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Tresset [83]
3 years ago
12

I need help solving this

Mathematics
1 answer:
pentagon [3]3 years ago
5 0
Y=mx+b where m=slope=(dy/dx) and b=y-intercept (value of y when x=0)

You have two points...(1,-2),(3,2) so

m=(y2-y1)/(x2-x1)=(2--2)/(3-1)

m=4/2=2 now that you have the slope...

y=2x+b, you can use either point to solve for the y-intercept, I'll use (3,2)

2=2(3)+b

2=6+b

b=-4 so the line is:

y=2x-4
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X+y=3 x=6-4y using substitution
kenny6666 [7]

Givens

x + y = 3

x =6 - 4y

Solution

Use the top equation to substitute for x in the second equation.

x = 3 - y

Put this result into the second given equation and solve for y

3 - y = 6 - 4y        Add 4y to both sides.

3 - y + 4y = 6       Combine on the left

3 + 3y = 6            Subtract 3 from both sides

3 - 3 + 3y = 6 - 3  Combine

3y = 3                   Divide by 3

3y/3 = 3/3             Combine

y = 1                      

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

x + y = 3               but y = 1

x + 1 = 3                Subtract 1 from both sides.

x + 1 - 1 =3 - 1

x = 2

Answer

x = 2

y = 1

4 0
3 years ago
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:) Find the area of the triangle.
Tomtit [17]
Base times height, and then dives what you got by 2
8 0
3 years ago
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Help meeeeeeeeeeeeee​
Anna71 [15]

Answer:

Area 60 po is 32

Step-by-step explanation:

First u do 6x10 which equal 60area is a he whole and perimeter is what each side and add all sidesis and the perime Is 32So the po is 32 and the . Is 60 hope it. Helps

7 0
2 years ago
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What value of x is in the solution set of 2x - 3 &gt; 11 - 5x<br><br><br> -3<br> 0<br> 2<br> 4
Misha Larkins [42]

<u>Answer:</u>

The answer is D : 4.

<u>Step-by-step explanation:</u>

<em>=2x-3>11-5x</em>

<em>=2x-3+5x>11</em>

<em>=7x-3>11</em>

<em>=7x>11+3</em>

<em>=7x>14</em>

<em>=7x/7>14/7</em>

<em>=x>2</em>

<em />

<em />

<em>By simplifying the problem, you can see that "x" </em><em><u>must</u></em><em> be greater than 2. Therefore, eliminating all other possible answers that are shown, but 4. </em>

<em />

<em />

<em>I answered the same questions with the same exact wording and explanation so please don't report any answers that are the same as this one, they are all mine and written by me. </em>

4 0
2 years ago
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All of the following are true statements except _____.
shutvik [7]

\qquad \qquad\huge \underline{\boxed{\sf Answer}}

The false (wrong) equation among them is : A

\qquad \sf  \dashrightarrow \:  | - 93|  =  - 93

Because any number in a modulus comes out to be positive.

4 0
2 years ago
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