MATHEMATICS HIGH SCHOOL

Solve y = 2xz2 - xy for x

Answers

Answer 1
Answer: Hello,

y=x(2z²-y)

if 2z²-y ≠0 then

x=y/(2z²-y)

if you know the value of y and the value of z ,
you will be able to find a numerical value of x.
Answer 2
Answer: Hey,

Y=2  x XZ2
XZ2-XY
XY=X x Y

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Find the perimeter of thepolygon if ZB = ZD.
11.5 cm
B
D
12.5 cm
13.5 cm

Answers

Answer:

100cm

Step-by-step explanation:

From the given diagram;

Perimeter of the polygon = AB + BC+ CD + DA

Perimeter of the polygon = 11.5 + 12.5 + 12.5 + 13.5 + 13.5 + 12.5 + 12.5 + 11.5

Perimeter of the polygon = 24 + 26 + 26 + 24

Perimeter of the polygon = 50 + 50

Perimeter of the polygon = 100cm

Hence the Perimeter of the polygon is 100cm

Answer:

100 cm

Step-by-step explanation:

Please help asap 29 pts

Answers

-|6-18|

-|-12|

-12

Answer -12

ChoiceD

Solve the algebraic expression n+8 if n = 15

Answers

If n=15 you do 15+8 which equals 23. Hope that helped. ✌
Seeing that n=15, we can say 15+8=23. So the final answer is 23.

What is the equation of the line perpendicular to 2x − 5y = −35 that contains the point (10, 4)?

Answers

perpendicular has slope that multiplies to -1 in other sloope

thsi one

2x-5y=-35
-5y=-2x-35
y=2/5x+7
slope=2/5
2/5 times -5/2=-1
y=-5/2x+b
findn b
(10,4)
(x,y)
4=-5/2(10)+b
4=-25+b
21=b
y=-5/2x+21
2y=-5x+42
5x+2y=42
I left the equation in the gradient-intercept form which is just the form where the 'y' variable in the equation is with a coefficient of 1.... Hope you can see the picture though.

Use an algebraic equation to find the measure of each angle that is represented in terms of x.

Answers

The measure of each angle is 117°

Explanation:

Given that the two angles are (11x-26)° and (7x+26)°

We need to determine the measure of each angle.

Measure of angles:

From the figure, it is obvious that the two angles are vertically opposite angles.

By definition, we know that, the vertically opposite angles are always equal.

To determine the measure of each angle, we shall first find the value of x.

Thus, we have,

11x-26=7x+26

 4x-26=26

        4x=52

          x=13

Thus, the value of x is 13

Now, substituting x=13 in the angle (11x-26)°, we get,

(11(13)-26)^(\circ)=(143-26)^(\circ)

                    =117^(\circ)

The measure of the angle is 117°

Similarly, substituting x=13 in the angle (7x+26)°, we get,

(7x+26)^(\circ)=(7(13)+26)^(\circ)

               =117^(\circ)

The measure of the angle is 117°

Hence, the measure of each angle is 117°

Which are the roots of the quadratic function f(b) = b2 – 75? Check all that apply.

Answers

f(b)=b^2-75\nf(b)=0\nb^2-75=0\nb^2=75\nb=\pm√(75)=\pm√(25*3)=\pm5√(3)

Answer:

The roots of the given quadratic function f(b) = b^2-75 is 5√(3)\quad and -5√(3)\quad  

Step-by-step explanation:

   Given: Quadratic function f(b) = b^2-75

We have to find the roots of the given quadratic function f(b) = b^2-75

Since, roots of the quadratic equation is the points where the value of function is zero.

That is f(x) = 0

Consider the given function  f(b) = b^2-75

Put f(b) = 0

\Rightarrow b^2-75=0

Simplify , we have,

\Rightarrow b^2=75

Taking square root both side, we have,

\Rightarrow b=√(75)

Simplify we have,

\Rightarrow b=\pm 5√(3)\quad

Thus, The roots of the given quadratic function f(b) = b^2-75 is 5√(3)\quad and -5√(3)\quad
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