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katen-ka-za [31]
2 years ago
11

Simplify the expression 8 + (7 + x)

Mathematics
1 answer:
baherus [9]2 years ago
6 0

Answer:

15 + x

Step-by-step explanation:

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19. At a restaurant. Levy's total bill is $46.
ale4655 [162]
Answer:

D

Explanation:

46(0.15)=6.9
6 0
2 years ago
Please help and explain
Murrr4er [49]

Answer: Option A

x=\frac{3+i}{2} or x=\frac{3-i}{2}

Step-by-step explanation:

Use the quadratic formula to find the zeros of the function.

For a function of the form

ax ^ 2 + bx + c = 0

The quadratic formula is:

x=\frac{-b\±\sqrt{b^2-4ac}}{2a}

In this case the function is:

2x^2-6x+5=0

So

a=2\\b=-6\\c=5

Then using the quadratic formula we have that:

x=\frac{-(-6)\±\sqrt{(-6)^2-4(2)(5)}}{2(2)}

x=\frac{6\±\sqrt{36-40}}{4}

x=\frac{6\±\sqrt{-4}}{4}

Remember that \sqrt{-1}=i

x=\frac{6\±\sqrt{4}*\sqrt{-1}}{4}

x=\frac{6\±\sqrt{4}i}{4}

x=\frac{6\±2i}{4}

x=\frac{3\±i}{2}

x=\frac{3+i}{2} or x=\frac{3-i}{2}

3 0
3 years ago
i am stuck on a question and i need help solving it so, this is my question what is 9n-12=3n if someone could help me i would ap
Mamont248 [21]

Answer:

The answer is n=1

Step-by-step explanation:

The steps are in the picture. Hope this helps :)

5 0
2 years ago
Read 2 more answers
What is the mode of the following numbers? 6,4,1,9,3,8,3,5,10
siniylev [52]

Answer:

Step-by-step explanation:

Mode is the number that appears most often in a set, so for this one the mode would be 3 since it appears the most often

7 0
3 years ago
This is math can someone help me
Pani-rosa [81]
272 fluid ounces of lake water
5 0
2 years ago
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