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raketka [301]
3 years ago
15

Given the arithmetic sequence where a1 = -5 and d = 6, what is a5? Completing these tests is what determines whether or not i gr

aduate.
Mathematics
1 answer:
Taya2010 [7]3 years ago
4 0
Since the first term is -5 and the difference is 6 so a2=1,a3=7,a4=13,a5=19. Hope that helped. if you have any questions regarding how I got the values, feel free to ask. :')
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Suppose that prices of recently sold homes in one neighborhood have a mean of $265,000 with a standard deviation of $9300. Using
Hatshy [7]

Answer:

Range  = (237100, 292900)

Step-by-step explanation:

Using Chebyshevs Inequality:

P(|X - \mu | \le k \sigma )\ge 1  -\dfrac{1}{k^2}= 0.889

1  -\dfrac{1}{k^2}= 0.889

\dfrac{1}{k^2}= 1- 0.889

\dfrac{1}{k^2}=0.111

k = \sqrt{\dfrac{1}{0.111}}

k \simeq 3

Thus, 88.9% of the population is within 3 standard deviation of the mean with the Range = μ  ±  kσ

where;

μ = 265000

σ = 9300

Range = 265000  ±  3(9300)

Range = 265000  ± 27900

Range =   (265000 - 27900, 265000 + 27900)

Range  = (237100, 292900)

3 0
3 years ago
Karen has to buy 8 people gifts, and she wants to spend the same amount on each person. Which equation would help her determine
ValentinkaMS [17]
$32/8=Answer
Answer=$4
She can spend $4 on each person.

Hope this helps!
5 0
3 years ago
Read 2 more answers
The figure below shows two parallel lines intersected by a third line. What is the value of x
lisabon 2012 [21]

Answer:

x = 20

Step-by-step explanation:

The two angles given in the diagram are alternate interior angles. Alternate interior angles are congruent. Therefore:

(4x)° = (x + 60)°

Use the equation to solve for the value of x

4x = x + 60

Subtract x from both sides

4x - x = x + 60 - x

3x = 60

Divide both sides by 3

\frac{3x}{3} = \frac{60}{3}

x = 20

4 0
3 years ago
Read 2 more answers
What are the zeros of the polynomial function f(x) = x3 + 10x2 + 24x?
Amiraneli [1.4K]
X^3 + 10x^2 + 24x

divide by x
x(x^2 + 10x + 24)

factor it
x(x+4)(x + 6)

now solve for x

the answer is -6,0,-4
8 0
3 years ago
Kevin is 150.5 centimeters tall. His older brother, Darrell is 1.2 times as tall as him.
artcher [175]
You just have to multiply 150.5 times 1.2 and you get 180.6
6 0
3 years ago
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