Find the equation of the line that passes through (-2,3) and (4,-1).the formula I believe is y-y1 = y2-y1/x2-x1 (x-x1)
I'm not quite sure as to how to set that up. do I solve as I go?

Answers

Answer 1

Answer: $Genera\ equation\ for\ line\n\ny=ax+b\n\nTo\ find\ a\ and\ b\ substitude\ points\ (-2,3),\ (4,-1)\ into\ equation\n\n \left \{ {{3=-2a+b}\ \ \ \ \atop {-1=4a+b\ |*-1}} \right.\n\n \left \{ {{3=-2a+b}\ \ \ \ \atop {1=-4a-b\}} \right.\n+----\n\nAddition\ method\n\n4=-6a\ \ |:-6\n\na=-(4)/(6)=-(2)/(3)\n\nb=3+2a=3+2* (-(2)/(3))=3-(4)/(3)=1(2)/(3)\n\ny=-(2)/(3)x+1(2)/(3)$

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EXTRA CREDIT MATH HELP!!! (2/6)

Answers

6.75x-9

2.25x-3(3) is how you set this up to calculate perimeter.
the answer is 6.75x-9

plz mark brainliest

Simplify 8 + 3{x - 2[x + 5(x + 3)]}.

-33x + 82
33x - 82
-33x - 82

Answers

Answer:

-33x - 82

Step-by-step explanation:

Use

PEMDAS:

P Parentheses first

E Exponents (ie Powers and Square Roots, etc.)

MD Multiplication and Division (left-to-right)

AS Addition and Subtraction (left-to-right)

and the distributive property a(b + c) = ab + ac.

$1)\qquad5(x+3)=5x+15\n\n2)\qquad x+5(x+3)=x+5x+15=6x+15\n\n3)\qquad2[x+5(x+3)]=2(6x+15)=12x+30\n\n4)\qquad x-2[x+5(x+3)]=x-(12x+30)=x-12x-30=-11x-30\n\n5)\qquad3\{x-2[x+5(x+3)]\}=3(-11x-30)=-33x-90\n\n6)\qquad8+3\{x-2[x+5(x+3)]\}=8+(-33x-90)=-33x-82$

Answer:

-33x - 82

Hope It Helps:)

Find the LCM of 8,9, and 12

Answers

It's very simple, take a look.

8, 9, 12 | 2
4, 9, 6 | 2
2, 9, 3 | 2
1, 9, 3 | 3
1, 3, 1 | 3
1, 1, 1

2² * 3² *2 = 72

LCM(8,9,12) = 72

The LCM of 8, 9, and 12 is 72. That is the Lowest Common Multiple.

What is a type of percent that compares the final amount and original amounts?

Answers

Percentage change helps compare the final and initial amounts.

The isosceles triangle theorem states that if two sides of a triangle are congruent, then the angles _____________ those sides are congruent.

Answers

Answer: The isosceles triangle theorem states that if two sides of a triangle are congruent, then the angles opposite to those sides are congruent.

Step-by-step explanation:

Isosceles triangle theorem : If two sides of a triangle are congruent , then the angles opposite to these sides are congruent.

Consider an isosceles triangle ABC

Let D is the midpoint of triangle BC

Then, BD=CD

AD=AD[Reflexive Property ],

AB=AC [Definition of isosceles triangle]

Therefore, by SSS postulate ,

ΔADB≅ΔADC

Since corresponding parts of congruent triangles are congruent,

∴ ∠B≅∠C Hence Proved

Therefore, The isosceles triangle theorem states that if two sides of a triangle are congruent, then the angles opposite to those sides are congruent.

the answer is opposite

What is the slope of the line whose equation is 2y=5×+4?