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Inessa05 [86]
3 years ago
14

I'm really confused about this but how do you solve problems with finding the slope of a line pls I need help with a whole front

page of this lol
Mathematics
1 answer:
faust18 [17]3 years ago
6 0
To find the slope you use the slope formula y2-y1 / x2-x1. So use two point on the line we will make ours (1,2) and (3,4). Substitute to make 4-2 / 3-1 = 1/1 so using the rise over run method. The line rises up one and runs by one. The slash mark means divide, it's easiest in a fraction.

Also if you come across the equation y=mx+b, m is the slope and b is the y-intercept, this is called slope intercept formula.
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SOLVING EACH SYSTEM BY ELIMINATION <br><br><br> x+3y=5 x=-6y+14<br><br><br> HELP
nata0808 [166]

Answer:

\mathrm{The\:solutions\:to\:the\:system\:of\:equations\:are:}

x=-4,\:y=3

Step-by-step explanation:

Given the system of the equations

x+3y=5;\:x=-6y+14

solving by elimination method

\begin{bmatrix}x+3y=5\\ x=-6y+14\end{bmatrix}

\mathrm{Arrange\:equation\:variables\:for\:elimination}

\begin{bmatrix}x+3y=5\\ x+6y=14\end{bmatrix}

x+6y=14

-

\underline{x+3y=5}

3y=9

\begin{bmatrix}x+3y=5\\ 3y=9\end{bmatrix}

solve 3y=9 for y:

3y=9

\frac{3y}{3}=\frac{9}{3}

y=3

\mathrm{For\:}x+3y=5\mathrm{\:plug\:in\:}y=3

Solve x+3\cdot \:3=5 for x:

x+3\cdot \:3=5

x+9=5

x=-4

Therefore,

\mathrm{The\:solutions\:to\:the\:system\:of\:equations\:are:}

x=-4,\:y=3

6 0
3 years ago
Help ASAP<br><br> https://brainly.com/question/15912533?answeringSource=feedPersonal%2FhomePage%2F18
givi [52]

Answer:  

Last one: 5x - 3√y + 1

Step-by-step explanation:

8x + √1 - √9y - √9x^2

8x + 1 - 3√y - 3x

5x + 1 - 3√y

5x - 3√y + 1

 

CAN YOU PLEASE MARK MY ANSWER BRANLIEST

7 0
3 years ago
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Which of the binomials below is a factor of this trinomial?
Brut [27]

i think its but im not sure

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3. A number increased by 5 and divided by 2 is equal to 75. What is the number?
frez [133]

Answer:

633

Step-by-step explanation:

3 0
3 years ago
Please help me out!!!!!!!!
Aloiza [94]

I believe that the answer is 70. I hope I helped! The reason I say this is because BD is half of AE and 35+35=70 :)

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2 years ago
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