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2 years ago

Of all 25 marbles in a bag, 3 of the marbles

Mathematics

2 answers:

lozanna [386]2 years ago

6 0

Answer:

12%

Step-by-step explanation:

There are 25 marbles in all.Taking white marbles to be 3.the probablility will be 3/25 and as percent=3/25×100=12%

Tom [10]2 years ago

4 0

Answer:

You have a 12% chance of pulling out a white marble

Step-by-step explanation:

Their is 25 marbles in the bag and you have 3 out of 25 chance of pulling out a white marble. 3/25=0.12 so you have a 12% chance of pulling out a white marble.

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On a given planet, the weight of an object varies directly with the mass of the object. Suppose that an object whose mass is 7 k

Airida [17]

Answer:

21 N

Step-by-step explanation:

let mass be m and weight be w

Given w varies directly with m then the equation relating them is

w = km ← k is the constant of variation

To find k use the condition m = 7 , w = 49 , then

49 = 7k ( divide both sides by 7 )

7 = k

w = 7m ← equation of variation

When m = 3 , then

w = 7 × 3 = 21 N

3 0

2 years ago

If AABC = ADFE determine the values of x and y.

natita [175]

$8y - 5 = 99 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: 8y = 99 + 5 \\ \: \: \: \: \: \: \: \: \: \: 8y = 104 \\ \: \: \: \: \: \: \: \: \: \: \: \: y= \frac{104}{8} \\ \: \: \: \ \: \: \: y = 13$

$\: \: \: \: \: \: 2y + x = 38.4 \\ 2(13) + x = 38.4 \\ \: \: \: \: \: \: 26 + x = 38.4 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: x = 38.4 - 26 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: x = 12.4$

6 0

2 years ago

Escribe la expresión para "El producto de 5 y z".

bekas [8.4K]

Answer:

5yz

Step-by-step explanation:

You multiply 5 by y and z

8 0

3 years ago

The probability that Liu Yang makes a three-point shot in basketball is 10%. For practice, Liu Yang will regularly

Delicious77 [7]

Answer:

0.3 is the answer

Step-by-step explanation:

3 0

2 years ago

Olve. Do your work on a separate she

Mazyrski [523]

Answer:

Step-by-step explanation:

2 coins are 0.25 = 50 cents. That leaves 92-50 = 42 cents and 5 coins to go.

The only way to get 2 cents is to have 2 pennies. That leaves 40 cents and 3 coins to go.

The only way to get 40 cents with 3 coins is 1 quarter, 1 dime, and 1 nickel.

So you have 3 quarters = 75 cents.

2 pennies = 2 cents.

1 dime = 10 cents.

1 nickel = 5 cents.

92 cents total and 7 coins.The only way to get 40 cents

5 0

3 years ago

Read 2 more answers