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blagie [28]
3 years ago
6

ASAP PLEASE A box contains 6 red, 3 white, 2 green, and 1 black (in total 12) identical balls. What is the least number of balls

necessary to take out randomly (without looking) to be sure of getting at least one red ball?
Mathematics
1 answer:
docker41 [41]3 years ago
7 0

Answer:

7 is the least.

Step-by-step explanation:

Their are 12 balls, and 6 of them are red. if you are to pick every single ball except the red ones, you cut the number of balls in half, and are left with 6 red balls, and 6 balls picked. Your next pick <u>must</u> be a red ball, making <u>7 picks</u>.

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Donna makes $9.75 per hour at her job. Kaylee makes $4 per hour at her job, and she receives a $0.25 raise each month.
Korvikt [17]

Answer:

The number of months it will take for Kaylee to make as much as Donna is 23 months

Step-by-step explanation:

Here we have amount Donna makes = $9.75/hour

Amount Kaylee makes = $4/hour with $0.25 monthly raise

Therefore, number of months, Y before Kaylee makes as much s Donna is given by the following expression;

4 + Y × 0.25 = 9.75

0.25·Y = 9.75 - 4 = 5.75

Therefore, \ Y = \frac{5.75}{0.25} =23 \ months

That means in 23 months, Kaylee will make as much as Donna per hour.

8 0
3 years ago
I need help with this...
Korvikt [17]

Answer:

b=5.76or 576

c=2.4 or 0.024

7 0
3 years ago
What’s the answer does anyone know?
Alexus [3.1K]

56.57

Explanation:
In the process,
Diameter= 18,
Radius(r)=
18
2

∴
Radius= 9
Now,
Circumference (Perimeter) = ?
According to the formula,
Perimeter= 2
×
22
7
×
r

Taking the equation,
Perimeter= 2
×
22
7
×
r

2
×
22
7
×
9

396
7

56.57142857

56.57

Let's hope this helps you:)
8 0
3 years ago
Read 2 more answers
What is 9/4 minus 4/3
ahrayia [7]

Answer:

Step-by-step explanation:27/12 - 16/12 = 11/12

4 0
3 years ago
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The table shows which school subject are favored by a group of students predict the number of students out of 400 that would pic
vfiekz [6]
What table. 

If it is a normal table or a wooden table. The marble ones are cool but I prefer the wood. btw this is just filler text so I could ask if you would link the table.
5 0
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