MATHEMATICS HIGH SCHOOL

What is: 3(7.5 + 2) + 4.6

Answers

Answer 1
Answer:

Answer:

25.6

Step-by-step explanation:

3(7.5+2)+4.6

15+6+4.6

21+4.6

25.6

Not that hard.

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Solve the equation for the given variable k/3-11=-20

Answers

(k)/(3-11) = - 20

You can subtract the numbers in the parenthesis:
(3-11) = (-8)

Multiply the denominator to both sides so it cancels out and isolates the variable(k)/(-8) × -8 = - 20 × -8
-8 and -8 cancels out

k = 160

Quick check:
(160)/((3-11)) = -20
(160)/(-8) = - 20
- 20 = - 20
Yes its right

the answer is: k =160

The word ‘over’ is to show a fraction btw
10 over x-4 = 6

Answers

Answer:

x = (17)/(3)

Step-by-step explanation:

(10)/(x-4)=6\n\n

10 = 6*(x -4)

10 = 6*x - 6*4

10 = 6x - 24

Add 24 to both sides

10 + 24 = 6x - 24 + 24

34 = 6x

6x = 34

Divide both sides  by 6

6x/6 = 34/6

x = (17)/(3)

A graph in visual form that expresses the important characteristics of a situation and does not necessarily have numerical values is?

Answers

a pie graph! because some of the time they dont have numbers

Weights of adult males.The weights of adult individuals in a certain country are normally distributed with a population mean of μ=172 pounds and a population standard deviation of σ=29 pounds. Suppose n=36 individuals are sampled.
1)
What is the mean of the sampling distribution of the means?

Answers

The sampling distribution of the means has a mean of 172 pounds and a standard deviation of 4.83 pounds.


In the context of sampling distribution of the means, the standard deviation represents the degree of spread or variation of sample means around the true population mean.

To compute the standard deviation of the sampling distribution of the means, one typically divides the population standard deviation by the square root of the sample size.

Therefore, the standard deviation of the sampling distribution of the means is 29/√36 = 29/6 = 4.83 pounds.

So, the sampling distribution of the means has a mean of 172 pounds and a standard deviation of 4.83 pounds.

To know more about sampling distribution refer here:

brainly.com/question/13501743#

#SPJ11

12 more than the quotient of a number and eight

Answers

Answer:

X÷8+12 is how this would look

Answer:

x/8 + 12

Step-by-step explanation:

Javier drove 45 miles, this represents 60% of his entire trip. What is the total number of miles in his trip

Answers

Ratio and proportion

45mi/60%=x miles/100%
cross multiply
60x=4500
   x=75 miles

hope this helps
60% is the same thing as 6/10, or 3/5. So 45 miles is 3/5 of his trip. 45=3/5x, where x is the number of miles in his trip. Divide both sides by 3/5 and you should get 75 miles.
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