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nirvana33 [79]
2 years ago
14

Help down below, these are my last questions I need help on and I need it done urgently.

Mathematics
1 answer:
love history [14]2 years ago
6 0

Answer:

6) 2/3

7) 1/2

8) 5/8

9) 3/4

10) 1

11) 1

12) 7/12

Hope this helps :^)

Step-by-step explanation:

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Help plz no links will mark best answer
Fantom [35]

Answer:

20

Step-by-step explanation:

you know the ratio is 4:3 so you do 4+3=7 then you do 140÷7=20 so I bar represents 20

4 0
2 years ago
Suppose that past history shows that 60% of college students prefer brand c cola. a sample of 5 students is to be selected. base
creativ13 [48]
The probability is 0.337.

The probability that more than 3 prefer brand c is the same as finding the probability that 4 or 5 prefer brand c.  Using a binomial distribution,

_5C_4(0.6)^4(0.4)^{5-4}+_5C_5(0.6)^5(0.4)^{5-5}
\\
\\=\frac{5!}{4!1!}(0.6)^4(0.4)^1+\frac{5!}{5!0!}(0.6)^5(0.4)^0
\\
\\=5(0.6)^4(0.4)+1(0.6)^5(1)=0.33696\approx0.337
4 0
2 years ago
What is the slope?<br> (0, 4)<br> (2, 10)
fredd [130]

Answer:3

Step-by-step explanation:

10-4/2-0 = 6/2 = 3

7 0
2 years ago
Read 2 more answers
The sum of the digits of a two-digit number is 14. If the number formed by reversing the digits is less than the original number
HACTEHA [7]

Answer:

86

Step-by-step explanation:

1. a+b=14 ⇒ a= 14-b

2. 10a+b=18+10b+a ⇒ a= 2+b

comparing 1 and 2:

14-b= 2+b ⇒ 2b= 12 ⇒ b= 6

a= 14-b= 8

number = 86

reversed number = 68

3 0
3 years ago
The ampitude/frequency/period of y=1/4cos1/2x is 4 pie
Fantom [35]
Amplitude: 1/4 (= |a|)
Frequency: 1/2 (= |b|)
Period: 4pi (= 2pi/|b|)
7 0
3 years ago
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