What is the average of 30, 40, and 80?

Answers

Answer 1

Answer: Because 80+40+30 equals 150 then you divide by how many number there are and there are 3 so 150 divided by 3 = 50

Answer 2

Answer: 40x80=3200
3200/2=1600
So the answer is 1600

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The sum of a number divided by 5 and 2 is equal to 6 put it in an equation

Answers

Since we are talking about a "sum", we can expect an equation with at least 2 addends. To know which parts of the of the word problem are your addends, it is necessary to take out the terms that are not to be added. Looking at the word problem, "6" is the sum, so therefore it should not be included as an addend. With "6" out of the way, we can now split the word problem into the 2 addends. One being the "number divided by 5" and the other being "2". Writing this in mathematical equation form, it would be:

Let: x = the unknown number

(X/5) + 2 = 6

Additionally, solving for the value of x, since X/5 is one term, it is necessary to isolate that. We can do this by subtracting 2 from both sides of the equation such that:

(X/5) + 2 - 2 = 6 - 2
(X/5) = 4

Multiplying both sides by 5
(X/5) * 5 = 4 * 5
X = 20

Therefore your unknown number is 20

The circumference of a circle with a diameter 1.8cm take pie to be 3.142

Answers

The formula to get the circumference is 2πr, π being pi and r being your radius.

Your r is 0.9 since the radius is half the diameter.

2πr = 2 x 3.142 x 0.9

= 5.6556cm

≈ 5.7cm

There are 24 men in a room¼ of the men are wearing red shirts
½ of the men are wearing green shirts
The remaining men are wearing blue shirts
Workout the number of men that are wearing blue shirts

Answers

Answer:

Step-by-step explanation:

1/4= 6 men

1/2=12 men

therefore 24-12-6=6 men

What 6/8 turned into a decimal

Answers

You can simplify 6/8 to 3/4. 3/4 and 6/8 are both 0.75 as a decimal.

will bought 3 college textbooks. one cost $32, one cost $45, and one cost $39. what is the average price of his books? choose the statement that correctly calculates the average. a. ($32 $45 $39) ÷ 3 b. $32 ÷ 3 $45 ÷ 3 $39 c. $32 $45 $39 ÷ 3 d. 3 × $32 $45 $39

Answers

The correct answer is a. ($32 + $45 + $39) ÷ 3

25% of all college students major in stem (science, technology, engineering, and math). if 30 college students are randomly selected, find the probability that