How old am i if 200 reduced by 2 times my age is 16

Answers

Answer 1

Answer: $x-\ you're\ age\n\n200-2x=16\ \ \ | subtract\ 200\n\n-2x=-184\ \ \ | divide\ by\ -2\n\nx=92\n\nYou\ are\ 92\ years\ old.$

Answer 2

Answer:

Final answer:

To determine your age, use the equation 200 - 2x = 16 to isolate the variable x and solve for its value. After performing these operations, we find that x = 92. Therefore, you are 92 years old.

Explanation:

To find out how old you are, we can set up an equation. Let's assume your age is x. Then, 200 reduced by 2 times your age can be written as 200 - 2x. According to the question, this expression is equal to 16. So, we can write the equation as 200 - 2x = 16. To solve this equation, we need to isolate the variable x. We can do this by subtracting 200 from both sides of the equation and then dividing by -2. After performing these operations, we find that x = 92. Therefore, you are 92 years old.

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If the complex number x = 3 + bi and |x|^2 = 13, which is a possible value of b? A. 2
B. 3
C. 9
D. 10

20 points to the brainliest user!!!!

Answers

If x=3+bi, then

$|x|=√(3^2+b^2).$

You know that $|x|^2=13,$ then

$\left(√(3^2+b^2)\right)^2=13,\n \n 9+b^2=13,\n \nb^2=4,\n \nb=\pm 2.$

Two possible complex numbers satisfy these conditions:

$x_1=3+2i, \ x_2=3-2i.$

As you can see the possible value of b is 2.

Answer: correct choice is A.

Turner middle school has 110 buys. Fifty-six percent of the students are girls. How many students go to this school? Please help this is due tomorrow!!! And just tell me how to do it not the answer.

Answers

Find the percentage of boys:
100 - 56 = 44
Boys = 44%

110 = 44%

110 is 44% of what number?
This number will be the total number of students.

To calculate it further, divide 110 by 0.44.

Which method is the most efficient method to use to solve x^2+4x+3=0

Answers

Answer:

Factoring

Step-by-step explanation:

To solve the equation $x ^ 2 + 4x + 3 = 0$ , you must apply the factoring method.

You must find two real numbers b and c such that:

$b + c = 4$

and

$b(c) = 3$

Then the expression:

$x ^ 2 + 4x + 3 = 0 = (x + b)(x + c)$

You can prove that:

$b = 3\nc = 1$

$x ^ 2 + 4x + 3 = 0 = (x + 3)(x + 1)$

$(x + 3)(x + 1) = 0$

$x +3 = 0$ or $x + 1 = 0$

$x = -3$ or $x = -1$

X will be -1 and -3!

What is 9.33 in fraction form

Answers

Answer:
= 933/100

= 933/100

= 9 33/100
Work:
Write the decimal number as a fraction
(over 1)
9.33 = 9.33 / 1

Multiplying by 1 to eliminate 2 decimal places
we multiply top and bottom by 2 10's

Numerator (N)
N = 9.33 × 10 × 10 = 933
Denominator (D)
D = 1 × 10 × 10 = 100

N / D = 933 / 100

Simplifying our fraction

= 933/100

= 933/100

= 9 33/100

Please help thank you!! will give brainlist!

Answers

Answer:

the third one

Step-by-step explanation:

y+8= 4(x-3)

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Ms. White has 15 students in her first grade class. Troy is the line leader for the week, and Mackenzie is last because she was the line leader last week. In how many different ways can Ms. Whites class line up for lunch?

Answers

The first place and 15th place are already decided, so we have to find the number of
different ways that the other 13 students can line up, in the places from #2 to #14.

2nd place can be any one of 13 people. For each of those . . .
3rd place can be any one of 12 people. For each of those . . .
4th place can be any one of 11 people. For each of those . . .
.
.
.
13th place can be any one of 2 people. For each of those . . .
14th place has to be the one student who is left.

Total number of ways that 13 students can line up in places #2 through #14 is

(13 x 12 x 11 x 10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1)

That number is called "thirteen factorial". The number is 6,227,020,800 .

When you write it in math, you write it like this: 13!

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