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Anna [14]
2 years ago
5

WILL GIVE BRAINLIEST!

Mathematics
1 answer:
Vsevolod [243]2 years ago
8 0

Step-by-step explanation:

the answer to your question with roster method is

(-5,-4,-3,-2 and -1)

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If f(x) = 9^x , them prove that : f(m+n+p) = f(m) × f(n) × f(p) .​
blondinia [14]

Answer:

f(m+n+p) = 9^(m+n+p)

while f(m) × f(n) × f(p) = 9^m+9^n+9^p = 9^(m+n+p)

so the second property explains why it's a + instead of ×

4 0
3 years ago
2 w = 2p - 3z<br> a Find w when p = 8 and z = -2
Eva8 [605]

Answer:

11

Step-by-step explanation:

2w = 2×8 - (-2×3)

2w = 16 - (-6)

2w = 22

w = 11

3 0
2 years ago
Find the two numbers whose sum is 54 and whose difference is 4
galina1969 [7]

Answer:

25 and 29

Step-by-step explanation:

25 + 29 = 54 and there is a difference of 4 between them

4 0
3 years ago
Read 2 more answers
What is the value of L?
drek231 [11]

Each sample of Shelia's glucose comes from a normal distribution with mean 128 and standard deviation 10. The average of three samples is normal with the same mean and a standard deviation of \dfrac{10}{\sqrt 3}.


By the 68-95-99.7 rule a one sided probability of 2% is a bit more than two standard deviations above the mean (2.5%). We look up 1-.02=.98 in the normal table that's the integral of the standard normal from 0 to z and get z=2.06.


For the observed average to have probability 2% it needs to be 2.06 standard deviations above the mean, so


L = 128 + 2.05 \cdot \dfrac{10}{\sqrt 3} \approx 139.8


Part a: 139.8


For the sample average compared to 140, we compute how many standard deviations 140 is above our mean of 128.


z = \dfrac{140 - 128}{ 10 / \sqrt{3}} =\approx 2.08


That's virtually the same as the last result, but we look it up and get .98124, so p=1-98124=.019.


Part b: .019



5 0
3 years ago
. Evaluate | 7 | = ?.
lakkis [162]

Answer:

|7| = 7

......

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
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