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nata0808 [166]
3 years ago
8

You pick a marble from a bag containing three black, four striped, and three white. What is the probability you will choose eith

er a black or white marble?
Mathematics
2 answers:
bezimeni [28]3 years ago
8 0

Answer:  

             

Step-by-step explanation:

choli [55]3 years ago
8 0

Answer:

3/5

Step-by-step explanation:

3(black marbles)+4(striped marbles)+3(white marbles)=10 marbles

3(black marbles)+3(white marbles)=6 marbles

The probability that the marble will either be black or white is 6/10 or 3/5

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Two solutions of the polynomial equation are given. Use synthetic division to find any remaining solutions.
liubo4ka [24]

Answer:

The remaining solutions are -7 and 3.

Step-by-step explanation:

The synthetic division is shown in the attachment. After dividing the first two found factors from the polynomial, the remaining quadratic is ...

x^2 +4x -21 = 0

Its rational roots will be factors of -21, and the sum of their opposites will be 4. Knowing that 21 = 3·7, we can guess that the remaining roots are -7 and 3. The synthetic division confirms that. (A graph also confirms it.)

8 0
3 years ago
What is the volume of this figure
KatRina [158]

22 \: cubic \: units

Hope it helps

3 0
2 years ago
Read 2 more answers
Find the solution of the system of equations.<br><br>6x+y=30<br><br>−2x−5y=18
IRISSAK [1]

Answer:

Step-by-step explanation:

6x + y = 30

-6x - 15y = 54

-14y = 84

y = -6

6x - 6 = 30

6x = 36

x = 6

(6, -6)

6 0
3 years ago
13. Describe the number of solutions for the equation. (1 point)
Anna11 [10]

Answer:

no solution

Step-by-step explanation:

Given

3(x - 3) = 3x , that is

3x - 9 = 3x ( add 9 to both sides )

3x = 3x + 9 ( subtract 3x from both sides )

0 = 9 ← not possible

This indicates the equation has no solution

4 0
3 years ago
A cone-shaped building has a height of 11.4 meters and a base with a diameter of 12 meters. The building will be filled with roa
Lyrx [107]
We know, Volume of a Cone = πr² h/3
v = 3.14 * (6)² * 11.4/3
v = 3.14 * 36 * 3.8
v = 429.552

Now, for 1 m³, it costs = $20
So, for 429.552 m³, it will be: 20 * 429.552 = 8591

In short, Your Answer would be $8591

Hope this helps!
3 0
3 years ago
Read 2 more answers
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