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Yuri [45]
3 years ago
10

Which set of integers is in

Mathematics
1 answer:
Mariana [72]3 years ago
3 0
D) if you meant -181
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Which identify could be used to rewrite the expression x6-27
hammer [34]
The differnce of 2 perfect cubes

remember
a³-b³=(a-b)(a²+ab+b²)

so
(x^2)^3-(3)^3=(x^2-3)(x^2+3x+9)
3 0
3 years ago
The same sample of 25 seniors from the urban school district with the mean and standard deviation N(450, 100). A 95% confidence
kvv77 [185]
The margin of error of a sample is given by:
B = z(α/2) σ/√n; where B is the margin of error = 25, z(α/2) is the level of significant = 1.96, σ is the standard deviation = 100 and n is the sample size.

25 = 1.96(100/√n)
100/√n = 25/1.96 = 12.76
√n = 100/12.76 = 7.84
n = (7.84)^2 = 61.47

Therefore, the smallest sample size required is 62 seniors.
3 0
4 years ago
For me ots allmost 11 at night please help​
slega [8]

Answer:

slope(m)= (9/4) and y intercept =5

Step-by-step explanation:

8 0
3 years ago
If K is the midpoint of JL, JK = 8x + 11 and KL = 14x – 1, find JL.​
masha68 [24]

Answer:

JL=54

Step-by-step explanation:

We are given that K is the midpoint of JL. Using this information, we want to find JL.

By the definition of midpoint, this means that:

JK=KL

Substitute them for their equations:

8x+11=14x-1

Solve for <em>x.</em> Subtract 8<em>x</em> from both sides:

11=6x-1

Add 1 to both sides:

6x=12

And divide both sides by 6. Hence:

x=2

JL is the sum of JK and KL. Hence:

JK+KL=JL

Since JK = KL, substitute either one for the other:

JK+(JK)=2JK=JL

Substitute JK for its equation:

2(8x+11)=JL

Since we know that <em>x</em> = 2:

2(8(2)+11)=2(16+11)=2(27)=54=JL

Thus:

JL=54

3 0
3 years ago
There are 16 books on a shelf. Four sixteenths of the books are about animals. Two and adventure. The rest are mystery. How many
lutik1710 [3]

Answer:

10 mystery books

Step-by-step explanation:

Animals:

Multiply the total number of books by the fraction of animal books

4/16*16

4 animal books

Adventure:

2 adventure books

Mystery:

Subtract the number of adventure and animal books from the total number of books

16-4-2

10

10 mystery books

Hope this helps! :)

4 0
3 years ago
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