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4 years ago

Solve this equation -16+5x-7+8=-1+3x

Mathematics

1 answer:

uranmaximum [27]4 years ago

4 0

Answer:

x=1/7

Step-by-step explanation:

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A 12-foot flagpole stands 24 feet from the base of an oak tree. If the shadow of the flagpole is 16 feet long, how tall is the o

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3 years ago

A Flagpole casts a shadow 32 feet long. If a man is 6 feet tall casts a shadow 8 feet long at the same time and location. How ta

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24 feet
Set up a ratio of object height to shadow length.
So x/32=6/8
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3 years ago

Find an equation of the line that (a) has the same y -intercept as the line y + 5x + 9 = 0 and (b) is parallel to the line - 3x

kap26 [50]

Equation of required line is:

$y = \frac{3}{4}x-9$

Step-by-step explanation:

First of all we will convert both equations in slope-intercept form

$y + 5x + 9 = 0$

Subtracting 5x from both sides

$y+9 = 0-5x\\y+9 = -5x$

Subtracting 9 from both sides

$y+9-9 = -5x-9\\y = -5x-9$

The y-intercept is -9.

Other equation is:

$- 3x + 4y = 3$

Adding 3x on both sides

$-3x+3x+4y = 3x+3\\4y=3x+3$

Dividing both sides by 4

$\frac{4y}{4} = \frac{3x+3}{4}\\y = \frac{3}{4}x+\frac{3}{4}$

As the required line has y-ntercept of line y + 5x + 9 = 0

So,

b = -9

And

The line is parallel to second line, so the slopes of both will be equal

$m=\frac{3}{4}$

Slope-intercept form of line is:

$y=mx+b$

Putting values of b and m

$y = \frac{3}{4}x-9$

Keywords: Equation of line, Slope-intercept form

Learn more about equation of line at:

#LearnwithBrainly

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3 years ago

If 20 tickets to a carnival cost $120.00, make a

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120/20=6 so it’s six dollars a ticket
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3=$18
4=$24
5=$30
6=$36
n=6n

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