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Elis [28]
2 years ago
9

No explanation needed. BRAINLY GET RID OF BOTS

Mathematics
1 answer:
sergejj [24]2 years ago
8 0
Personally I think the 3rd forth and the last one is but I’m not to sure
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A farmer needs to buy fencing to go around his garden. The garden is a 20’ by 15’ rectangle. How much fencing will he need
lukranit [14]
Use sod six itch yah onto
6 0
3 years ago
The heights in inches of orangutans Are normally distributed with a population standard deviation of 3" and an unknown populatio
CaHeK987 [17]

Answer: The 95% confidence interval is approximately (55.57, 58.43)

======================================================

Explanation:

At 95% confidence, the z critical value is about z = 1.960 which you find using a table or a calculator.

The sample size is n = 17

The sample mean is xbar = 57

The population standard deviation is sigma = 3

The lower bound of the confidence interval is

L = xbar - z*sigma/sqrt(n)

L = 57 - 1.960*3/sqrt(17)

L = 55.5738905247863

L = 55.57

The upper bound is

U = xbar + z*sigma/sqrt(n)

U = 57 + 1.960*3/sqrt(17)

U = 58.4261094752137

U = 58.43

Therefore the confidence interval (L, U) turns into (55.57, 58.43) which is approximate.

7 0
3 years ago
If u answer ill give brainlist
makkiz [27]

Answer:

120; 643 units squared

Step-by-step explanation:

Perimeter: Add all the sides, so 120 units

_________________________________

Area: First multiply 19 by 24 for the first shape within this other shape, so That equals 456 units squared. Since we know that one whole side is 36 we can subtract 19 from it to get the lower side of the smaller shape and then multiply that by 11. So the smaller side ends up being 17. So 17 times 11 equals: 187 units squared. Then just add the areas together 187+456=643 units squared.

3 0
3 years ago
–3m − 6 = –4m<br> find m please
RideAnS [48]

Answer:

m=6

Step-by-step explanation:

-3m+4m=6

m=6

3 0
3 years ago
Read 2 more answers
Domain of f(x)= square root of 9x
NemiM [27]
I hope this helps you





f (x)=3 square root of x
8 0
3 years ago
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