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Dennis_Churaev [7]
3 years ago
15

Operations with absolute value |-7 + 6| |-7| + 6 =

Mathematics
1 answer:
Fittoniya [83]3 years ago
7 0
|-7+6 |                  |-7| + 6
|-1|                           7+6
1                                 13
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Given A(0,-4), B(0,-9), and C(-2,-5). Find the length of BC.
Ivan

Answer:

4.5

Step-by-step explanation:

B(0,-9)

C(-2,-5)

=> BC = \sqrt{(-2-0)^{2} -(-5+9)^{2} }  = 4.4721

5 0
2 years ago
Which of the following can also be written as a recursive sequence?
liberstina [14]
The correct answer is Geometric sequence, Fibonacci sequence, and Arithmetic sequence. I just turned my class where I had this question and my teacher said I got them right. hoped this helped :)
7 0
3 years ago
Read 2 more answers
A fertilizer company manufactures 10-pound bags of fertilizer with a standard deviation of 0.24 pounds per bag. The bag weights
Ksju [112]

Answer:

the probability that a sample of 4 bags will have a mean weight less than 9.8 pounds is 0.05

Step-by-step explanation:

Given the data in the question;

μ_x = 10 pound bags

standard deviation s_x = 0.24 pounds

sample size n = 4

The bag weights are normally distributed so;

p( x' less than 9.8 ) will be;

p(  (x'-μ_x' / s_x')   <   (9.8-μ_x' / s_x')  )

we know that;

μ_x' = μ_x = 10

and s_x' = s_x/√n = 0.24/√4

so; we substitute

p(  z  <  ( (9.8 - 10) / (0.24/√4)  )

p(  z  <  -0.2 / 0.12   )

p(  z  <  -1.67   )

{ From z-table }

⇒ p(  z  <  -1.67   ) = 0.0475 ≈ 0.05

Therefore, the probability that a sample of 4 bags will have a mean weight less than 9.8 pounds is 0.05

3 0
3 years ago
A Pedro le dieron de aguinaldo el triple de lo que recibe de sueldo en un mes. Si pagó una deuda de $4500.00 y aún le quedaron $
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Answer:

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8 0
3 years ago
Is this question a statistical question Which student spends the most time playing musical instruments? explain why or why not
Cloud [144]

Statistical questions are questions that are answered by collecting variable data, which can be given as an average/range/percentage. This question has a single answer, and therefore it is not a statistical question. A statistical question would be, for example, What is the average amount of time students in this class spend playing musical instruments?

7 0
3 years ago
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