3 years ago

11 X +11 Y equals -5

Mathematics

1 answer:

lina2011 [118]3 years ago

8 0

Answer:

Step-by-step explanation:

11x+11y=-5

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a car can complete a journey of 300 km with a speed of 60 km per hour I) how much does it take the to complete the journey and w

Verdich [7]

Step-by-step explanation:

First step:

Distance = 300km

Speed = 60km/hr

We know,

Using Speed = Distance ÷ Time

Time = Distance ÷ Speed

we have Total Time = 300÷60

Total Time = 5hr

Again,

Distance = 200km. (Time = 5hr,

Speed =? Distance = 200)

Speed = Distance÷ Time

= 200÷5

= 40km/hr

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3 years ago

The resultant vector from the cross product of two vectors is _____________ a) perpendicular to any one of the two vectors invol

prohojiy [21]

Answer:

b) perpendicular to the plane containing both vectors

Step-by-step explanation:

The cross product is perpendicular to both contributing vectors. Consequently, it is perpendicular to the plane containing them.

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3 years ago

Solve the system of equations (1 point)<br> y = 2x(squared) – 3<br> y = 3x - 1

alex41 [277]

$\huge\fcolorbox{blue}{aqua}{Answer:}$

════════════════════

$y = {2x}^{2} - 3$

${2x}^{2} - 3 = y$

${2x}^{2} = y + 3$

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

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

$x = \sqrt \frac{2y + 6}{2}$

───────────────────

$y = 3x - 1$

$3x - 1 = y$

$3x = y + 1$

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

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

═══════════════════

Explanation:

#Carry on learning

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2 years ago

What is the distance between points H(20, –4), I(-4,3)

Mashcka [7]

Answer:

3446

Step-by-step explanation:

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3 years ago

128,955 round to the nearest ten thousand

Studentka2010 [4]

Answer:

128,955 rounds to 130000 i believe

Step-by-step explanation:

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3 years ago