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3 years ago

PLEASE HELP ME I WILL MARK BRAINLIEST!! :)

Mathematics

2 answers:

Mashcka [7]3 years ago

5 0

Answer:

option D

5 not represent an expression

hope it helps

yKpoI14uk [10]3 years ago

3 0

Answer:

Step-by-step explanation:

5 is a number, an expression is, (in mathematics), an expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context.

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What are the coordinates of the midpoint of a segment AB , if: A(–3, 4), B( 1, 2)

Alik [6]

Hi there! :)

Answer:

$\huge\boxed{(-1, 3)}$

Use the midpoint formula to derive the midpoint of the segment:

$(x_{m} ,y_{m}) = (\frac{x_{1}+x_{2} }{2} , \frac{y_{1}+y_{2} }{2} )$

Substitute in the coordinates:

$(x_{m} ,y_{m}) = (\frac{-3+1 }{2} , \frac{4+2 }{2} )$

Simplify:

$(x_{m} ,y_{m}) = (-1 , 3 )$

The coordinates of the midpoint are:

$(-1, 3)$

3 0

3 years ago

marcus has a spinner with 3 red sections, 2blue sections, and 1 purple section match the event of landing on each color to the c

wolverine [178]

Answer:

see below

Step-by-step explanation:

3 red sections, 2blue sections, and 1 purple section = 6 sections

P( red) = red/total = 3/6 =1/2

P( blue) = blue/total = 2/6 =1/3

P( purple) = purple/total = 1/6

8 0

3 years ago

The circle below is centered at the point (3, 1) and has a radius of length 2.

cluponka [151]

Answer:

$x^2 + y^2 - 3x -y +6 = 0$

Step-by-step explanation:

The equation of a circle with center $(h,k)$ and radius $r$ is given by

$(x - h)^2 + (y - k)^2 = r^2$

Here the center is: $(3,1)$ and radius is $2$ .

Therefore, we have:

$(x - 3)^2 + (y - 1)^2 = 2^2$

$\implies x^2 -3x +9 +y^2 -y +1 = 4$

$\implies x^2 + y^2 -3x -y +6 = 0$

7 0

3 years ago

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Which of the following is a polynomial with roots 4, -5 and 7?

Illusion [34]

Required polynomial is (x - 4)(x + 5)(x - 7) = (x - 4)(x^2 - 2x - 35) = x(x^2 - 2x - 35) - 4(x^2 - 2x - 35) = (x^3 - 2x^2 - 35x) - (4x^2 - 8x - 140) = x^3 - 2x^2 - 35x - 4x^2 + 8x + 140 = x^3 - 6x^2 - 27x + 140

4 0

4 years ago

Moby sold half of his toy car collection and then bought 12 more cars the next day. He now has 48 toy cars. How many toy cars di

kumpel [21]

Answer:

Moby had 72 cars to start with.

Step-by-step explanation:

48-12=36

36(2)= 72

7 0

4 years ago

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