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marta [7]
2 years ago
10

Heyy could you help me out with this problem???​

Mathematics
1 answer:
Elan Coil [88]2 years ago
7 0

Answer:

not sure

Step-by-step explanation:

sorry :/

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Answer:

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iragen [17]

Step 1: Find the slope:

    m= \dfrac{y_2-y_1}{x_2-x_1}= \dfrac{-2-7}{4-(-2)} =  \dfrac{-9}{6}= -\dfrac{3}{2}

This gives you y=-\dfrac{3}{2}x+b, but we need to find b.

To find b, substitute in one (x,y) pair and it doesn't matter which one.  I'll go with (4,-2):

    \begin{aligned}-2&=-\dfrac{3}{2}(4)+b\\[0.5em]-2&=-6+b\\[0.5em]4&=b\end{aligned}

Now take that b-value and plug in into the slope-intercept form:

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It's always a good idea to toss in the other x-value from the other point, to make sure it checks out.

7 0
3 years ago
What property or properties are not used when solving the following equation -3(4x-8)=-36
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3 years ago
Read 2 more answers
What is the value of b?<br><br> ​0.4(3b+10)=19
Sergio039 [100]

Answer:

12.5

Step-by-step explanation:

Step 1:

0.4 ( 3b + 10 ) = 19     Equation

Step 2:

1.2b + 4 = 19       Multiply

Step 3:

1.2b = 15    Subtract 4 on both sides

Step 4:

15 ÷ 1.2    Divide

Answer:

b = 12.5

Hope This Helps :)

7 0
3 years ago
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