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Y_Kistochka [10]
3 years ago
12

Plz help me w this !!

Mathematics
1 answer:
larisa [96]3 years ago
7 0

Answer:

sum of angles in atriangle=180°

Step-by-step explanation:

w-45°+w-37°+w+19°=180°(sum of angles in a triangle)

3w=180°+45°+37°-19°

3w=243°

w=81°

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Pls help answer fast
vovangra [49]
I believe it is c if i am not wrong
4 0
3 years ago
A curve passes through the point (0, 5) and has the property that the slope of the curve at every point P is twice the y-coordin
Anit [1.1K]

Answer:

y=5e^{2x}

Step-by-step explanation:

Let (x,y) represents a point P on the curve,

So, the slope of the curve at point P = \frac{dy}{dx}

According to the question,

\frac{dy}{dx}=2y

\frac{1}{y}dy=2dx

Integrating both sides,

\int \frac{dy}{y}=2dx

ln y=2x+ln C

ln y-ln C = 2x

ln(\frac{y}{C})=2x

\frac{y}{C}=e^{2x}

\implies y=Ce^{2x}

Since, the curve is passing through the point (0, 5),

5=Ce^{0}\implies C=5

Hence, the required equation of the curve is,

y=5e^{2x}

7 0
4 years ago
Factor completely 9x 4 -225y 8
777dan777 [17]
9x^4 -225y^8
= 9(x^4 - 25y^8)
= 9(x^2 + 5y^4)(x^2 - 5y^4)
4 0
3 years ago
Solve the system using substitution.<br> X = Y-4<br> 2x + 3y = 12
kvv77 [185]

Answer:

Step-by-step explanation:

If you know that x = y - 4, you can plug that value into the equation 2x + 3y = 12 for x. This would look like:

2(y - 4) + 3y = 12

Simplify:

2y - 8 + 3y = 12

5y - 8 = 12

add 8 to both sides

5y = 20

divide both sides by 5

y = 4

Now, substitute y = 4 back into the equation x = y - 4:

x = 4 - 4

and simplify:

x = 0

This means that the answer is x = 0 and y = 4.

3 0
3 years ago
Read 2 more answers
The length of a side of a square is 3x + 2. What is the area of the
MrMuchimi

Answer:

D. 9x^2 + 12x + 4

Step-by-step explanation:

3 0
3 years ago
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