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Stolb23 [73]
4 years ago
14

Solve this problem: 3(6 - 8)² + 8÷2 A-8 B-16 C-28 Will mark Brainliest!!

Mathematics
2 answers:
marishachu [46]4 years ago
5 0

Answer: 16

Step-by-step explanation: When you have a set of parentheses in an order of operations problem, you must simplify what's inside that set of parentheses first before you do anything else.

So our first step here is to subtract 6 - 8 which gives us -2.

So in our next step we have 3 (-2)² + 8 ÷ 2.

Now remember to do exponents before you multiply.

So (-2)² is just -2 × -2 or 4.

So in our next step we have 3 x 4 + 8 ÷ 2.

Now, we multiply so we have 3 x 4 which is 12.

So we have 12 + 8 ÷ 2.

Now we can divide.

8 ÷ 2 is 4 so we have 12 + 4 or 16.

So the answer to this problem is 16.

sattari [20]4 years ago
3 0

Answer: 16

Step-by-step explanation:

8 to the second power is 64 cause 8x8 equal 64 (/ is divided)

8x8= 64 - 6 = 58 + 4 = 62

8/ 2 = 4

The answer is 26 cause I did this before and it was a quiz for me and I got it right but I don’t remember how I solve it

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soldier1979 [14.2K]

\frac{9}{11}  -  \frac{2}{14}  =  \frac{9}{11}  -  \frac{1}{7}  =   \frac{63 - 11}{77}  =  \\  =  \frac{52}{77}

7 0
3 years ago
A square patio has an area of 50 square feet. To the nearest tenth of a foot, what is the length of the patio? A. 7.1 ft B. 12.5
Ivanshal [37]
The answer is B because 50 divided by 4 is 12.5
5 0
3 years ago
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Okay this my last one can y'all help
zlopas [31]

a. The solution is (0,2)

b. The first expression will be easier to substitute as in the first expression the variable y is already isolated on one side of the equation so we can easily put 5x+2 in place of y in equation 2.

Step-by-step explanation:

Given equations are:

y = 5x+2\ \ \ \ Eqn1\\12.5x+2.5y = 5\ \ \ \ Eqn2

a. Solution

Putting y = 5x+2 in equation 2

12.5x+2.5(5x+2) = 5\\12.5x+12.5x+5 = 5\\25x +5 = 5\\25x = 5-5\\25x = 0\\x = 0

Putting x = 0 in equation 1

y = 5(0)+2\\= 0+2 = 2

Hence,

The solution is (0,2)

b: Reason:

The first expression will be easier to substitute as in the first expression the variable y is already isolated on one side of the equation so we can easily put 5x+2 in place of y in equation 2.

Keywords: Linear equation, substitution

Learn more about linear equations at:

  • brainly.com/question/4786449
  • brainly.com/question/4793866

#LearnwithBrainly

7 0
4 years ago
Suntract decimals 11.63_6.7
kozerog [31]

Answer:

11.63 - 6.7 = 4.93

Hope this helps!

4 0
3 years ago
What is 3x+ b= 2x+ 5 for x
nexus9112 [7]
Plz send pic for me to do this
8 0
3 years ago
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