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Butoxors [25]
3 years ago
5

Plz Help!! Factor the Polynomial: -6x² - 15x + 9

Mathematics
2 answers:
const2013 [10]3 years ago
8 0

Answer:thanks 4 points

Step-by-step explanation:

Salsk061 [2.6K]3 years ago
5 0

Answer:

= -3(x+3)x(2x-1)

Step-by-step explanation:

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I need help with these two problems please
Debora [2.8K]

Problem 2

Plot point L anywhere that isn't on segment JK. Draw a line through point L. I find it helps to make the lines parallel.

Next, use a compass to measure the width of segment JK. Keeping this same width, transfer the nonpencil end of the compass to point L. Draw an arc that crosses the line through L.

Mark this intersection point M. Lastly, use a pen or marker to form segment LM and erase everything else of that line.

======================================================

Problem 3

The ideas of the previous problem will be used here. We copied segment JK to form congruent segment LM. So JK = LM.

The same steps will be used to form segment GN where GN = EF. In other words, segment GN is a perfect copy of segment EF.

If you repeat these steps again, you'll get another segment of the same length. This segment goes from point N to point H. So NH = GN = EF

Then we can say,

GH = GN + NH

GH = EF + EF

GH = 2*EF

7 0
3 years ago
Solve the following differential equation: (2x+5y)dx+(5x−4y)dy=0 *Hint: they are exact<br><br> C=.
Tpy6a [65]

Answer with Step-by-step explanation:

The given differential equation is

(2x+5y)dx+(5x-4y)dy=0

Now the above differential equation can be re-written as

P(x,y)dx+Q(x,y)dy=0

Checking for exactness we should have

\frac{\partial P}{\partial y}=\frac{\partial Q}{\partial x}

\frac{\partial P}{\partial y}=\frac{\partial (2x+5y)}{\partial y}=5

\frac{\partial Q}{\partial x}=\frac{\partial (5x-4y)}{\partial x}=5

As we see that the 2 values are equal thus we conclude that the given differential equation is exact

The solution of exact differential equation is given by

u(x,y)=\int P(x,y)dx+\phi(y)\\\\u(x,y)=\int (2x+5y)dx+\phi (y)\\\\u(x,y)=x^2+5xy+\phi (y)

The value of \phi (y) can be obtained by differentiating u(x,y) partially with respect to 'y' and equating the result with P(x,y)

\frac{\partial u}{\partial y}=\frac{\partial (x^2+5xy+\phi (y)))}{\partial y}=Q(x,y))\\\\5y+\phi '(y)=(5x-4y)\\\\\phi '(y)=5x-9y\\\\\int\phi '(y)\partial y=\int (5x-9y)\partial y\\\\\phi (y)=5xy-\frac{9y^2}{2}\\\\\therefore u(x,y)=x^2+10xy-\frac{9y^2}{2}+c

5 0
3 years ago
Show me STEP by STEP how to convert 5,807 Km to meters.
jonny [76]

for converting km to meters

1 km = 1000 m

5807 km = 1000 × 5807 m

= 5807000m ...

for converting cups to gallons

1 cup = 0.0625 gallons

2144 cups = 0.0625 × 2144 gallons

= 134 gallons

3 0
3 years ago
Can anyone plz help me
ser-zykov [4K]

Answer:

C. Veggie Delight

Step-by-step explanation:

1/5 is 20 cents so 40 cents make a pound then you compare them to the rest.

6 0
3 years ago
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Use the formula aequals upper p left parenthesis 1 plus r right parenthesis superscript t to find the rate r at which ​$3000 com
hichkok12 [17]
The answer is 7,323 al you have to do is pay atention
7 0
3 years ago
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