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3 years ago

PLEASE HELP!!! WILL GIVE BRAINLIEST AND 20 POINTS!!!

Mathematics

2 answers:

expeople1 [14]3 years ago

6 0

Answer: answer is d neither

Step-by-step explanation: because both triangle will be mapped together hope you have a nice day

BARSIC [14]3 years ago

4 0

The answer is D because then triangles DEF and ABC would mapped onto one another

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What is the additive inverse of the polynomial?<br> -7y^2+x^2y-3xy-7x^

gogolik [260]

The additive inverse of the polynomial $- 7{y^2} + {x^2}y - 3xy - 7{x^2}$ is $\boxed{7{y^2} - {x^2}y + 3xy + 7{x^2}{\text{ or }} - \left( { - 7{y^2} + {x^2}y - 3xy - 7{x^2}} \right)}.$

Further explanation:

Given:

The polynomial is $- 7{x^2} + {x^2}y - 3xy - 7{x^2}.$

Explanation:

The given polynomial is $- 7{y^2} + {x^2}y - 3xy - 7{x^2}.$

The additive inverse can be defined as when we add a number to some number and get result as zero.

The value of additive inverse is same as of the number but the sign of the additive inverse is opposite.

The additive inverse of the polynomial can be expressed as follows,

$\begin{aligned}A&= - 7{y^2} + {x^2}y - 3xy - 7{x^2} + \left( {7{y^2} - {x^2} + 3xy + 7{x^2}} \right)\\&= - 7{y^2} + 7{y^2} + {x^2}y - {x^2}y - 3xy + 3xy - 7{x^2} + 7{x^2}\\&= 0\\\end{aligned}$

The additive inverse of the polynomial $- 7{y^2} + {x^2}y - 3xy - 7{x^2}$ is $\boxed{7{y^2} - {x^2}y + 3xy + 7{x^2}{\text{ or }} - \left( { - 7{y^2} + {x^2}y - 3xy - 7{x^2}} \right)}.$

Learn more:

Learn more about inverse of the function brainly.com/question/1632445.
Learn more about equation of circle brainly.com/question/1506955.
Learn more about range and domain of the function brainly.com/question/3412497.

Answer details:

Grade: High School

Subject: Mathematics

Chapter: Polynomial

Keywords: roots, prime polynomial, linear equation, quadratic equation, zeros, function, polynomial, solution, cubic function, degree of the function.

4 0

3 years ago

Read 2 more answers

What is the end behavior of the function f(x)=-3/4 x^2

denis-greek [22]

Answer:

Step-by-step explanation:

The end behavior of this function is the same as that of y = -x^2: the graph starts in Quadrant III and continues in Quadrant IV; the shape is roughly that of an upside-down parabola.

7 0

4 years ago

One number is three times another number. If the sum of the numbers is 36, determine the two

Svetllana [295]

Answer: biggest no.=27. Smallest number=9

Step-by-step explanation:

Let's take the smallest number as x and the biggest number as 3x since it is 3 times bigger than x.

The sum of these two numbers is 36

3x+x=36

4x=36

X( smallest number)=36/4: 9

While, the biggest number is 3x: 3×9=27

5 0

3 years ago

Find all solutions for a triangle with A=140, b=10, and a=3. Round to the nearest tenth.

grandymaker [24]

I can try to answer this to the best of my knowledge

so if angle A is 140 degrees) then the other two angles *together* add up to 40 degrees)

so both B and C are less than 40.

that means their sides are less than the side opposite angle A

, so less than 3. But they tell you b is 10. hope it helps

4 0

3 years ago

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Can someone plz help me What is the surface area of the figure? A. 408 ft2 B. 458 ft2 C. 545 ft2 D. 720 ft2

AveGali [126]

There are 2 faces 7 x 5

$2*(5*7)=2*35=70ft^2$

There 2 faces 5 x 5

$2*(5*5)=2*25=50ft^2$

there are 3 faces 5 x 12

$4*(5*12)=4*60=240ft^2$

There are 2 faces 7 x 7

$2*(7*7)=2*49=98ft^2$

Now only we have to sum all of them together

$98+240+50+70=458ft^2$

6 0

4 years ago

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