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Alex Ar [27]
3 years ago
13

Whats 5(3× + 4) - 3 (-2× +11)

Mathematics
1 answer:
denpristay [2]3 years ago
8 0

Answer:

21x+53

Step-by-step explanation:

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-10d 4 e 3 f 5 ÷ 15d 2 e 2 f
Stolb23 [73]
The answer is going to be 5f + 2e <span> hopes this helps :) 
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6 0
3 years ago
Evaluate the expression n-f x 8 if n= 84.15 and f=1.8
Gnesinka [82]
84.15-1.8*8
Order of Operations says to add and subtract before you multiply, so simplify the expression to: 82.35*8, which is 658.8
6 0
3 years ago
X^72-3x^24+x^13+2x^7-x+1/x+1
Basile [38]
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7 0
3 years ago
"Refer to the accompanying data display that results from a sample of airport data speeds in Mbps. Complete parts​ (a) through​
Stella [2.4K]

Answer:

it is not necessary to confirm that the sample data appear to be from a population with a normal ​distribution;

D. Because the sample size of 50 is greater than​ 30, it can be assumed that the sample mean is from a population with a normal distribution

Step-by-step explanation:

Normal distribution which is  otherwise known as the Gaussian distribution, it is a probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.

The arithmetic mean or average; is the sum of a collection of numbers divided by the total  numbers in the collection.

6 0
3 years ago
If the m ZABC = 60°, find mZABD.
Vinil7 [7]

Answer:

39.5

Step-by-step explanation:

angle ABC=60=(5x+2)+(3x-2)

60=8x

x=7.5

Angle ABD=(5x+2),(sub x=7.5)

                  =(5*7.5+2)

                  =39.5

7 0
3 years ago
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