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miss Akunina [59]
3 years ago
12

A bag contains 4 red, 5 blue, and 3 black marbles. Find the probability that if you pick 3 marbles

Mathematics
1 answer:
Fofino [41]3 years ago
3 0

Answer:

3/12 =1/6

Step-by-step explanation:

4+5+3=12

probability of picking 3 marbles is

3/12which in lowest term is 1/6

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The rectangle shown has a perimeter of 86 cm and the given area. Its length is 3 more than four times its width. Write and solve
Naddika [18.5K]

Answer:

55x

Step-by-step explanation:

3 0
3 years ago
Can somebody plz help answer these questions correctly thanks! (Grade7math) btw :)
Monica [59]

Answer:

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7 0
3 years ago
Pls help asappppppp it is very important I need it pls
Volgvan

Given:

The graph of a proportional relationship.

To find:

The constant of proportionality, the value of y when x is 24 and the value of x when y is 108.

Solution:

If y is directly proportional to x, then

y\propto x

y=kx             ...(i)

Where, k is the constant of proportionality.

The graph of proportional relationship passes through the point (5,15).

Substituting x=5 and y=15 in (i), we get

15=k(5)

\dfrac{15}{5}=k

3=k

Therefore, the constant of proportionality is 3.

Substituting k=3 in (i) to get the equation of the proportional relationship.

y=3x              ...(ii)

Substituting x=24 in (ii), we get

y=3(24)

y=72

Therefore, the value of y is 72 when x is 24.

Substituting y=108 in (ii), we get

108=3x

\dfrac{108}{3}=y

36=y

Therefore, the value of x is 36 when y is 108.

5 0
3 years ago
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omeli [17]
No. No. It is not linear because the slope has to be able to be plugged in to any x, y coordinates and be placed on the line. 
4 0
3 years ago
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ELEN [110]

Answer:

D

Step-by-step explanation:

When calculating the area of a parallelogram, use the formula A = l*h where length is the longest length and h is the perpendicular height of the shape. For this parallelogram, substitute l = 14 and h = 8.

A = l*w = 14*8 = 112

6 0
3 years ago
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