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White raven [17]
4 years ago
9

Which system of equations could be graphed to solve the equation below?

Mathematics
1 answer:
vodomira [7]4 years ago
4 0

Answer:

B

Step-by-step explanation:

<u><em>I think this is your full question and hope it is correct. </em></u>

<em>Which system of equations could be graphed to solve the equation below? </em>

<em>log(2x+1)=3x-2 </em>

<em>A. y1=3x, y2=2x </em>

<em>B. y1=log(2x+1), y2=3x-2 </em>

<em>C. y1=log2x+1, y2=3x-2 </em>

<em>D. y1=log(2x+1+2), y2=3x</em>

My answer:

We know that: log(2x+1)=3x-2  and they are a equation of log and linear so we need to make system of equation.

The left side is: y_{1} => y_{1} = log( 2x+1)

The right side is : y_{2}  = 3x -2

The system of equations are:

\left \{ {{y_{1} =log(3x+1)} \atop {y_{2} =3x -2}} \right.

Now we have two new function with x and y.

<em />

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Image point B'(4, -8) was transformed using the translation (x-2, y + 3). What were the coordinates of B?
DaniilM [7]

Answer:

B(6 , -11)

Step-by-step explanation:

(x-2 , y+3)  = (4 , -8)

Compare the x & y co ordinates

x - 2 = 4   ; y + 3 = -8

x = 4 +2  ; y = -8 - 3

x = 6      ; y = -11

B(6 , -11)

8 0
3 years ago
The sum of the two angles of a triangle is 80 degree and their difference is 20 degree. find all the angles of the triangle.
Norma-Jean [14]

Sum of 2 angles = 80°

Difference = 20°

If we take away 20° from the sum, both angles are equal

⇒80 - 20 = 60°


Divide by 2 to find the smaller angle:

60 ÷ 2 = 30


Add 20° to find the bigger angle:

20 + 30 = 50°


<u>One of the angle is 30° and the other angle is 50°</u>


Given that the sum of the two angles is 80°

⇒ Third angle = 180 - 80 = 100°


Answer: The 3 angles are 30° , 50° and 100°

3 0
4 years ago
Read 2 more answers
Please please thank you
nika2105 [10]

Answer:

option 2

452.16

6 0
3 years ago
Read 2 more answers
calculate the means and the standard deviation of the following set of data 4.578g, 4.581g, 4.572g, 4.573g, 4.601g, 4.577g. stat
AfilCa [17]

Answer:

68% Confidence interval  = [4.5752, 4.5848]

95% Confidence interval  = [4.5688, 4.5918]

Step-by-step explanation:

Sample mean (X) = 4.580

Sample Standard Deviation (S) = 0.01065

Sample size (n) = 6

T_{(5)} for alpha/2 0.84 = 1.1037

T_{(5)} for alpha/2 0.975 = 2.5706

68% Confidence interval = [x-T_{(5)}\frac{S}{\sqrt{n}}, x+T_{(5)]\frac{S}{\sqrt{n}}] = [4.5752, 4.5848]

95% Confidence interval = [x-T_{(5)}\frac{S}{\sqrt{n}}, x+T_{(5)}\frac{S}{\sqrt{n}}] = [4.5688, 4.5918]

7 0
3 years ago
The equation 2x^2+12x=4 is written in the form of 2(x-p)^2+q=0. what is the value of q?
hram777 [196]

1) Factor out the coefficient 2:  2x^2+12x=4 => 2(x^2 + 6x) = 4

2) Complete the square of x^2 + 6x:  x^2 + 6x + 9 - 9.  Then:

                                                    2(x^2 + 6x + 9 - 9) = 4

3) Rewrite the square as the square of a binomial:

                                                    2( [x+3]^2 - 9) = 4, or

                                                     2([x+3]^2)       = 22, or

                                                     2( [x+3]^2 ) - 22 = 0

The value of q is -22.

7 0
3 years ago
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