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Harlamova29_29 [7]
3 years ago
15

Answer those two questions please

Mathematics
1 answer:
yuradex [85]3 years ago
6 0

Answer:

1. 3212 = 3.212 X 10 of 3

2. because it easier to write and read

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Is the point 4,16 on the graph of the function y=4x? why?
lana66690 [7]

Answer:

Yes. It works in the equation.

Step-by-step explanation:

To see if (4,16) is on the line, substitute (4,16) into the equation.

y = 4x

16 = 4*4

16 = 16

It satisfies the equation and makes it a solution.

5 0
3 years ago
How many different 5-letter words can be made
Zinaida [17]
Your answer would be C please trust me I’ve done this before, have a nice day (:
6 0
3 years ago
Suppose that the number of worker-hours required to distribute new telephone books to x% of the households in a certain rural co
Ad libitum [116K]

Answer:

a) Domain = (-\infty,400)\cup (400,\infty)

b) x \in [0,100]

c) 53.03 worker hours

d) 83.33 worker hours

e) 83.33 worker hours

Step-by-step explanation:

We are given the following in the question:

W(x) = \dfrac{250x}{(400-x)}

where W(x) is the number of worker-hours required to distribute new telephone books to x% of the households in a certain rural community.

a) Domain of function.

The domain is the all the possible values of x that the function can take.

Domain = (-\infty,400)\cup (400,\infty)

b) Values of x

Since x is a percentage in reference to context, it can only take value upto 100. Also it cannot take any negative value.

So domain n reference to context will be

x \in [0,100]

c) worker-hours were required to distribute new telephone books to the first 70% of the households

W(70) = \dfrac{250(70)}{(400-70)} = 53.03

53.03 worker hours were required to distribute new telephone books to the first 70% of the households.

d) Worker hour for entire community

For entire community, x = 100

W(100) = \dfrac{250(100)}{(400-100)} = 83.33

83.33 worker hours were required to distribute new telephone books to the entire households.

e) Percentage of the households in the community for 3 worker hours

3 = \dfrac{250x}{(400-x)}\\\\1200-3x = 250x\\253x = 1200\\\\x = \dfrac{1200}{253} = 4.74\%

Thus, 4.74% of the households in the community had received new telephone books by the time 3 worker-hours had been expended.

6 0
3 years ago
A minor league baseball team plays 119games in a season. if the team won 15more than three timesas many games as they​ lost, how
Ivenika [448]
15+ 3y = amount of wins             119-26= 93
y= losses                                      93 wins
y+15+3y = 119
4y = 119- 15
so 4y= 104
y= 26
26 losses
8 0
3 years ago
What is the answer to this equation 42 =7(z-3)
7nadin3 [17]
The answer is 42= 7(9-3), z would be 9
6 0
3 years ago
Read 2 more answers
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