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laiz [17]
3 years ago
14

What are the correct steps for solving the equation 9x^2=108? A. X^2= 99

Mathematics
1 answer:
Georgia [21]3 years ago
5 0

Answer:

x=sqrt of 12

Step-by-step explanation:

First, you divide by 9 on both sides:

x^2= 108/9

Then you solve that:

x^2 = 12

Then you find the root of both sides:

sqrt (x^2)= sqrt (12)

and you get:

x= sqrt of 12 which is about 3.46... OR 2√3

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Shawn has $5 more than Rj and Riley has $10 less than Shawn. If there combined total is $414, how much does
ExtremeBDS [4]

Answer:

Rj has 138 dollars, Shawn has 143 dollars, and Riley has 133 dollars.

Step-by-step explanation:

Let's make the amount of money Rj has x, so Shawn would have 5+x dollars, and Riley would have (5+x)-10 dollars. Altogether they have 414 dollars, so you can create an equation.

x+(5+x)+((5+x)-10)=414\\3x+0=414\\3x=414\\x=138

Now that we know that x=138, we can substitute x into each equation.

Rj has 138 dollars, Shawn has 143 dollars, and Riley has 133 dollars.

5 0
2 years ago
Read 2 more answers
Show that x = -2 is a solution of 3x² + 13x + 14 = 0​
Oliga [24]

Answer:

x= -2 is correct answer

Step-by-step explanation:

3(-2×-2)+13(-2)+14=0

3(4)+13(-2)+14=0

12+(-26)+14=0

12-26+14=0

12+14-26=0

26-26=0

0=0

3 0
3 years ago
Plz help. 3y + 6 = -2x
Galina-37 [17]
Answer: 2x+3y = -6

Good luck !
7 0
3 years ago
Read 2 more answers
How many triangles can be formed
Nastasia [14]

Answer:

B. One

Step-by-step explanation:

Since the two angles are already given, the value of the third angle is already fixed. The third angle can be found by the sum of both angles subtracted from 180. Since 2 angles and lengths are already given, there can only be 1 triangle.

Hope this helps!

If not, I am sorry.

6 0
1 year ago
“on the following checking account record, enter the figures and add or subtract them to keep the running total correct”
oksano4ka [1.4K]

The running total is  $95.27.

There are two types of records, Active and Inactive. There are also two major classifications, Vital and Important.

<h3>Why is record keeping important?</h3>
  • In order to create reliable financial statements, you need good records. These consist of balance sheets and income (profit and loss) statements. These statements might assist you in managing your business and dealing with your bank or creditors.

He opened the account with $299.88. He subsequently wrote many cheques, from which you deduct the sum of 299,88.

He deposited a check, thus 299.88-90.48= 209.40, 209.40 - 65.00= 144.40, and then he added $381.33 to 144.40 to get 525.73.

then you need to deduct more since he wrote more checks.

Consequently, 525.73-54.47=471.26, and 471.26-375.99=95.27, giving him a balance of $95.27.

  • Good Records entail documents comprising recorded data that show the efficacy of the quality management system, independent of the format or feature.

To learn more about record keeping refer to:

brainly.com/question/25132652

#SPJ13

6 0
1 year ago
Read 2 more answers
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