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Angelina_Jolie [31]
3 years ago
8

HELP PLEase ASAP ! ?!!!!

Mathematics
1 answer:
uysha [10]3 years ago
4 0
Since all the angles are the same measure, each angle has to be equal to 60 since all three angles add up to 180. YOU'RE WELCOME :D
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Ace or expert pls help​
jolli1 [7]

Answer:

Step-by-step explanation:

-0.25

-1/3

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3 0
2 years ago
Read 2 more answers
What is the constant of proportionality in the equation y=12.9x?<br> Enter your answer as a decimal
forsale [732]

Answer:

The constant of proportionality would just be 12.9.

Step-by-step explanation:

This equation is already simplified enough to were the constant of proportionality is just the number attached to the x.

3 0
3 years ago
.................................................6y=8x
frez [133]

Answer: look at the picture

Step-by-step explanation: Hope this help :D

8 0
2 years ago
Look at picture. Does anybody know the answer I’m lost?
masha68 [24]

Let x,y be the dimensions of the rectangle. We know the equations for both area and perimeter:

A=xy=36

P=2(x+y)=36 \iff x+y=18

So, we have  the following system:

\begin{cases}xy=36\\x+y=18\end{cases}

From the second equation, we can deduce

y=18-x

Plug this in the first equation to get

xy=x(18-x)=-x^2+18=36

Refactor as

x^2-18x+36=0

And solve with the usual quadratic formula to get

x=9\pm3\sqrt{5}

Both solutions are feasible, because they're both positive.

If we chose the positive solution, we have

x=9+3\sqrt{5} \implies y=18-x=18-9-3\sqrt{5}=9-3\sqrt{5}

If we choose the negative solution, we have

x=9-3\sqrt{5} \implies y=18-x=18-9+3\sqrt{5}=9+3\sqrt{5}

So, we're just swapping the role of x and y. The two dimensions of the rectangle are 9+3\sqrt{5} and 9-3\sqrt{5}

6 0
3 years ago
]Choose the equation below that represents the line passing through the point (-2, -3) with a slope of -6. . . y + 3 = -6(x + 2)
pshichka [43]
Y - y1 = m(x - x1)
slope(m) = -6
(-2,-3)...x1 = -2 and y1 = -3
now sub and pay close attention to ur signs
y - (-3) = -6(x - (-2)....we're not done yet...
y + 3 = -6(x + 2) <===
7 0
3 years ago
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