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vivado [14]
3 years ago
9

the probability that a student and a class is left-handed is 0.1 what is the probability that a student chosen from this class i

s not left-handed?​
Mathematics
1 answer:
Sunny_sXe [5.5K]3 years ago
3 0

Answer:

.9 or 90%

Step-by-step explanation:

For every 10 students, there is a chance that one will be left handed.  So the counterpart to 1/10 is 9/10, since there is a 9/10 chance someone will not be lefthanded.  (9/10 can also be writen as 90%)

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Crystal is paying the bill at a restaurant. Ignoring all taxes, the
Leona [35]

Answer: She will pay $64.90 in total.

Step-by-step explanation: The bill at the restaurant comes to $55 and Crystal wants to include an 18% tip.

So you will convert this into decimal form, which will be 0.18.

Now, you will multiply 55 by 0.18, giving you 9.9.

Add that to 55 and you will have your answer.

Have a great day!

8 0
3 years ago
Use properties of operations to simplify the expression 24x - y - 2x + 13 - 2 - 4z
Bumek [7]

Answer:

22x + 11 - 4z - y

Step-by-step explanation:

24x - 2x + 13 - 2 - 4z - y =

22x + 11 - 4z - y

6 0
3 years ago
What is the value of 54-4a^2+3b^3 when a=-2 and b=4
max2010maxim [7]

2015-12-14T20:17:50+00:00If you would like to know what is the value of <span>54 - 4 * a^2 + 3 * b^3 </span>when a = -2 and b = 4, you can calculate this using the following steps:

54 - 4 * a^2 + 3 * b^3 = 54 - 4 * (-2)^2 + 3 * 4^3 = 54 - 4 * 4 + 3 * 64 = 54 - 16 + 192 = 230

If you would like to know what is the value of 54 - 4 * a^2 - 3 * b^3 when a = -2 and b = 4, you can calculate this using the following steps:

54 - 4 * a^2 - 3 * b^3 = <span>54 - 4 * (-2)^2 - 3 * 4^3 = 54 - 4 * 4 - 3 * 64 = 54 - 16 - 192 = -154</span>
8 0
3 years ago
Read 2 more answers
Find angle that is marked by question mark​
solong [7]

Answer:

? = 50°

Step-by-step explanation:

? = 180° - 130° = 50°

4 0
3 years ago
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Answer this problem. 3⁄14 ÷ 2⁄7 = ?
vladimir2022 [97]

Answer:

3/4

Step-by-step explanation:

3/14 ÷ 2⁄7

Copy dot flip

3/14 * 7/2

We rewrite

3/2 * 7/14

Canceling a 7 from 7 and 14

3/2 * 1/2

Multiplying straight across

3*1 =3

2*2=4

3/4

8 0
3 years ago
Read 2 more answers
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