Three students are working to find the solution set of this system of equations:y = 2x – 5
3y = 6x – 15

Use the drop-down menus to complete the statements about each of their methods.

Answers

Answer 1

Answer:

Last one is actually always and infinitely

Step-by-step explanation:

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Fran cut her sandwich into 6 pieces. If Fran ate 1/3 of her sandwich, how many pieces did he eat?

Answers

2 pieces :)

Not sure if you wanted work but here is my explanation:

there are six pieces that she cut out, and she ate 1/3 of the six pieces,

1/3=2/6

since there are 6 pieces 1/3 would then equal 2 pieces. :)

Hope this helps:)

2 because 1/3 is equal to 2/6

What is 155% as a mixed number?

Answers

1 11/20 is the answer cuz 155% is 1.55 and 1.55 is 1 11/20

the answer to your question is 1 and 55 over 100.

Cecilia bought a necklace made of silver and blue beads. The necklace had 30 silver beads and 36 blue beads. The information card on the necklace said that more than 1/3 of the beads are silver. Was the information on the card correct? Explain your answer.

Answers

The information was correct.

We can solve this by making a ratio of silver to the total number of beads.

30/66 Divide both sides by 6

5/11>4/12?

Is 5/11 bigger than 1/3? Yep. It is. Therefore the information was correct.

The information on the card was correct because their are 66 total beads and 1/3 of that is 22 and there are 30 silver beads so the statement is True

meyer has 0.64 GB of space remaining on his ipod.he wants to download a pedometer app (0.24 GB), a photo app (0.403 GB), and a math app (0.3 GB).which combinations of apps can he download? explain your thinking

Answers

He can either download both the pedometer and the math apps,
or he can download only the photo app and no more.

Pedometer + math = 0.54 GB. Fits in 0.64 GB.

Photo = 0.403 GB. Fits in 0.64 GB, but only 0.237 GB left.
Not enough for pedometer (0.24)
or math (0.3) .

The possible combination in which the app can be downloaded in ipod is $\boxed{\text{pedometer app}+\text{math app}}$ or $\boxed{\text{Photo app}}$ .

Further explanation:

The total memory space available in the ipod is $0.64\text{ GB}$ .

The memory space required for the pedometer app is $0.24\text{ GB}$ .

The memory space required for a photo app is $0.403\text{ GB}$ .

The memory space required for a math app is $0.4\text{ GB}$ .

As per teh question meyer wants to download the app as mentioned above in his ipod.

So, in order to download the app the most important point is that the total memory space available in the ipod should no be less than the memory space required for all the apps.

The objective is to determine the combination in which the different app can be stored in the ipod.

Consider three cases for the given question.

Case 1:

Consider that all the three apps are needed to be downloaded in the ipod.

If all the three apps are required to be downloaded then the total memory space required is calculated as follows:

$\boxed{0.24+0.403+0.3=0.943}$

As per the above calculation it is concluded that the all the three apps requires a memory space of $0.943\text{ GB}$ .

Since, the total free memory space available in the ipod is $0.64\text{ GB}$ and $0.943>0.64$ so, this case is not possible.

Therefore, it is not possible to download all the three apps in ipod.

Case 2:

Consider that only pedometer app and a photo app is required to be downloaded.

The memory space required by pedometer app and a photo app is calculated as follows:

$\boxed{0.24+0.403=0.643}$

As per the above calculation it is concluded that the photo app and pedometer app requires a memory space of $0.643\text{ GB}$ .

Since, the total free memory space available in the ipod is $0.64\text{ GB}$ and $0.643>0.64$ so, this case is not possible.

Therefore, it is not possible to download pedometer app and a photo app in ipod.

Case 3:

Consider that only pedometer app and a math app is required to be downloaded.

The memory space required by pedometer app and a math app is calculated as follows:

$\boxed{0.24+0.3=0.54}$

As per the above calculation it is concluded that a math app and a pedometer app requires a memory space of $0.54\text{ GB}$ .

Since, the total free memory space available in the ipod is $0.64\text{ GB}$ and $0.64>0.54$ so, this case is possible.

Therefore, it is possible to download pedometer app and a math app in ipod.

Case 4:

Consider that only a photo app and a math app is required to be downloaded.

The memory space required by math app and a photo app is calculated as follows:

$\boxed{0.3+0.403=0.703}$

As per the above calculation it is concluded that the photo app and pedometer app requires a memory space of $0.703\text{ GB}$ .

Since, the total free memory space available in the ipod is $0.64\text{ GB}$ and $0.703>0.64$ so, this case is not possible.

Therefore, it is not possible to download math app and a photo app in ipod.

This implies that either meyer can download pedometer app and math app or only a photo app.

Thus, the possible combination in which the app can be downloaded in ipod is $\boxed{\text{pedometer app}+\text{math app}}$ or $\boxed{\text{Photo app}}$ .

Learn more

1. Problem on the slope-intercept form brainly.com/question/1473992.

2. Problem on the center and radius of an equation brainly.com/question/9510228

3. Problem on general form of the equation of the circle brainly.com/question/1506955

Answer details:

Grade: Junior school

Subject: Mathematics

Chapter: Simplification

Keywords: Combination, simplification, meyer, memory, download, app, photo app, pedometer app, GB, 0.64, 0.24, math app, ipod.

2(2x-10)-8=-2(14-3x)

Answers

⇒ Solution

1) Simplify
4x−20−8=−28+6x

2) Simplify 4x−20−8 to 4x−28
4x−28=−28+6x

3) Group all terms
4x−28=6x−28

4) Cancel −28 from eachside
4x=6x

5) Move all of the terms to one side
4x−6x=0

6) Simplify equation 4x−6x to −2x
−2x=0

7) Divide each side by −2
x=0

Rewrite -5(x+3) without parentheses

Answers

Answer:

-5x-15

Step-by-step explanation:

its simple you have to multiply it to both

Answer:

- 5x - 15

Step-by-step explanation:

Given

- 5(x + 3)

Each term in the parenthesis is multiplied by the - 5, that is

= (- 5 × x) + (- 5× 3)

= - 5x + (- 15)

= - 5x - 15

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Three students are working to find the solution set of this system of equations:y = 2x – 5 3y = 6x – 15 Use the drop-down menus to complete the statements about each of their methods.

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Three students are working to find the solution set of this system of equations:y = 2x – 5
3y = 6x – 15

Use the drop-down menus to complete the statements about each of their methods.