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3 years ago

What is the equation of a line, in a slope-intercept form, that goes through the point (-12,7) with m= -(5/3)

1 answer:

alexandr1967 [171]3 years ago

8 0

Slope-intercept form : y-y₁=m(x-x₁)

Passes through (-12, 7)

Slope = -5/3

m = slope

Simply plug everything in :)

y - y₁ = m(x - x₁)

y - 7 = -5/3(x + 12)

Simplify.

y - 7 = -5/3x - 20

Add 7 to both sides.

y = -5/3x = -13

~Hope I helped~

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With tax included, a couch costs $315. What does the couch cost before tax?

Orlov [11]

The $315 cost of the couch after tax, gives the cost before tax, <em>C</em>, as the following equation;

$Cost \: before \: tax, \: \: \mathbf {C} = \frac{315}{1 + t}$

<h3>How can the cost before tax be expressed?</h3>

The cost of the couch with tax = $315

Let, <em>t</em>, represent the tax rate, and let <em>C</em>, represent the cost before tax, we have;

315 = C + C × t

315 = C × (1 + t)

Which gives;

The cost of the couch before tax, <em>C </em>= 315/(1 + t)

Mathematically, we have the following equation;

$Cost \: before \: tax, \: \: \mathbf {C} = \frac{315}{1 + t}$

Learn more about writing, and analyzing equations here:

brainly.com/question/7187454

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4 0

1 year ago

diegueno is selling ticket for tge dance. Tickets purchased in advanced cost $4 while tickets at the door cost $6. If 325 ticket

lapo4ka [179]

Answer:

The numbers of tickets in advanced sold was 260 and the numbers of tickets at the door sold was 65

Step-by-step explanation:

Let

x ---> the numbers of tickets in advanced sold

y ---> the numbers of tickets at the door sold

we know that

325 tickets are sold

$x+y=325$ ----> equation A

$1430 is collected

$4x+6y=1,430$ ----> equation B

Solve the system of equations by graphing

Remember that the solution is the intersection point both graphs

using a graphing tool

The solution is the point (260,65)

see the attached figure

therefore

The numbers of tickets in advanced sold was 260 and the numbers of tickets at the door sold was 65

7 0

3 years ago

Hi!! How do I find the value of x? could you help me??

goldfiish [28.3K]

Answer:

To find the value of x, bring the variable to the left side and bring all the remaining values to the right side. Simplify the values to find the result.

hope this helps in some way!

8 0

2 years ago

Read 2 more answers

Could someone help me with number 5 because I suck at perimeters

N76 [4]

You might need to use the distance formula

for the distance betwen (x1,y1) and (x2,y2) is
$D= \sqrt{(x1-x2)^2+(y1-y2)^2}$

so find disance between (-3,1) and (-1,3)
and (-1,3) and (3,1)
so
if we did input them
we would get $6+2 \sqrt{2}+2 \sqrt{5}$ which is the peirmiter

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3 years ago

The approximate value of 400,000 multiplied by 200

nevsk [136]

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2 years ago