Answer:

12:16

Step-by-step explanation:

Add the miniature balls.

3 + 9 = 12

There are 16 black marbles in the jar.

Therefore, the ratio of miniature balls to the number of black marbles is 12:16.

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3<br> x. 3x²+x-3=0<br> Find the zeros
Tanya [424]

Answer:

The zeroes of this polynomial are x_{1} \approx 0.847 and x_{2} \approx -1.180.

Step-by-step explanation:

Let 3\cdot x^{2}+x - 3 = 0, the quickest and most efficient approach to find the zeroes of this second order polynomial is by Quadratic Formula. For all a\cdot x^{2}+b\cdot x + c = 0, roots are determined by:

x_{1,2} = \frac{-b\pm \sqrt{b^{2}-4\cdot a\cdot c}}{2\cdot a} (1)

Where a, b, c are coefficients of the polynomial.

If we know that a = 3, b = 1 and c = -3, then roots of the polynomial are, respectively:

x_{1,2} = \frac{-1\pm\sqrt{1^{2}-4\cdot (3)\cdot (-3)}}{2\cdot (3)}

x_{1,2} =\frac{-1\pm \sqrt{37}}{6}

The zeroes of this polynomial are x_{1} \approx 0.847 and x_{2} \approx -1.180.

3 0
3 years ago
Plz I need help I really need help
Fynjy0 [20]

Answer:

-1 1/2

Step-by-step explanation:

4 0
3 years ago
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several students were surveyed about their favorite class. the results are shown in the table. What fractionof the students chos
Anettt [7]

Answer:

art class / all classes = 16 / (26 + 19 + 21 + 16 + 32) = 16/114 = 8/57Step-by-step explanation:

7 0
3 years ago
What is the probability of rolling a 6 sided die and getting a 4 or a number divisible by 3. A) 1/3 B) 1/18 C) 2/3 D) 1/2
KATRIN_1 [288]
Let 
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Event B = rolling a number divisible by 3 (3 or 6) on a single die

There are three outcomes possible in total if either event A happens or event B happens. This is out of six outcomes total.

Divide the values and reduce: 3/6 = 1/2

Final Answer: Choice D) 1/2
6 0
3 years ago
If 3 apples costs 6 dollars how much would 12 apples cost proportions
Reptile [31]
6 divided by 3 = 2

1 apple = 2 dollars

2 x 12 = 24 dollars


or...


3 apples x 4 = 12 apples

6 dollars x 4 = 24 dollars
7 0
3 years ago
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