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Leto [7]
3 years ago
12

- A1 Plumbing Service charges $35 per hour plus a $25

Mathematics
1 answer:
Alja [10]3 years ago
3 0

Answer: 5 hours

Step-by-step explanation: c=35•h+25

25=40•h-35•h; 25=5•h

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Use the binomial expression (p+q)n
zvonat [6]

Answer:

{0.16807, 0.36015, 0.3087, 0.1323, 0.02835, 0.00243}

Step-by-step explanation:

The expansion of (p+q)^n for n = 5 is ...

(p+q)^5 = p^5 +5·p^4·q +10·p^3·q^2 +10·p^2·q^3 +5·p·q^4 +q^5

When the probability p=0.3 and q = 1-p = 0.7 the terms of this series correspond to the probabilities of 5, 4, 3, 2, 1, and 0 favorable outcomes out of 5 trials.

For example, p^5 = 0.3^5 = 0.00243 is the probability of 5 favorable outcomes in 5 trials where the probability of each favorable outcome is 0.3.

___

The attachment shows the calculation of these numbers using a graphing calculator. It lists them in reverse order of the expansion of (p+q)^5 shown above, so that they are the probabilities of 0–5 favorable outcomes in the order 0–5.

3 0
3 years ago
I need help drawing the graph of -2x+2y=-4
True [87]
Arrange in slope intercept form.....
2y = 2x -4
y = x - 2

So, the line would go up......crossing the y axis at -2.........hope this helps

4 0
3 years ago
Read 2 more answers
4 cups of pineapple juice, 8 cups of orange juice and 12 cups of Sprite makes 18 servings. How many cups of pineapple juice will
Ronch [10]

Answer:

24 cups.

Step-by-step explanation:

18 serving requires 4 cups of Pine apple

for 108 serving, 108/18 = 6 times.

Hence all your ingredients will be multiplied by 6 times to prepare 108 servings.

6 0
3 years ago
There are 15 girls and 25 boys in a science club what percent of the members were girls
otez555 [7]
   15      /      40             =    .375
total #      total #
of girls      of students

.375 = 37.5%

15/40 as a fraction ---> simplify ---> 3/8
3 0
3 years ago
What is the graph of the function rule Y= 1/3x - 1 ?
GrogVix [38]
Yes. A is the right graph because the line must travel through two points: (0 ,1)and(-3, 0)
5 0
2 years ago
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