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4 years ago

Find two solutions of the equation 3X plus 5Y equals to 0

Mathematics

1 answer:

Natalka [10]4 years ago

4 0

Answer:

The two solutions can be

$1st \: solution \\ x \: = - 5 \\ and \: \\ y\: = \: - 3$

$2nd \: solution \\ x = 0 \\ and \\ y = 0$

Hope this helps you...

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PLEASE HELP =( it's due tomorrow. :'( 13 POINTS!

melisa1 [442]

3/7 * 49/1

3*49/7

3*7

=21

6 0

3 years ago

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1. Calculate the acceleration of riding her bicycle in a straight line that speeds up from 4 m/s to 12 m/s in 10 seconds. SOLUTI

valentina_108 [34]

<h3>✒️ACCELERATION</h3>

=================================

$\large\sf\underline{Problem:}$

Calculate the acceleration of riding her bicycle in a straight line that speeds up from 4 m/s to 12 m/s in 10 seconds.

=================================

$\large\sf\underline{Answer:}$

$\qquad \qquad \huge \rm = 0.8 \: m/s²$

=================================

$\large\sf\underline{Solution:}$

Here we have a given of,

$\tt{(12\:m/s) \:= \:V_f = (final\: velocity) }$
$\tt{(4\:m/s)\:=\:V_i = (initial \: velocity) }$
$\tt{(10\:sec) \:=\:T = (elapsed time) }$

$\bold{Formula\:||\: Acceleration = \frac{v\: - \:v_0}{t} = \frac{ΔV}{ΔT} }$

Because acceleration has a direction (riding her bicycle in a straight line), it is important to always subtract the final velocity represented as $\bold{V_f}$ from your initial velocity also represented as $\bold{V_i}$ .

Now 'Work it out' and solve for Acceleration of riding her bicycle using the given formula.

$\large\rm{A = \frac{V_f \:- \:V_i}{T} }$
$\large\rm{A = \frac{(12\:m/s\:-\:4\:m/s) }{10\:sec}}$
$\large\rm{A = \frac{ 8\:m/s}{10\:sec} }$
$\large\rm{A = 0.8\:m/s²}$

Hence, The total acceleration of the girl riding her bicycle is 0.8 meters per second squared (m/s²).

=================================

૮₍´˶• . • ⑅ ₎ა

3 0

2 years ago

At the market, 5 light bulbs cost $9. How much do 7 light bulbs cost?

Rudiy27

Hello!

To solve this, find the cost of a single light bulb first, by dividing 9 / 5.

9 / 5 ==> 1.80

One light bulb is $1.80

Now, multiply 1.80 by 7.

1.80 * 7 = 12.6

7 light bulbs cost $12.6

Hope this helps! ☺♥

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4 years ago

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Use the graph below for this question:

Travka [436]

Average rate of change is just the slope betwen the points
that is just the slope between (-3,-3) and (-4,-1)

slpe between (x1,y1) and (x2,y2) is (y2-y1)/(x2-x1)

so slope between (-3,-3) and (-4,-1) is (-1-(-3))/(-4-(-3))=(-1+3)/(-4+3)=2/-1=-2

the average rate of change is -2

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3 years ago

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Jack is collecting pumpkins for the town parade. 45 pumpkins are orange, 27 pumpkins are white, and 18 pumpkins are green. What

Step2247 [10]

Answer:

I would say about 42% or so luvs hope I helped

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2 years ago