Write an equation to match each graph:

Answers

Answer 1

Answer:

Write an equation to match each graph.

Solution:

The first graph is V shaped graph centered at origin, (0,0) and the graph is not shifted or translated. So, the equation of first graph is,

y=|x|

The second graph is V shaped graph centered at (1,0) and y=|x| is horizontally shifted right by 1 unit. So, the equation of second graph is,

y=|x-1|

The third graph is also V shaped but, it is inverted V graph centered at (0,1) . As, the graph is inverted V So, the graph must have y=-|x|. But, as the center is (0,1). So, the graph is shifted up by 1 unit. So, the equation of the third graph is,

y=-|x|+1

The fourth graph is shifted V graph, whose center is (1,-1). So, y=|x| is shifted right by 1 unit and down by 1 unit. So, the equation of fourth graph is,

y=|x-1|-1

The center of fifth graph is (-1,0), So, y=|x| graph is shifted left by 1 unit. So, the equation of fifth graph is

y=|x+1|

Answer 2

Answer: the equation should be y=|x| BUT i am not 100%. there would be no shifts because the vertex is on the origin.

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Dawn used a unit fraction to describe how much of her chores she has done. which fraction could dawn have used?

Answers

A possible fraction dawn could use is 1/6.

1/X is a better answer though where x is number of chores.

What is the correct line description for x+3y=1?

Answers

If you solve for y you get y = x/3 + 1/3. That's a line with slope 1/3 with a y intercept of 1/3.

What does the expression l∙w represent

Answers

It represents Length times width

What is the value of -3mn + 4m - 3 when m = 2 and n = -4?

Answers

-3(2)(-4)+4(2)-3=24+8-3=29

Hi

-3mn + 4m -3 when m =2 and n=-4
-3(2)(-4) + 4(2) -3
-6(-4) + 8 -3
24 + 8 -3
32 - 3
= 29

I hope that's help !

Eight over three times three over one

Answers

Answer: 8

Step-by-step explanation: 8/3 x 3/1 = 8

An observation tower is 75m high. A support wire is attached to the tower 20m the top. If the support wire and the ground form an angle of 46 degrees, what is the length of the support wire, to the nearest tenth?

Answers

Answer:

76.46m

Step-by-step explanation:

Using what we know we can solve for the length of the support wire using Pythagoras.

Height of tower = 75m

Support wire 20 m from top

Angle formed (α) = 46°

Using Pythagoras :

Sinα = opposite / hypotenus

Height used = height of tower - 20 m from top

Height = opposite = (75 - 20)m = 55m

Hypotenus = Length of support wire

Sin 46 = 55m / hypotenus

Hypotenus * sin 46 = 55

0.71934 * hypotenus = 55

Hypotenus = 55/0.71934

Hypotenus = 76.458976

Hence, Lenght of support wire = 76.46 m