PLEASE HELP!!! 20 POINTS THANKS

Use the Associative Property of Addition to find the total of 4, 12, and 18 in two different ways.

A. (4 + 12) + 18 = 16 + 18 = 34; 4 + (12 + 18) = 4 + 30 = 34

B. (4 + 12) + 18 = 16 + 18 = 34; (12 + 4) + 18 = 16 + 18 = 34

C. 4 + 12 + 18 = 16 + 18 = 34; 12 + 18 + 4 = 30 + 4 = 34

D. 4 + 12 + 18 = 16 + 18 = 34; 18 + 12 + 4 = 30 + 4 = 34

Answers

Answer 1
Hello! Associative property has to do with having parenthesis around two numbers, without the order of the numbers lined up changing. Only the parenthesis moves. In this case, C and D are eliminated. B makes sense, but the order of numbers in the second way changes. For A, it never changes. Only the parenthesis change. Therefore, the answer is A.
Answer 2

Answer:


Step-by-step explanation:

A. (4 + 12) + 18 = 16 + 18 = 34; 4 + (12 + 18) = 4 + 30 = 34



Related Questions

Write a situation from real life that can be represented as an ecuation: y = 1/20x. Don’t forget to describe what does each variable represent.


Can you help me please?

Answers

A situation this equation can represent is the amount of hair growth you have in a certain period of time

y= the amount (in inches) your hair has grown
1/20 represents 1/20 inch growing rate per day
x= the number of days that has passed

Hope this is acceptable!

Mr Paul drove to clay and back from drake he drove 312 miles took a break and then drove 244 miles to clay on his trip back to drake from clay he drove 305 miles before he took a break if he drove the same route back how many miles did he drive the second part of his return trip

Answers

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312+244=556, 556-305=251 miles
The second part of his trip he drove 251 miles

round to the nearest centemeter

Answers

Translate this statement into an equation.

16 cm = (1/4)d + 2.5 cm

64 cm = d + 10

54 cm = d  (answer)
Final answer:

Rounding to the nearest centimeter involves adjusting a precise measurement to the nearest whole centimeter mark on a measuring tool. Millimeters and centimeters are appropriate units for measuring small objects, and understanding the conversion between these units is important for accurate rounding.

Explanation:

When you are asked to round to the nearest centimeter, you are being tasked with adjusting a measurement to reduce its precision to the nearest whole number of centimeters. In the context of using a measuring device such as a meterstick, you typically have the ability to measure in centimeters (cm) as well as millimeters (mm), with 10 millimeters making up 1 centimeter. For example, if you have a measurement that falls between the 1.2 cm and 1.3 cm marks, you will evaluate which of those two centimeters marks is closest to your measurement. If your object's measurement to the nearest millimeter is beyond the 1.25 cm mark (or 12.5 mm), you will round up to 1.3 cm; if it's less, you'll round down to 1.2 cm.

It's important to choose an appropriate unit of measurement based on the size of the object being measured. For an item like a paper clip, a large unit such as kilometers or meters would not be practical. Instead, you'll choose between millimeters and centimeters, which are better suited to small objects. When converting measurements from a smaller unit like millimeters to a larger unit like centimeters, you would divide the number by 10, moving the decimal point one place to the left because there are 10 millimeters in 1 centimeter.

Explain how to find the greatest number of identical arrangements that can be made with 54 roses and 42 tulips with no flowers left over

Answers

Answer:

Draw out a table of the factors.

54-1,2,3,6,9,18,27,54,

42-1, 2, 3, 6, 7, 14, 21, 42

After you write out your table then find the greatest common factor. Once you find the Greatest common factor that's going to tell you how many flowers left over.

Step-by-step explanation:


Using the greatest common factor, it is found that the greatest number of identical arrangements is 6 arrangements of 9 roses and 7 tulips.

------------------------

In total, there are 54 roses and 42 tulips.To find the greatest number of identical arrangements, first we need to find the greatest common factor of 54 and 42.This is done factoring them simultaneously, while possible.

------------------------

54 - 42|2

27 - 21|3

9 - 7

Thus: gcf(54,42) = 6.

------------------------

[tex]\frac{54}{6} = 9, \frac{42}{6} = 7[/tex]

The greatest number of identical arrangements is 6 arrangements of 9 roses and 7 tulips.

A similar problem is given at https://brainly.com/question/20691631

refer to the equation 3x-6y=18
A create a table of values for at east 4 points
(help plz)

Answers

3x-6y=18
  x - 2y = 6

if x = -4, then  -4 - 2y = 6...-2y = 10, so y = -5
if x = -2, then  -2 - 2y = 6...-2y = 8, so y = -4
if x = 0, then         -2y = 6.... y = -3
if x = 2, then     2 - 2y = 6...-2y = 4, so y = -2
if x = 4, then     4 - 2y = 6...-2y = 2, so y = -1

explain how knowing 50 x 4 = 200 helps you find 500 X 400?

Answers

If you know the answer to 50 x 4 = 200 then you can just add the other zeros

Annie earned a total of $77 for 11 hours of yard work. After doing a total of 12 hours of yard work, how much money will Annie have earned? Solve using unit rates.

Answers

the answer would be  $84. hope that helped
$77 in 11 hours
$7 per hour
$84 in 12 hours
Annie earned $84 in 12 hours of yard work.

a stem-and-leaf plot shows the shape of data but not individual values true or false

Answers

The given statement "a stem-and-leaf plot shows the shape of data but not individual values" is true.

What is a stem-and-leaf plot?

A stem-and-leaf plot is a graphical representation of a dataset that shows the distribution of data. It is useful for quickly summarizing and visualizing data, especially for small to moderate-sized datasets.

In a stem-and-leaf plot, the "stem" represents the first digit or digits of the data values, and the "leaves" represent the remaining digits. Each leaf corresponds to a single data value. For example, if the stem is "5" and the leaf is "2", it would represent a data value of 52.

While a stem-and-leaf plot provides information on the shape of the data, such as the range of values and the distribution, it does not show the individual data values directly. Instead, it groups them into bins based on the stem and leaf representation. To get the actual values, one needs to refer to the original dataset.

To learn more about the stem-and-leaf diagram click here:

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lana is using a can opener to open a can of soup every time she twists the knob of the can opener the can turns 36 degress

Answers

It takes 10 turns. There is 360 degrees in a circle, 360/36=10. 

Answer= 10 turns

Kayte wants to buy a new sled she has already save 35% of them out she needs what fraction describes this percent

Answers

In order to find what fraction describes this percentage, you first need to know that no matter what percentage you are working with, if you want to convert it into a fraction, put the 35 as the numerator and 100 as the denominator. If you still don't know what I mean, 35 at the top of the fraction and 100 at the bottom. Like this; 35/100. Then, you can simplify it by finding a common multiple between 35 and 100. For example, 5 can be divided into 35 and 100. 35 divided by 5 is 7 and 100 divided by 5 is 20. Your result is 7/20, which can further no more be simplified because there are no more common multiples between the two numbers.

Which one is greatest 4 or 4.022

Answers

4.022 is greater than 4 by 0.022

hope this helps

Which of the following rational numbers is equal to 3 point 1 with bar over 1?

1) 22 over 9
2) 24 over 9
3) 26 over 9
4) 28 over 9

Answers

28 over 9 is equal to 3.1 with a bar over the one

Answer: Option 4 is correct.

Step-by-step explanation:

Since we have given that

[tex]\dfrac{3.\bar{1}}{1}[/tex]

so, Let x = 3.1111......... (1)

Now, multiply by 10, we get that

10x = 31.1111.............(2)

Now, subtract (2)-(1)

[tex]10x-x=31.1111...-3.1111............\\\\9x=28\\\\x=\dfrac{28}{9}[/tex]

Hence, Option 4 is correct.

Help me please!!!!!!!?

Answers

it is c.it is actually 1.548 but you round it so....
I agree that it is C... I have done my work and you do end up with 1.548 but you just round it

The sixth grade class is going to the local art museum.There are 46 students in the class.The total cost of the tickets for all the students is $379.50.What is the cost of one students ticket?

Answers

1st you divide:
 379.50/46=
8.25
$8.25
Divide 379.50 by 46 =

Your answer should be $8.50 per student.

PLEASE HELP!
Write an algebraic expression for 9 groups of w

Answers

The algebraic expression is 9w.

Hope this helps!

It is 9w hope this helps


If Christine ran a mile in 5 minutes 52 seconds .how many seconds did it take her to run a mile?

Answers

352 seconds because 5×60 is 300 and 300+52 = 352

How can absolute value help you to understand the size of a quantity? Give an example.

Answers

The absolute value can tell you the distance from zero on the number line. 
For example, [tex]|-8| = 8 [/tex] that mean the distance from zero (absolute value) is 8.

Solve the equation for the variable (solve for the second c)
10c - f= -13 + cd

Answers

by making c the subject, I arrived to that answer in the above pic

can some one please help me I am stuck on my math homework

Answers

there ya go it was very hard but i hope this is helpful

Can someone please rotate this 180 degrees??

Answers

Orange is the shape rotated 180 degrees

Answer:

point x and c would switch places and then point n would be at (-3,2) and point z would be al (1,5)

Fill in blank to show steps in solving the inequality.
-2x + 12 < -4
-2x + 12 - __________ < -4 - _________
-2x < ________________
-2x divided by __________> _______ divided by _______
x > ______________

Answers

-2x +12 < -4
-2x +12 -12 < -4 - 12
-2x < -16
-2x divided by -2 > -16 divided by -2
x > 8

Answer:

x > 8

Step-by-step explanation:

To isolate the variable, you must follow the order of the operations in reverse: that is, from the sum the opposite operation is the subtraction and from the multiplication the inverse is the division. As first you must undo the sum or subtraction before the multiplication, on both sides of the inequality you subtract 12, with the objective, as it was said, of isolating the variable x using the inverse operations.

-2*x+12 -12 < -4 - 12

Resolving you get:

-2*x < -16

Now, to isolate the variable x, you reapply the inverse operation, in this case the opposite operation of the multiplication.  And ou should keep in mind that if the two members of an inequality are multiplied or divided by the same negative number, the resulting inequality changes direction. For this reason you get:

-2x divided by (-2) > (-16) divided by (-2)

Resolving these accounts, you finally get:

x > 8

Question 5 / 5 The homegrown Turkey farm is preparing their Thanksgiving shipment. In one container they can put 8 big turkey boxes or 10 small turkey boxes. They send 96 turkey boxes using more big boxes than small boxes. How many containers did they use?

Answers

Question 5 / 5 The homegrown Turkey farm is preparing their Thanksgiving shipment. In one container they can put 8 big turkey boxes or 10 small turkey boxes. They send 96 turkey boxes using more big boxes than small boxes. How many containers did they use?
Final answer:

To find the number of containers used, set up a system of equations using the given information. Solve for the number of big and small boxes used, and then divide the total number of boxes by the number of boxes that can be put in one container to find the number of containers.

Explanation:

To find the number of containers used, we need to determine the number of big boxes and small boxes used. Let's assume the number of big boxes used is 'x', and the number of small boxes used is 'y'.

According to the given information, the total number of turkey boxes used is 96. So, we have the equation: x + y = 96.

We also know that in one container, they can put 8 big turkey boxes or 10 small turkey boxes. Using this information, we can create another equation: 8x + 10y = 96.

Solving these two equations will give us the values of 'x' and 'y', which represent the number of big and small boxes used, respectively. Then, we can find the number of containers by dividing the total number of boxes by the number of boxes that can be put in one container.


the graph F (x) and its transformation g (x)

which equation correctly models g (x)

Answers

Step-by-step explanation:

Answer is the third question

What is the slope of this line?
Enter your answer in the box.

Answers

Hello,


M=slope=2/-2

Plz mark me brainliest!

Hope this helps!
The slope is -1, because -2/2=-1

John Took a 5 1/2 mile walk to his friends house. He left at 11 AM and arrived at his friends house at 1 PM

a. What was his average speed of walking

Answers

Hi there! 11AM and 1PM are two hours apart, so John walked for 2 hours. To find his average speed of walking, we can basically divide both numbers, because speed = distance/time. To divide fractions, keep the first fraction the same, change division into multiplication, and flip the second fraction over. 5 1/2 as a mixed number is 11/2. 11/2 * 1/2 is 11/4 or 2 3/4 in simplest form. John walked 2 3/4 miles per hour.

Pls help me!


It takes 85 Paula of water to fill up a tank. If the capacity of each pail is 2.65 gallons, what is the capacity of the tank? Check for reasonableness of your answer!

Help and explain!
Help

Answers

You have to multiply 85x2.65 and it equals 225.25. This is the answer.

what is true about the solution of x^2 / 2x - 6 = 9 / 6x - 18

Answers

[tex] \text{The domain}\\2x-6\neq0\ \wedge\ 6x-18\neq0\to x\neq3\\\\\dfrac{x^2}{2x-6}=\dfrac{9}{6x-18}\\\\\dfrac{x^2}{2(x-3)}=\dfrac{9}{6(x-3)}\ \ \ |\cdot6\\\\\dfrac{3x^2}{x-3}=\dfrac{9}{x-3}\iff3x^2=9\ \ \ |:3\\\\x^2=3\to x=\pm\sqrt3 [/tex]

Answer:

A on edge/e2020

Step-by-step explanation:

Determine the length of the hypotenuse

Answers

21^2 + 28^2 = Hypotenuse^2

441 + 784 = 1225

sqrt (1225) = 35

hypotenuse = 35

If Dave drove one-third of the distance of his trip on the first day, and 60 miles on the second day, he figured out that he still had 1/2 of the trip to drive. What was the total length, in miles, of his trip?

Answers

process of elimination. one-third of 360 is 120. 120+60=180. Half of 360 is 180.

What percent of a circle is 2/5 of a circle? Explain

Answers

40 percent 2 divided by 5 equals .4
Final answer:

2/5 of a circle is equivalent to 40% of the circle. This is determined by multiplying 2/5 by 100%.

Explanation:

In the field of

Mathematics

, a circle is divided into an angle of 360 degrees or 100 percent. If we want to find out what percent of a circle is 2/5 of a circle, we need to perform a simple calculation.

Firstly, note that 1 whole circle (or 360 degrees) is equivalent to 100%.

When we say 2/5 of a circle, we are referring to 2/5 parts of the whole circle.

To find out what percent 2/5 of the circle is, we multiply 2/5 by 100%:

(2/5) * 100% = 40%

This means that 2/5 of a circle is 40% of the whole circle.

Learn more about Percentage of a Circle here:

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