MATHEMATICS HIGH SCHOOL

Х у -3 -1
0 0
3 1
6 2 Which equation describes the relationship expressed in the table? )) A) y = x C) y = ⅙x
B) y =3x D) y = ⅓x

Answers

Answer 1

Answer:

Answer:

Step-by-step explanation:

if y=2 then x=6, 2x3=6 ...if you multiple y with 3..you will get the answer of x

in that equation above..it will get x=3y...but there is no answer for it..so, you can convert it to, y=1/3x

Answer 2

Answer:

Answer:

the answer is D

hope this will help you ❤️

Step-by-step explanation:

you can search in yt (how to find the slope of linear function)

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Y-1/x+3=-3/4 how do you solve for y

Answers

$( y-1)/(x+3) =- (3)/(4)\n \nx+3\neq 0\n \nx\neq -3 \n \nD=R\setminus \left \{ -3 \right \}$

$4(y-1)=3(x+3)\n \n4y-4=3x+9\n \n4y=3x+9+4\n \n4y=3x+13\ \/:4\n \ny=(3)/(4)x +(13)/(4)$

How long does it take the ferris wheel to make one full rotation?h(t)=9sin(20(t-pi/2))+12 , h in metres and t in seconds

Answers

This is a circular ferris wheel, with diameter of 9 meters, and the axis
mounted 12 meters off the ground. The equation is the height of the
a point that starts out level with the axis, at 't' seconds after the wheel
starts up.

Now here's where things start to go awry:

The period of the revolution is the time it takes for the angle
inside the sine to change by 2pi .

20(t - pi/2) = 2pi

20t - 10pi = 2pi

20t = 12pi

t = 12pi/20 = 1.885 seconds

I can't help it. All I did was the math, and that was bullet-proof.
It was up to whoever wrote the question to guarantee that the
answer makes sense.

For one thing, I don't believe the 'pi/2' belongs inside the parentheses
with the 't'. But even if we take the 'pi/2' out of the parentheses, that
still only makes the period 3.183 seconds, which is still an uncomfortable
number ... especially for the riders.

0.4121212 is an example of a repeating decimal.
True
False

Answers

Answer:

yes

Step-by-step explanation:

when it has the Same numbers over and over it's a repeated decimal

A rock is placed in a graduated cylinder to determine its volume. The following data are obtained. What is the volume of the rock?Initial volume of water: 13.7 mL
Final volume of water: 28.9 mL

Answers

easy
when rock is in water, it takes up a certain volume, say x
so
initial+x=final volume
luckily we have final and inital
13.7ml+x=28.9ml
minus 13.7ml both sides
x=15.2ml

the volme of the rock is 15.2ml

Answer:

The answer is 15.2 cm ^3

The other guy was wrong. (sorry if I'm to late.)

Step-by-step explanation:

Brian wants to build a ramp that leads to a storeroom 5 meters above the ground. He wants the ramp to be 10 meters long. What should the angle of elevation of the ramp be?

Answers

The ladder that extends from the floor to the storeroom makes a right triangle. The ramp is the hypotenuse measuring 10 m and the elevation of the storeroom is the opposite side. The angle of elevation is the arcsin of the quotient of the 5/10. Thus, the answer is 30 degrees.

Answer:

30 degrees

Step-by-step explanation:

because i said so

Write 0.27 as a fraction