What is 7a - 3 = 3 + 6a

Answers

Answer 1

Answer: Firstly, you add 3 to both sides (as you've got to eliminate the -3), and this gives you;
7a=6+6a.
Then in order to get a alone, you need to subtract 6a from the right hand side (in order to counter balance) and this gives you;
1a=6
Therefore, a is equal to 6
Hope this helps :)

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I need help with number 2!!

Answers

Answer:

B=8

Step-by-step explanation:

15² + b² = 17²

225 + b² = 289 (Subtract 289 - 225)

b² = 64 (Find the square root of 64)

√64 = 8

Simone painted a line around the entire perimeter of her rectangular tennis court. The length of the court was 78 feet and the width was 27 feet. How long was the line Simone painted? A. 54 feet B. 105 feet C. 183 feet D. 210 feet

Answers

It would be D. 210 feet.

P = 2L + 2W
P = 2(78) + 2(27)
P = 156 + 54
P = 210 ft

I need help with #11. I've just started Trig today. The back of the book says the answer is 0.75 if that helps.

Answers

Hi,
BC²=CA²-BA²=13-9=4=2² (Pythagore)

CB/ED=AB/AD (Thalès)
2/2.5=3/AD==>AD=3*2.5/2=7.5/2
DB=DA-AB=7.5/2-3=0.75
I don't know how you call this 2 theorems (sorry)

What is 48399 rounded to the nearest 10

Answers

round up and in this case it would be 48,400

The answer is 48,400.

40% of what number is 82

Answers

It is 32.8 I just did %in my class today

Question three is that what you have the answer please help me as soon as possible

Answers

☻ ~~~~~~~~~~~~ Hello! ~~~~~~~~~~~~~~~ ☻

➴ The correct answer is D. -9, -2, 0, 4, 7

You can look at the number line starting from the negative side and work your way up to order from least to greatest. You also know that the higher number that negative numbers are, the lesser value it has. So the highest numbered negative number, is always the least.

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