MATHEMATICS HIGH SCHOOL

Solve for x � x: 11x+10=6x-30

Answers

Answer 1

Answer:

x= −8

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

Answer 2

Answer: X= 8 the explanation is in the picture of how to solve

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Find all complex solutions of x^2=i

How do you factor x squared plus 3x

Answers

$x^2 + 3x = x (x+3)$

factor the x out and you have x (x+3)

Investigation Circles: Investigation 2

I need help with the worksheet

Answers

Explanation:

1. In order for the idea of "perpendicular distance" to make any sense in this context, the number of sides of the polygon must be even. Then the "diameter" is the diameter of the inscribed circle. As the number of sides increases, the polygon differs less and less from a circle, so the relationship of perimeter and "diameter" becomes closer to the relationship in a circle.

"As the number of sides in a regular polygon increases, the ratio of perimeter to diameter for that polygon approaches pi."

2. We know from the first question that ...

circumference/diameter = π

And we know that ...

diameter = 2·radius

Then the following are true:

A. circumference = π · diameter

B. circumference = (2·radius) · π

3. The expressions in order evaluate to approximately ...

4.0, 3.45, 3.31, 3.24

Of these, the last is closest to pi (3.14....). The appropriate choice is ...

D. (10·5)/15.4

4. Pi cannot be expressed as a rational number, because pi is irrational. A number of lengthy proofs have been offered to demonstrate this fact. One of them makes use of the fact that the tangent of any rational number is irrational, and the tangent of π/4 is 1. Since 1 is a rational number, π/4 cannot be, so π cannot be expressed as a rational number.

-1/2x+3=-x+7 what does x equal

Answers

Answer:

x = 8

Step-by-step explanation:

-1/2x+3=-x+7

Add x to each side

-1/2x+x+3=-x+x+7

1/2x +3 = 7

Subtract 3 from each side

1/2x +3-3 = 7-3

1/2x = 4

Multiply each side by 2

1/2x *2 = 4*2

x = 8

If two circles have the same diameter, do they have the same circumference?

Answers

Yes, if 2 circles have the diameter of 5 then there circumference will be 15.7, assuming pi is 3.14

(Other 6% ) (Wood Products 9% ) (25% Trade) (Manufacturing 19% ) (20% Services) (Gov't - Edu. 21%) (Total 949,200) How many people worked in Service jobs?A. 1,898.40
B. 18,984
C. 189,840
D. 1,898,400

Answers

Answer:

I think C is your answer.

It's just a guess.

Step-by-step explanation:

Solve: 493x = 3432x + 1. a. x = –3 b. x = 1 c. x = 3 d. no solution

Answers

On solving the mentioned equation, the correct answer for value of x will be d. no solution.

We will begin with converting the base to same numbers. As per the fact, 49 is the square of 7 and 323 is the cube of 7. So, the equation will be -

${7²}^(3x) = {7³}^((2x + 1))$