The surface area of a game cube is 384 square millimeters. how long is each edge of the cube?

Answers

Answer 1

Answer: $a\ \rightarrow\ the\ long\ of\ each\ edge\ of\ the\ cube\nthe\ surface\ area\ of\ a\ game\ cube=384\ mm^2\n\n6a^2=384\ /:6\n\na^2=64\ \ \ \Rightarrow\ \ \ a=8\n\nAns.\ the\ long\ of\ each\ edge\ of\ the\ cube\ is\ 8\ mm.$

Answer 2

Answer: $6a^2=384\n a^2=64\n a=8 \ mm$

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How do I solve this number pattern 17,_,25,29,_

Answers

The relation between 25 and 29 is 4. Therefore, the next step down from 25 is 21. This also works with 17. Therefore, the second missing number is 33.

I hope I helped you with your solution! If you could give me brainliest, I would be very thankful!

A chemist needs to mix an 20% acid solution with a 50% acid solution to obtain 15 liters of a 34% acid solution. How many liters of each of the acid solutions must be used?

Answers

This question is based on the system of equation. Therefore, the 8 litres of the 20% and 7 liters of the 50% solution.

Given:

A chemist needs to mix an 20% acid solution with a 50% acid solution to obtain 15 liters of a 34% acid solution.

We need to determined the numbers of liters of each of the acid solutions must be used.

According to the question,

Let the number of liters be x for 20% and y for the 50% solution.

Then,

⇒ 0.2x + 0.5y = 15 $*$ 0.34

⇒ 0.2x + 0.5y = 5.1

Also we have:

Multiply the first equation by -2:

⇒ x + y = 15

Adding these last 2 equations:

⇒ -0.4x - y = -10.2

⇒ 0.6x = 4.8

⇒ x = 4.8 / 0.6

⇒ x = 8 and y = 15 - 8 = 7 .

Therefore, the 8 liters of the 20% and 7 liters of the 50% solution acid solutions must be used.

For more details, prefer this link:

brainly.com/question/25147706

Answer:

8 litres of the 20% and

7 litres of the 50% solution.

Step-by-step explanation:

Let the number of litres be x for 20% and y for the 50% solution. Then

0.2x + 0.5y = 15*0.34

0.2x + 0.5y = 5.1 Also we have:

x + y = 15 Multiply the first equation by -2:

-0.4x - y = -10.2 Adding these last 2 equations:

0.6x = 4.8

x = 4.8 / 0.6

x = 8.

and y = 15 - 8 = 7 .

360000 as standard form

Answers

Standard form is where you elongate the number so it would actually be
300000+60000

How would i graph y=2x+5

Answers

To be able to graph this you need to start on -2 on the y-axis then move up 5 then 1 to the right

The dot should be on (1,3)

Anastasia is grocery shopping with her father and wonders how much shopping is left to do. "We already have 60 percent of the items on our list," her father says. Anastasia sees 12 items in the cart.

Answers

Hi

Left to do 40% of the shopping

12 items ⇒ 60% of the items
x items ⇒ 40% of the items

60x = 12(40)
60x = 480
x = 480/60
x = 48/6
x = 8 items

Answer:

Left 8 items of the list (40% of the shopping)

Items: 12+8 = 20 items on her list

Answer:

Step-by-step explanation:

its 20 trust me

In need to know the answer of 12z+18 in distributive property

Answers

Answer:

$6(2z + 3)$

Step-by-step explanation:

Step 1: Find the GCF

12 → 1, 2, 3, 4, 6, 12

18 → 1, 2, 3, 6, 9, 18

The GCF is 6

Step 2: Pull out the GCF

$12z + 18$

$6(2z + 3)$

Answer: $6(2z + 3)$

Answer: 6(2z + 3)

Step-by-step explanation:

So, with the distributive factor you want to find the greatest common factor. In this case, the greatest common factor is 6 because it can go into both 12 and 18. So now you need to simplify the numbers. You would put the 6 on the outside because it is the GFC.

Now, you need to divide both numbers by 6 and your equation should look like this:

6(2z +3)

Hope this helps! :)

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