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Alina [70]
3 years ago
7

What is the answer to 8y^2-200z^2?

Mathematics
2 answers:
leva [86]3 years ago
4 0

Answer:

Step-by-step explanation:

lesya [120]3 years ago
4 0
What the answer option I wanna make sure I get this right
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1200 people pass by the road in one day. How many people passed by the road in an hour?
Zinaida [17]
Hello!

First you have to find out how many hours are in a day

There are 24 hours in a day

Since 1200 people pass a day to find the hourly rate you do

1200 / 24

This gives us the answer of 50

Hope this helps!
5 0
4 years ago
Read 2 more answers
American households increasingly rely on cell phones as their exclusive telephone service. It is reported that 53.0% of American
FrozenT [24]

Solution :

a). According to the reports, 53.0% of the American households still have a landline phone service. Out of which 8 households are randomly called.

Here, the landline phone service is p = 53.0%

                                                           n = 8

Therefore, q = 1 - p

                     = 1 - 0.53

                     = 0.47

here we use the binomial distance because the probability of having the landline phone service is constant and the number of the trial are finite.

b). Let x be the number of household in the sample group having landline phone service.

  Probability that none of the household in the sample group have a landline service is

= P( x = 0)

$=^8C_0 (0.53)^0(0.47)^8$

= 0.002 (using the binomial calculation )

c). Probability that exactly 5 of the household in the sample have a landline service is given by :

 P(x = 5)

$=^8C_5 (0.53)^5(0.47)^3$

= 0.24

8 0
3 years ago
47, 40, 36, 40, 42, 45, 40, 32. Are the mean, median and mode of the above data the same? If not
horrorfan [7]

Answer:

mean: 40.25

median: 40

mode: 40

Step-by-step explanation:

No.

If 42 is removed all values will be equal to 40.

4 0
3 years ago
This is numbers 1,2 and 3
VLD [36.1K]

Answer:

<u><em>1. c</em></u>

i think its right i hope it is im so sorry if it is not

7 0
3 years ago
Meghan used her cell phone for 45 minutes each day for n days. Her total minutes of cell phone usage was 540 minutes. Write an e
makvit [3.9K]

Answer:

Is there answer options because if not then it would possibly be y = 45x + 540 or it could be 45x = 540 or it could be 45x/540 so it can be any of those :)

Step-by-step explanation:

3 0
3 years ago
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