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Vsevolod [243]
3 years ago
12

Ms. Parker determined that the mean test score in her first-period class

Mathematics
1 answer:
cluponka [151]3 years ago
6 0

Answer:

B. Period 1 had scores that were less spread out around the mean than

Period 2

Step-by-step explanation:

Because the standard deviation of Period 2's scores is greater than that of Period 1's, the test scores for Period 2 are going to be more spread out than Period 1's test scores. B is the most logical choice in this case.

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How do you simplify 15/40​
Katyanochek1 [597]

Answer:3/8

Step-by-step explanation:

The simplest form of  

15 /40  is  3 /8 .

Steps to simplifying fractions

Find the GCD (or HCF) of numerator and denominator

GCD of 15 and 40 is 5

Divide both the numerator and denominator by the GCD

15 ÷ 5

40 ÷ 5

Reduced fraction:  

3 /8

Therefore, 15/40 simplified to lowest terms is 3/8.

3 0
3 years ago
Why might a mattress store choose to advertise new mattresses, worth $1,000, as $50 per week for 22 weeks?
IgorLugansk [536]
By doing so, they provide the illusion that the payments are cheaper then 1000 dollars, because 50 looks very small, when in reality it's $100 more then what the mattress is actually worth.
3 0
3 years ago
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Explanation please...........
mina [271]

Answer:

my school

Step-by-step explanation:

block me from sieng the image

8 0
3 years ago
Read 2 more answers
Hi Please answer this for me ill thank u and rate I Need it asap Thank U :D
Law Incorporation [45]

Answer:4) 1.  (3^4)^3=3^12    ,

                  2.(-10^3)^6=-10^18  others are similar...

              5) 1.  (2^7/2^5)=2^2,4  ,

                  2.(a^7/a^3)=a^4   ,

                  7.  [(-4)^3 x (-4)^5)]/[ (-4)^2 x(-4)^3]=4^3   others are similar...

Step-by-step explanation: 4)1. step1. 3^(4x3) ,  2. step1. -10^(3x6)

                                                    step2. 3^12      ,     step2. -10^18

                                              5)1. step1. 2^(7-5)  ,  2. step1. a^(7-3)

                                                     step2. 2^(2)     ,      step2. a^(4)

                                                 7. step1. -4^(3+5)/-4^(2+3)

                                                     step2. -4^(8)/-4^(5)

                                                     step3. 4^(8-5)

                                                     step4. 4^(3)

8 0
2 years ago
Keiko made her mother a quilt. The width is 8 3/7 and the length is 7 2/3 ft. What is the area of the quilt
iris [78.8K]

Answer:

64.62

Step-by-step explanation:

8 3/7 times 7 2/3 is 64.62 (rounded up)

6 0
3 years ago
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