2 years ago

“gallantry” most clearly means [RL.8.4]

Mathematics

2 answers:

wolverine [178]2 years ago

5 0

B is the correct answer 'friendship'

34kurt2 years ago

4 0

“gallantry” most clearly means friendship.<span> </span>

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How many solutions does the system of equations have?

Anestetic [448]

Answer:

no solution

Step-by-step explanation:

a solution would mean a point where the two lines cross. theres no such thing for parallel lines.

but if the lines are the same, they are parallel and cross everywhere, that would give infinite solutions.

if they would cross once, it would mean one solution

6 0

2 years ago

Read 2 more answers

Sketch the curve with the given vector equation. Indicate with an arrow the direction in which t increases. r(t) = 4 cos(t)i + 4

slega [8]

Answer:

The equation to this question is " $x^2+y^2=16$ "

Step-by-step explanation:

Given value:

$\to r(t) = 4 \cos (t)i + 4 sin(t)j + k\\where \\\\\to x(t)= 4 \cos t\\\to y(t) = 4 \sin t\\\to z(t)=1\\$

$\to x^2+y^2= 16 \cos^2 t +16 \sin^2 t\\\\\to x^2+y^2= 16 (\cos^2 t +\sin^2 t)\\\\\therefore (\cos^2 t +\sin^2 t =1)\\\\\to x^2+y^2= 16 (1)\\\\\to x^2+y^2= 16\\\\\to z=1$

So, the curve $r(t) = 4 \cos (t)i + 4 sin(t)j + k$ is basically a circle, which is defined in the attachment file.

7 0

2 years ago

What is 5x-9+2-4=9.4

Dominik [7]

Answer:

x=5.1

Step-by-step explanation:

5x-9+2-4=9.4

5x=9.4+4-2+9

5x=20.4

x=5.1

4 0

2 years ago

Write each vector described below in component form and find its magnitude. Draw an arrow originating from (0,0) to

ElenaW [278]

Answer:

a = 3xi - 4yj b = -6xj c = -2xi + 2yj d = 5xi + 7yj

a ; b ; c ; d vectors

i and j unit vectors

Step-by-step explanation:

See attached file

8 0

2 years ago

Identify an equation in point-slope form for the line perpendicular to

Pepsi [2]

Answer:y=-1/4x+3

Step by step explanation: i cant explain it

7 0

2 years ago