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Sindrei [870]
2 years ago
9

Help me please!!!!!!?!!!

Mathematics
1 answer:
Tatiana [17]2 years ago
6 0
25 because 54-29=25

5 because 30/6=5

10 because 45-35=10

21 because 7x3=21
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Solve for 1/3(x+2)=2/3x+4
Norma-Jean [14]

Answer:

Step-by-step explanation:

Let's solve your equation step-by-step.

1

3

(x+2)=

2

3

x+4

Answer:

x=−10

8 0
4 years ago
How to solve for g 10g^2+33g=9-2g^2
11Alexandr11 [23.1K]
Given:  <span>10g^2+33g=9-2g^2

Group the q^2 terms first, then the q terms, and finally the constants:

12g^2 + 33q - 9 = 0.  Make sure you agree with this, or otherwise fix it.

Tools for solving quadratic equations include the following and more:

graphing
quadratic formula
completing the square

I've graphed this simplified quadratic on my TI-83 calculator and see that -3 seems to be a root.  Let's check it!
      ________________
-3  /   12    33    -9
                 -36    9
     ---------------------
        12      -3      0           Since the remainder is zero, -3 is a root and (x+3) is                                          a factor.  The other factors are 3 and (4x -1)


Then 3(4g-1)(g+3) = 0, with the result that g = 1/4 and g = -3.

Please check these roots by subst. into the original equation.</span>
3 0
4 years ago
What is a parabola graph
timama [110]

Answer:

y=x^2

Step-by-step explanation:

4 0
4 years ago
Solve for x and y 1/(x+yi) + 2/(x-yi) = 1+i
aliina [53]

Answer:

Step-by-step explanation:

x+i*y≠0 ==> x≠0 and y≠0

x-i*y≠0 ==> x≠0 and y≠0

We must exclude (0,0) as solution.

\dfrac{1}{x+i*y} +\dfrac{2}{x-i*y} =1+i\\\\\dfrac{1*(x-i*y)}{(x+i*y)(x-i*y)} +\dfrac{2*(x+i*y)}{(x-i*y)(x+i*y)} =1+i\\\\\\\dfrac{x-i*y+2x+2i*y}{x^2+y^2} =1+i\\\\3x+i*y=(1+i)(x^2+y^2)\\\\3x+i*y=(x^2+y^2)+i(x^2+y^2+i*(x^2+y^2)\\\\\left\{\begin{array}{ccc}3x&=&x^2+y^2\\y&=&x^2+y^2\\\end {array}\right.\\\\\\\left\{\begin{array}{ccc}y&=&3x\\3x&=&x^2+9x^2\\\end {array}\right.\\\\\\\left\{\begin{array}{ccc}y&=&3x\\x(10x-3)&=&0\\\end {array}\right.\\\\

\left\{\begin{array}{ccc}x&=&0\\y&=&0\\\end {array}\right.\ (to\ exclude) \ or \ \left\{\begin{array}{ccc}x&=&\dfrac{3}{10}\\\\y&=&\dfrac{9}{10}\\\end {array}\right.\\\\Sol=\{(\dfrac{3}{10},\dfrac{9}{10})\}\\

4 0
3 years ago
Select the polygon with the greatest number of sides.
Paha777 [63]

Hello there! The answer is A. Octagon.

A. Octagon- An octagon is an 8-sided shape.

B. Pentagon - A pentagon is a 5-sided shape.

C. Hexagon - A hexagon is a 6-sided shape.

D.Triangle - A triangle is a 3-sided shape.

This means that A is the correct choice since 8 is greater than 5, 6, or 3. I hope this helped answer your question!

8 0
4 years ago
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