Evaluate the expression. 2x – 19, when x = –11 3 –41 –3 41

Answers

Answer 1

Answer: Substitute (-11) in for x. You will get 2(-11)-19. Then, use the order of operations to get -22-19=
-41.
Hope that helps!

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Suppose you want to represent a triangle with sides 12 feet, 16 feet, and 18 feet on a drawing where 1 inch = 2 feet. How long should the sides of the triangle be in inches?The sides of the triangle on the drawing should be _____.

Answers

Answer: The sides of the triangle on the drawing should be 6 inches, 8 inches, and 9 inches.

Step-by-step explanation:

Given: A triangle with sides 12 feet, 16 feet, and 18 feet on a drawing where 1 inch = 2 feet.

Then, 1 feet of original triangle = $(1)/(2)$ inch on drawing.

Now, the sides of the triangle on the drawing are:-

12 feet = $(1)/(2)*12=6\text{ inches}$

12 feet = $(1)/(2)*16=8\text{ inches}$

12 feet = $(1)/(2)*18=9\text{ inches}$

Hence, the sides of the triangle on the drawing should be 6 inches, 8 inches, and 9 inches.

the sides of the triangle would be 6 inches, 8 inches, and 9 inches long

Which is a measure of the efficiency of an investment? return rate return on investment efficiency coefficient

Answers

"return on investment" is the best measure of the efficiency of an investment, but it should be noted that there are other indicators of how well an investment is doing.

Answer:

The measure of the efficiency of an investment is:

Return on investment (ROI)

Step-by-step explanation:

Return on investment (ROI)--

Return on investment is a kind of a performance measure that measures the efficiency of an investment or compare efficiency of different investments.

The formula to calculate ROI is given by:

$\text{ROI}=\frac{\text{Benefit\ or\ return\ on\ investment}}{\text{Cost\ of\ investment}}* 100$

Hence, the answer is:

Return on Investment (ROI)

The 5th graders want to raise money for their overnight camping trip by selling cornbread during the school chili cook off contest.All the pans of cornbread are square.A pan of cornbread cost $12.The costumers can buy and fractional part of a pan of cornbread and pay that fraction of $12.For example, 1/2 of a full pan cost 1/2 of $12.What questions or question do you think could be part of this problem?

What operation do you think you would use to solve this problem?why?

Answers

A possible question could be: Maria only wants 1/4 of a pan of cornbread. How much will she have to pay?
Answer: 3 dollars.
Possible equation: 1/4p = x; where p = 12 and x = amount to be payed.

Last year the enrollment of genoa middle school was 465 students. this year the enrollment is 525.

Answers

Answer:

The amount of change is 60

The percent of change is 13%, increase.

Step-by-step explanation:

Consider the provided information.

Last year the enrollment of genoa middle school was 465 students. this year the enrollment is 525.

The amount of change is: 525-465=60

That means this yr 60 more student get enrollment.

Now find the percentage change.

$\text{Percent of change}=\frac{\text{Amount of change}}{\text{Orignal amount}}$

Substitute the respective values:

$\text{Percent of change}=(60)/(465)\approx0.13$

$\text{Percent of change}=13\%$

Hence, the percent of change is 13% and percentage is positive so this is a percent of increase.

The enrollment Count Went Up By 60 Student Enrollments :3

How do you convert 0.125 into a ratio

Answers

Start by writing the ratio of:

0.125/1 (since a number divided by 1 is itself)

Then multiply the numerator and denominator by 10, 100, or 1000, etc. until the numerator becomes an integer: (in this case multiplying by 1000 does the trick)

(0.125*1000)/(1*1000)
125/1000

Now simplify by dividing by common factors. For this problem, 5 is a common factor of both the numerator and denominator:

(125/5)/(1000/5)
25/200

Do this again with another common factor if possible. For this problem, 25 is another common factor:

(25/25)/(200/25)
1/8

Now there are no more common factors between the numerator and denominator. When this is the case, the fraction can be considered to have been simplified:

Answer is: 1/8

Answer:

Start by writing the ratio of:

0.125/1 (since a number divided by 1 is itself)

Then multiply the numerator and denominator by 10, 100, or 1000, etc. until the numerator becomes an integer: (in this case multiplying by 1000 does the trick)

(0.125*1000)/(1*1000)

125/1000

Now simplify by dividing by common factors. For this problem, 5 is a common factor of both the numerator and denominator:

(125/5)/(1000/5)

25/200

Do this again with another common factor if possible. For this problem, 25 is another common factor:

(25/25)/(200/25)

1/8

Now there are no more common factors between the numerator and denominator. When this is the case, the fraction can be considered to have been simplified:

Answer is: 1/8

Step-by-step explanation:

What is 0.14 4 recurring as a fraction