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2 years ago

Please solve completely I really need this answered

Mathematics

1 answer:

Harrizon [31]2 years ago

3 0

Answer:

Ted is correct. Maggie made mistakes while trying to isolate x for both equations.

Step-by-step explanation:

For 3x-2=0, in order to move -2 to the left side, Maggie had to add 2 on both sides because -2+2=0. The same problem is seen for x+5=0. Maggie had to subtract 5 on both sides because +5-5=0

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The mean of this set of numbers {20, 30, 40, 50, 60, 70, 80} is??

MatroZZZ [7]

Answer:

The answer is 50

Step-by-step explanation:

You add up all the numbers and divide the numbers by how many numbers there are.

3 0

2 years ago

Read 2 more answers

In a four digit number, the digit in thousand’s place in 4 and the digit in the one’s place is twice that in the thousand’s plac

ale4655 [162]

Answer:

Step-by-step explanation:

As 4 is accumulated by thousands place

And ones place is 4 into 2/twice

And hundreds place accumulates zero

And tens place is 4 - 0=4

The no is

4048

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3 years ago

I dont know…………………..

Marysya12 [62]

Answer:

$-3\sqrt{3}$

Step-by-step explanation:

$-4\sqrt{12}+\sqrt{75}$

$-4\sqrt{4*3}+\sqrt{25*3}$

$-4\sqrt{4}\sqrt{3}+\sqrt{25}\sqrt{3}$

$-4(2)\sqrt{3}+5\sqrt{3}$

$-8\sqrt{3}+5\sqrt{3}$

$-3\sqrt{3}$

5 0

1 year ago

An electrician charges $322 for 7 hours of work. How much does the electrician charge for one hour?

In-s [12.5K]

Answer:

About 46 dollars an hour

Step-by-step explanation:

322/7 = 46

3 0

3 years ago

Show work Find the volume of the pyramid

Burka [1]

Hello there, and thank you for posting your question here on brainly.

______________________________________________________________
Answer: 128
Why?
______________________________________________________________
To find the volume of a cylinder, we have to use the formula lwh/3. The length is 8, width is 4, and height is 12. So we have to multiply all of those together, then divide by 3. (8 * 4 = 32) -> (32 * 12 = 384) -> (384/3 = 128) The volume is 128.

Hope this helped you! ♥

3 0

3 years ago