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3 years ago

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 parallel or perpendicular

Katen [24]

Answer:

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

Step-by-step explanation:

First arrange them according to general equation:

$y = mx + c$

for the first equation :

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

for the second equation :

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

8 0

2 years ago

PLEASE ANSWER ASAP 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: log x + log 8 = 2

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