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Pie
2 years ago
7

2x+y=10 x-intercept?______ y-intercept?______ have to show work

Mathematics
1 answer:
Wewaii [24]2 years ago
3 0

Answer:

y = 10-2x

Step-by-step explanation:

2x+y=10

y=10-2x

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What Are Nautical Miles?
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A unit used in measuring distances at sea.
6 0
4 years ago
A political analyst found 43% of 300 randomly selected republican voters feel that the federal government has too much power. Fi
Genrish500 [490]

Answer:

Step-by-step explanation:

We want to determine 95% confidence interval of the population proportion of republican voters who feel that the federal government has too much power.

43% of 300 randomly selected republican voters feel that the federal government has too much power. This means that

p = 43/100 = 0.43

q = 1 - p = 1 - 0.43 = 0.57

n = 300

mean, u = np = 300 × 0.43 = 129

Standard deviation, s = √npq = √129×0.57 = 8.575

For a confidence level of 95%, the corresponding z value is 1.96. This is determined from the normal distribution table.

We will apply the formula

Confidence interval

= mean +/- z ×standard deviation/√n

It becomes

129 +/- 1.96 × 8.575/√300

= 129 +/- 0.9704

= 129 +/- 0.9704

The lower end of the confidence interval is 129 - 0.9704 =128.0296

The upper end of the confidence interval is 129 + 0.9704 =129.9704

Therefore, with 95% confidence interval, the mean of the population proportion of republican voters who feel that the federal government has too much power is between 128.0296 and 129.9704

7 0
4 years ago
Find the inverse of the function given? f(x) =x+9/2
tekilochka [14]
Answer: f^ -1 = x-9/2
Explanation & Steps:
1) Change f(x) to y
2) Switch y and x -> you will get x= y + 9/2
3) subtract 9/2 on both sides -> you will get x-9/2= y

Result- y = x-9/2
(Switch y to f^-1)
Hope this helps :)
6 0
3 years ago
ALGEBRA 15 POINTS please help will give 15 points
Licemer1 [7]

Answer:

angle FEX is 105

Step-by-step explanation:

x=30 just plug that in and check(i already did but if u want to u can do it too).

6 0
3 years ago
Read 2 more answers
The manager of a radio station decides that on each successive evening (7 days per week), a Beethoven piano sonata will be playe
VashaNatasha [74]

Answer:

3 years, 11 months and 10 days

Step-by-step explanation:

Beethoven wrote

32 piano sonatas

9 symphonies

5 piano concertos

By the fundamental principle of counting there are

32 times 9 times 5 ways of combining these pieces in the required order.

32 times 9 times 5 = 1,440

As there are 365 days in a year, the policy decided by the manager could be continued during

1,440/365 = 3.9452 years.

But 3.9452 years = 3 years + 0.9452 years.

As 1 year equals 12 months

0.9452 years = 11.3424 months

11.3424 months = 11 months+0.3424 months

As 1 month = 30 days

0.3424 months = 10.27 days = 10 days rounded to the nearest integer

So, the manager could continue this policy for

3 years, 11 months and 10 days without repeating the program.

8 0
3 years ago
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