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jasenka [17]
3 years ago
6

Question Help

Mathematics
1 answer:
stepladder [879]3 years ago
5 0

Answer:

52kg

Step-by-step explanation:

use cross multiplication method when encounter problems like these

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PLEASE HELP BRAINLY - which option is correct?
LuckyWell [14K]

Answer:

y > \frac{2x}{3} + 1

Step-by-step explanation:

Given:

The graph in the attachment where the coordinates are (3,3) and (-3,-1)

Required:

Which inequality represent the graph

The first step is to determine the slope of the graph

m = \frac{y_2 - y_1}{x_2 - x_1}

Where m represents the slope, (x_1, y_1) = (3,3) and (x_2, y_2) = (-3,-1)

m = \frac{-1 - 3}{-3 - 3}

m = \frac{-4}{-6}

Simplify to lowest term

m = \frac{2}{3}

Next is to determine the equation of the line using the slope formula

m = \frac{y - y_1}{x - x_1}, (x_1, y_1) = (3,3)  and m = \frac{2}{3}

\frac{2}{3} = \frac{y - 3}{x - 3}

Cross multiply

2 * (x - 3) = 3 * (y - 3)

Open both brackets

2 x - 6 = 3y -9

Collect like terms

2 x - 6 +9= 3y

2 x+3= 3y

Divide through by 3

\frac{2x}{3} + \frac{3}{3} = \frac{3y}{3}

\frac{2x}{3} + 1 = y

Reorder

y = \frac{2x}{3} + 1

Next is to determine the inequality sign

  • The dotted lines on the graph shows that the inequality sign is either > or <
  • Since the shaded region is the upper part of the graph, then the > inequality sign will be considered,

The inequality becomes

y > \frac{2x}{3} + 1

7 0
3 years ago
The question is in the PNG
Nata [24]

Answer:

I believe it's a reflection. I'm doing these in Geometry class right now too.

Step-by-step explanation:

The squares points are all opposite/flipped.

8 0
3 years ago
What is the y-intercept of the line given by the equation below <br> Y=4x-6
Irina18 [472]

Answer:

the y-intecept of the line is (0, -6)

Step-by-step explanation:

Given the linear equation in slope-intercept form: y = mx + b

where:

<em>m</em> = slope  = 4

<em>b</em> = y-intercept = -6

The y-intercept is the value of <em>y</em> when <em>x</em> = 0.

Plug x = 0 into the equation to solve for the y-intercept:

y = 4x - 6

y = 4(0) - 6

y = 0 - 6

y = -6

Therefore, the y-intecept of the line is (0, -6)

4 0
3 years ago
Read 2 more answers
I need help ASAP with all. I CAN GIVE BRAINLIST.
Lady bird [3.3K]

Answer:

A) the unknown is 5

B) the unknown is also 5

C) unknown is 23

D) unknown is 19

Step-by-step explanation:

Hope this is right and helps!

5 0
3 years ago
Read 2 more answers
Which graph shows the solution set for 4x+3&gt;-9
Neko [114]

4x+3>-9\qquad\text{subtract 3 from both sides}\\\\4x>-12\qquad\text{divide both sides by 4}\\\\\boxed{x>-3}

8 0
3 years ago
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