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katen-ka-za [31]
2 years ago
7

PLEASSSSE HELP

Mathematics
1 answer:
ddd [48]2 years ago
3 0
You answer is 6a minus 4b+11

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A synthetic fiber used in manufacturing carpet has tensile strength that is normally distributed with mean 75.5 psi and standard
Sedaia [141]

Answer:

The standard deviation reduces when sample size (n) increases

Step-by-step explanation:

From the above information given, we have that mean = 75.5

Standard deviation = 3.5

But Standard deviation = √summation (x-u)/n

This simply implies that when sample (n) is increased there would be a reduction in the standard deviate.

7 0
2 years ago
the equation y=12.21x +37.42 fits the scatterplot of the values for stock ABC over the past month with an r-value of 0.9871. how
Lynna [10]
I'm pretty sure you already solved this by now, but I'll say the answer anyway. This problem has already been solved by another as a verified answer. 

This is the concept of financial algebra, we are required to calculate the value of stock ABC which follows the model given by: 
y=12.21x+37.42
given that x=62 days, 
the value of th estock after 62 days will be given by: 
y=12.21(62)+37.42
y=757.02+37.42
y=794.44

ABC will be worth $794.44

I take no credit for this answer. It was solved by CastleRook. 
4 0
3 years ago
Bob deposits $5000 into an account that pays simple interest at a rate of 4% per year. How much interest will he be paid in the
Olenka [21]
The answer is 1,200 but all you have to do is figure out what 4% of 5000 is and then multiply that by 6

5 0
3 years ago
WILL MARK BRAINLIEST PLEASE HELP
vlada-n [284]

Answer:  

2x + (-2x + 3) = 3

2x - 2x +3

0 + 3

3

2x-7 + (-2x) = -7

2x -2x - 7

0 -7

-7

-(5x -1) + 5x = 1

-5x +1 + 5x

-5x + 5x + 1

0 + 1

1

Step-by-step explanation: In addition, the parentheses help identify the individual addends. If adding a negative number, it is the same as subtracting. If there is a negative sign outside the parentheses, as in example c, you must distribute it: the signs of the numbers within the parentheses must be reversed when the parentheses are removed.

6 0
2 years ago
A rectangle has a width of 5 meters and a length of 7 meters. A similar rectangle has a width of 15 meters. What is the length o
JulijaS [17]
I believe 21 because 5×3 is 15 so 7×3=21
6 0
2 years ago
Read 2 more answers
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