MATHEMATICS HIGH SCHOOL

What is the midpoint of (-5,2) and (2, - 7)?

Answers

Answer 1
Answer:

Answer:

The answer to your question is Midpoint = (-1.5, -2.5)

Step-by-step explanation:

Data

Point A = (-5, 2)

Point B = (2, -7)

Process

To find the midpoint, use the formula to calculate the mid-x and the formula to find the mid-y, then write the results as a point.

Formula

Xm = (x1 + x2) / 2

Ym = (y1 + y2) / 2

Substitution

Xm = (-5 + 2)/2

Ym = (2 - 7)/2

Simplification

Xm = -3/2

Ym = -5/2

Result

Xm = -1.5

Ym = -2.5

Midpoint = (-1.5, -2.5)

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WHAT IA 2+2= AND IT BETTER BE RIGHT

27/45=_/5?
2/6=_/3?jjjjjj

Answers

Answer:

27/45=3/5

2/6=1/3

Step-by-step explanation:

Adina has a rectangular garden that measures 9 m wide by 13 m long. She wants to increase the area to 192 m^2 by increasing the width and length by the same amount. What will be the width (shorter dimension) of the new garden?Question 4 options:

a) 14 m wide

b) 13 m wide

c) 12 m wide

d) 11 m wide

Answers

area=legnth times width
192=(9+x)(13+x)
solve
expand
192=117+22x+x^2
minus 192 both sides
0=x^2+22x-75
factor
0=(x-3)(x+25)
set to zero

x-3=0
x=3

x+25=0
x=-25
not possible since that gives negative legnths and widhs

increased by 3

shorter is 9
9+3=12

C is ansre

What are the coordinates of point P on the coordinate grid below?

Answers

(78,98)
sorry i dont have the graph but i hope this helped

Answer:

There is no grid but, my answer is (4.6 -8.6)  please put a grid and then i will give real answer

Step-by-step explanation:

6x^3 + 9x^2 + 2x +3 factor thos expression with work?

Answers

split it up an group with like ones (6x^3 with 2x since 6 and 2 are divisble by 2  and 9x^2 with 3 since both divisible by 3)
(6x^3+2x)+(9x^2+3)
undistribute using reverse distributive property (ab+ac=a(b+c))

2x(3x^2+1)+3(x^2+1)
undistribute again
(3x^2+1)(2x+3)

Could someone help me with number 3?

Answers

Answer:X=40


Step-by-step explanation:

3inx+2in(4)=in(128)

Step 1: Add -8in to both sides.

3inx+8in+−8in=128in+−8in

3inx=120in

Step 2: Divide both sides by 3

then you will get your answer

solve for x by simplifying both side of the equation the isolating the variable.    

x = 8/3 + 128/3in

Select the system of liner inequalities whose solution is graphed

Answers

The graphed area is below the line with negative slope and above the line with positive slope.  The lines themselves are not shaded, indicating that the sections on the line are not in the solution area, so the third set of inequalities is the correct one.

Answer:

C, or the third choice would be correct

Step-by-step explanation:
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