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Anuta_ua [19.1K]
3 years ago
15

What is the equation of this graphed line? (0,7) (8,-2)

Mathematics
2 answers:
Kisachek [45]3 years ago
7 0

Answer:

equation is y=1.3x-12.4

Step-by-step explanation:

Step one

Given that the points are

(0,7) (8,-2)

X1=0

X2=8

Y1=7

Y2=-2

Step two :

Let us find the Slope

Pluging our points we have

M= (Y2-Y1)/(X2-X1)

M=(-2-7)/(8-1)

M=-9/7

M=1.3

Step three :

We know that the equation of a line is given by

Y=Mx+c

Hence the intercept is

-2=1.3*8+c

-2=10.4+c

-12.4=c

c=-12. 4

Hence the equation is y=1.3x-12.4

lbvjy [14]3 years ago
5 0

Answer:

Step-by-step explanation:

eq. of line is y-7=(-2-7)/(8-0) (x-0)

y=-9/8 x+7

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864

Step-by-step explanation:

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The loading ramp for a truck makes a 30° angle to the ground. The back of the truck is 4' above the ground.
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2 years ago
FIND M∠R (GIVING BRAINLIEST, 25 PTS)
riadik2000 [5.3K]

Answer:

<h2>76</h2>

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>
  • triangles
  • equation
  • PEMDAS
<h3>given:</h3>
  • M\angle T=2x+2
  • M\angle R=3x+1
<h3>tips and formulas:</h3>
  • this is an isosceles triangle since two sides are equal therefore \angle T=\angle S
  • a triangle contains 180°
<h3>let's solve:</h3>

according to the question

2x+2+2x+2+3x+1=180

solve:

  1. collect like terms:7x+5=180
  2. substract 5 from both sides:=>7x+5-5=180-5=>7x=175
  3. divide both sides by 7: =>7x/7=175/7
  • x=25

given:

M∠R=3x+1

substitute the value of x

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7 0
3 years ago
Read 2 more answers
Ryan and Sarah collect baseball cards. Ryan has 150 baseball cards and collects 10 cards per week. Sarah has 200 baseball cards
Nadusha1986 [10]

Answer:

<h2>10 weeks </h2>

Step-by-step explanation:

Step one:

given data

Ryan

number of baseball cards=150

number collected per week= 10

let the number of weeks be x

and the total be y

y=10x+150-----------------1

Sarah

number of baseball cards=200

number collected per week= 5

let the number of weeks be x

and the total be y

y=5x+200------------2

Step two:

Required

the number of weeks where both total will be the same

10x+150=5x+200

10x-5x=200-150

5x=50

divide both sides by 5

x=50/5

x=10 weeks

3 0
3 years ago
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