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koban [17]
3 years ago
15

I'm really bad at math

Mathematics
1 answer:
Lynna [10]3 years ago
6 0
What chapter is this?

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5x+6y=18and 18x-15y=36<br> parallel or perpendicular
Katen [24]

Answer:

<u>They</u><u> </u><u>are</u><u> </u><u>neither</u><u> </u><u>parallel</u><u> </u><u>nor</u><u> </u><u>perpendicular</u><u>,</u><u> </u><u>since</u><u> </u><u>slope</u><u> </u><u>are</u><u> </u><u>different</u><u> </u><u>and</u><u> </u><u>not</u><u> </u><u>related</u><u> </u><u>by</u><u> </u><u>any</u><u> </u><u>equation</u>

Step-by-step explanation:

First arrange them according to general equation:

y = mx + c

<u>f</u><u>o</u><u>r</u><u> </u><u>t</u><u>h</u><u>e</u><u> </u><u>f</u><u>i</u><u>r</u><u>s</u><u>t</u><u> </u><u>e</u><u>q</u><u>u</u><u>a</u><u>t</u><u>i</u><u>o</u><u>n</u> :

5x + 6y = 18 \\ 6y =  - 5x + 18 \\ { \boxed{y =  -  \frac{5}{6} x + 3}}

<u>f</u><u>o</u><u>r</u><u> </u><u>t</u><u>h</u><u>e</u><u> </u><u>s</u><u>e</u><u>c</u><u>o</u><u>n</u><u>d</u><u> </u><u>e</u><u>q</u><u>u</u><u>a</u><u>t</u><u>i</u><u>o</u><u>n</u> :

18x - 15y = 36 \\ 15y = 18x - 36 \\ y =  \frac{18}{15} x -   \frac{12}{5}

8 0
2 years ago
PLEASE ANSWER ASAP <br> 20 POINTS
Schach [20]
X=7. The two segments on the bottom as well as on the diagonal are the same length. This shows that the entire triangle and the inner triangle on the right are similar. So if we call the length of the bottom 2y, then 84/2y=6x/y. Solving this we get 84=12x, and so x=7
6 0
3 years ago
Solve for x:<br>log x + log 8 = 2<br>​
likoan [24]

Answer: The answer is 252

Step-by-step explanation:

:)))

8 0
2 years ago
Read 2 more answers
If the sales tax is 7% on all purchases, how much should you set aside for $300. Show your work.
trasher [3.6K]

Answer:

$21

Step-by-step explanation:

7% = .07

$300 multiplied by .07 = $21

3 0
3 years ago
Would the three sides:
Andru [333]

Answer:yes it would make a right triangle

7 0
3 years ago
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