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Anvisha [2.4K]
4 years ago
5

I need the equation for both options

Mathematics
1 answer:
Alex777 [14]4 years ago
6 0
Option 1: C= 10 L + 200. Option 2: C= 50 L .
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A rectangular shelf with an area equal to x^2-16x+60 square units could have which possible dimensions for length and width
kenny6666 [7]

Answer:

Step-by-step explanation:

x²-16x+60

=x²-6x-10x+60

=x(x-6)-10(x-6)

=(x-6)(x-10)

so dimensions are x-6 and x-10.

8 0
3 years ago
Two random samples of 40 students were drawn independently from two populations of students. Assume their aptitude tests are nor
dybincka [34]

Answer:

b. Do not reject the null hypothesis

Step-by-step explanation:

Given that two random samples of 40 students were drawn independently from two populations of students.  Assuming equal variances

we have the following data.

Sample 1

Mean:  

76

 

Standard deviation:  

8

 

Sample size:  

40

 

Sample 2

Mean:  

73

 

Standard deviation:  

7

 

Sample size:  

40

H_0: \bar x_1=\bar x_2\\H_a:  \bar x_1\neq \bar x_2

Difference -3.000

Standard error 1.681

95% CI -6.3462 to 0.3462

t-statistic  -1.785

DF  78

Significance level P = 0.0782

Since p value >0.05,

b. Do not reject the null hypothesis

7 0
4 years ago
Mary is reading a book she reads 12 pages per day and takes her 3 weeks to complete the book how many pages are in the book?
Sindrei [870]
In 3 weeks there are 21 days.
She reads 12 pages a day.
In 21 days she reads 12*21=252 pages.
3 0
3 years ago
Read 2 more answers
Please help me with this question
Cerrena [4.2K]

Answer:

x is 3

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
HELLLP BRAINLY MORE THAN ONE ANSWER
leva [86]

Answer:

7 is the correct answer

6 0
3 years ago
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