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3 years ago

Simplify (-6x^2-2x++1)+(-4x^2+3)

Mathematics

2 answers:

In-s [12.5K]3 years ago

6 0

Answer:

=−10x2−2x+4

Step-by-step explanation:

=−6x2+−2x+1+−4x2+3

=(−6x2+−4x2)+(−2x)+(1+3)

=−10x2+−2x+4

Komok [63]3 years ago

5 0

Answer:

Try math-way. It gives you the answers for equations, and so much more in algebra.

Step-by-step explanation:

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What is the point of symmetry for the circle (x + 2)2 + (y â 4)2 = 25?

irina [24]

It's its center:

(-2, 4)

Can't read y-4 or y+4, change the sign.

y-4 ---> SOLUTION: (-2,4)

y+4 ---> SOLUTION: (-2, -4)

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3 years ago

Which is the graph of f(x) = -(x + 3)(x + 1)?

ch4aika [34]

Answer:

Step-by-step explanation:

x intercepts are -3,-1

f(x)=-(x²+x+3x+3)=-(x²+4x)-3=-(x²+4x+4-4)-3=-(x+2)²+4-3

or f(x)=-(x+2)²+1

vertex is (-2,1)

so it is an inverted parabola with vertex (-2,1) and x-intercepts (-3,0) and (-1,0)

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3 years ago

Please help me add an explanation too pls

Elanso [62]

Answer:

42.5 inches

Step-by-step explanation:

because you gotta divide 349 by 8 to get ye height

8 0

3 years ago

Patty has just completed her second semester in college. She earned a grade of B in her 4-hour topology course, a grade of D i

umka21 [38]

Answer: 1.4

Step-by-step explanation:

To calculate the grade point average you have to sum all the points of each course multiplying the hours and then diveded by the total number of hours she did.

She earned a grade B in her 4 hour topology course, so she has 3*4 points.

In her 11 hour gouvernment course, she earned a grade D, so she has 1*11 points. In the 2 hour biology course she earned a grade D, so she has 1*2 points and in her 3 hours studio art course she had also a grade D, so she has 1*3 points

She has done 3+2+11+4 hours of subjects=20.

The total average is (3*4+1*11+1*2+1*3)/20=28/20=1.4

8 0

4 years ago

WRITE AN COMPOUND INEQUALITY FOR THIS SENTENCE

Mila [183]

Hello there!

Write a compound inequality for this sentence: 'w' is less than 4 and greater than or equal to -8
Only use 'w' once.

W is less than four ~ $4 \ \textgreater \ w$

W is greater than or equal to -8 ~ $w \geq -8$

If we were to put this together, it would look like:

$4 \ \textgreater \ w \geq -8$

I hope I helped!

Let me know if you need anything else!

~ Zoe

7 0

3 years ago