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Ilia_Sergeevich [38]
3 years ago
5

Help please, I don’t know how to do this. Ill give brainliest!

Mathematics
2 answers:
oee [108]3 years ago
7 0

Answer:

x=3

Step-by-step explanation:

Put this in an equation 3x+2=11

solving that will make this

3x=9

x=3

Hope That Helps!

Elodia [21]3 years ago
5 0

Answer:

answer c

Step-by-step explanation:12 going right 13 going left

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A car dealership paid $12,800 for a car. They mark up the price by 20%
ch4aika [34]

Answer:

$15,360

Step-by-step explanation:

To find the retail price, multiply 12,800 by 1.2

12,800(1.2)

= 15,360

So, the retail price is $15,360

6 0
3 years ago
Read 2 more answers
Thomas drew a line of best fit for the scatter plot as shown. Enter an equation for the line of best fit in slope-intercept form
juin [17]

Answer:

Equation of line best fits the scatter plot is y = -\frac{30}{7} x + 108

Step-by-step explanation:

Let the equation of line be y = mx + c

where m = slope of line and c is the intercept on y -axis

from the graph intercept on y-axis is 108

and the slope of line is given by m = \frac{y_2 - y_1}{x_2 - x_1} where (x_2,y_2) and (x_1,y_1) is the points on line

let, points be (4,96) and (18,36)

on calculating this m = \frac{y_2 - y_1}{x_2 - x_1} = -\frac{30}{7}

Therefore equation of line best fits the scatter plot is y = -\frac{30}{7} x + 108

4 0
3 years ago
<img src="https://tex.z-dn.net/?f=%20%7Bx%7D%5E%7B2%7D%20%20%2B%2081" id="TexFormula1" title=" {x}^{2} + 81" alt=" {x}^{2} + 8
borishaifa [10]
X to the power of two+81
5 0
2 years ago
Sasha performs an experiment. She chooses one marble from each of three sacks. The first sack has black (B) and white (W) marble
Paladinen [302]

Answer:

Option D is correct

Step-by-step explanation:

From the question, we have:

Sack\ 1: B, W

Sack\ 2: G, Y

Sack\ 3: S, R

Required

The tree diagram

The selection process is as follows:

Sack\ 1: B, W

Sack\ 1\ and\ Sack\ 2: B (G,Y); W(G,Y) -- i.e. we write sack 2 as a subset of 1

Sack\ 1, 2\ and\ 3: B (G(S,R),Y(S,R)); W(G(S,R),Y(S,R)) -- i.e. we write sack 3 as a subset of 2

<em>The only tree diagram that illustrates this is: option D</em>

5 0
3 years ago
Solve the system of equations using elimination. SHOW WORK!!!!!!!!!!!!!
irinina [24]

q= 6

r= 7

work--

Multiply 1st column by -2:

-30q+8r=-124

5q+8r=86

Subtract 2nd column from the first column:

-35q= -210

Solve for q:

q=6

Subtract q=6 by any of the two equations, so:

-30q+8r=-124

-30*6+8r=-124

Solve for r:

r=7

8 0
3 years ago
Read 2 more answers
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