MATHEMATICS MIDDLE SCHOOL

Which expression is equivalent to 1/4 (8-6x +12)

Answers

Answer 1
Answer:  1/4 (8-6x +12)
1/4(20 - 6x)
5 - 1.5x

Answer should be: 5 - 1.5x

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the distance between two cities is 400,000 meters If the train travels at a speed of 80 kilometers per hour, how long will it take the train to travel from one city to the next?

Answers

first convert 400.000 m to km, 400 km

80 km /h   x    5h= 400km

so it going to take 5 hours of travel

Answer:

5 hours

Step-by-step explanation:

PLEASE HELP, WILL MARK BRAINLIESTSELECT ALL THAT APPLY.
Which of the following could you use to solve this problem?
What is 25% of 37?
a. x/37 = 25/100
b. p = (0.25)37
c. 37/0.25 = w
d. 25/100 x 37
SELECT ALL THAT APPLY.

Answers

Answer:

A, B, D

Step-by-step explanation:

25% of 37

= 25/100 × 37

= 1/4 × 37

= 0.25 × 37

= 9.25

Final answer:

To find 25% of 37, you can use the equations: 'x/37 = 25/100', 'p = (0.25)37', and '25/100 x 37'. Option '37/0.25 = w' is not appropriate for finding 25% of 37.

Explanation:

To find 25% of 37, you can use the following methods: a), b), and d).

These three options essentially represent how percentages can be calculated:

  1. a) This represents 25% as a fraction (25/100) with 37 as the total (x/37). Solving for x gives you the answer.
  2. b) This signifies that 25% is converted to a decimal (0.25), and then multiplied by 37 to get the answer.
  3. d) It's similar to option a, but this time the fraction is multiplied by the total amount (25/100 * 37) directly making it a single step process.

Option c) is not suitable here because by dividing 37 by 0.25, you are finding out how many times 25% can fit into 37, not 25% of 37.

Learn more about Percentage Calculation here:

brainly.com/question/329987

#SPJ11

The scatter plot below shows the relationship between the percentage of American adults who smoke and years since 1945.During this time period, the percentage of adults who smoked changed each year by about

Choose 1 answer
(A) -2 percentage points
(B) -1 percentage points
(C) -1/2 percentage points
(D) -1/4 percentage points

Answers

Final answer:

Though the scatter plot isn't available, interpretation of the plot would suggest an average change in smoking rate. The optimal choice can't be stated without the graph.

Explanation:

This question is asking you to interpret the trend shown in a scatter plot, which falls under the mathematical topic of statistics. Since the question does not provide a visible scatter plot, we cannot confidently select an answer choice for a change in the smoking rate. However, if a scatter plot were available, you would analyze it to find the average rate of change from year to year. Each percentage point represents the change in the percentage of adult smokers in the United States from one year to the next.

Learn more about Statistics here:

brainly.com/question/31538429

Answer: -1/2 percentage points.

Step-by-step explanation:

Since the data shows a mostly linear trend, a line can be drawn to estimate the rate of change.

The line approximately goes through (0,40) and (10,35), so a approximation for the slope is 35-40/10-0, equaling -1/2.

I’m thinking of two numbers. Their greatest common factor is 6. Their least common multiple is 36. One of the numbers is 12. What is the other number?

Answers

The number of all divisors of 6  
6 multiples of the number 18 we find one of
so the answer is 18
because six is the gcf is 6 and their lcm is 36 you have to find what can be divided by 6 and in one of their factors be 36 so I came up with 18

Rolling a number cube labeled 1-6 and tossing a nickel

Answers


OK. 

If you predict a number between 1 and 6, and
also predict heads or tails, then roll and flip,
the probability that the roll and flip will all fall
exactly like you predicted is

             (1/6) x (1/2) = 1/12 = (8 and 1/3) % .

Do you have a question to ask ?
Rolling a cube with 1-6 has 6 possibilities. Tossing a nickel only has 2, heads and tails. Hope I helped!!! :D

What is the difference between a representation of a concept and an example? PLEASE HELP!!

Answers

when you represent a concept its like the same thing just you're thinking about it in a different way. and example is an elaboration of that.... like an add on. so an example of a representation would be the cup thing... it could be half empty or half full you could be an optimist or a pessimist depends on how you look at it.... see how I did that xb hope I helped
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