MATHEMATICS HIGH SCHOOL

When constructing inscribed polygons and parallel lines, how are the steps different?A protractor is used to take measurements
Four right angles are created.
A compass is used to copy an angle.
There are no differences.

Answers

Answer 1
Answer:

When you construct parallel lines you have to copy an angle by creating arcs with a compass. For inscribed polygons you also have to use a compass in order to be sure that the figure is a regular polygon. There for the when you are constructing inscribed polygons and parallel lines, A compass is used to draw arcs.


Answer: C) A compass is used to copy an angle.


I hope it helps, Regards.

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2 Sqrt5  + 3 sqrt8 equals ?

Answers

2 * Sqrt 5 = 4.4
Sqrt 5 = 2.2
3* Sqrt 8 = 8.4
Sqrt 8 = 2.8
8.4 + 4.4 = 12.8

WILL MARK BRAINLIEST!Construct a function with a rate of change of 2/3 and an initial value of 4.

*please hurry if you can :)*

Answers

If you recall y=mx+b, the slope-intercept form of a linear equation, the slope, m, is the rate of change of the equation, and the y-intercept is b. 


When switching to function notation, we simply swap y for f(x), and if we start at x=0 and graph in the positive x direction, we've started at whatever initial value exists (the y-intercept value).


Simply: F(x) = 2/3 x +4

Which ordered pairs lie on the graph of the exponential function f(x)=−3^2x+5 ? Select each correct answer. ​ (−2,  76) ​ ​ ​​ (3,−724) ​ ​​ (0,  4) ​ (1,−4) ​

Answers

Answer:

(0,4) (1,-4)

Step-by-step explanation:

Plugging in values, we get that (1,-4) works.

f(1)=-3^(2*1)+5=-3^2+5=-9+5=-4

The product of 2 and a number x is 3/4. What is the value of x? x=5/4 x=3/8 x=1 1/4 x=3/2

Answers

Answer:

x=3/8

Step-by-step explanation:

2*x=3/4

x=3/4*2

x=3/8

Answer:

9

Step-by-step explanation:

The main tank has a radius of 60 feet. What is the volume of the quarter-sphered sized tank? Round your answer to the nearest whole number. You must explain your answer using words, and you must show all work and calculations to receive credit.

Answers

If the main tank is spherical, then its volume is \frac43\pi*60^3=288000\pi. A quarter-sphere would be one fourth of this volume, or 72000\pi.

HELP!!! Using a directrix of y = 2 and a focus of (3, −4), what quadratic function is created?

Answers

Answer:

The required quadratic function is y=-(1)/(12)(x-3)^2-1.

Step-by-step explanation:

The standard form of the parabola is

(x-h)^2=4p(y-k)

Where the focus is (h, k + p) and the directrix is y = k - p.

The directrix of y = 2 and a focus of (3, −4).

(h,k+p)=(3,-4)

On comparing both sides we get

h=3

k+p=-4                           ...... (1)

y=k-p

k-p=2                           ...... (2)

Add equation (1) and (2).

2k=-2

k=-1

Substitute k=-1 in equation (1).

(-1)+p=-4

p=-3

Therefore the equation of parabola is

(x-3)^2=4(-3)(y-(-1))

(x-3)^2=-12(y+1)

It can be rewritten as

y=-(1)/(12)(x-3)^2-1

Therefore the required quadratic function is y=-(1)/(12)(x-3)^2-1.
parabola with vertx (3,-1) that opens down

4(-3)(y+1)=(x-3)^2
y+1=(-1/12)(x-3)^2
y=(-1/12)(x-3)^2-1
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