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IgorC [24]
3 years ago
14

100 pts plz help!!!!!!1

Mathematics
2 answers:
Brilliant_brown [7]3 years ago
5 0
This is a supplementary equation, so that means both of the equations added together would be 180 degrees. Therefore, you simply add them together to make them equal 180: 17x+14+4x-2=180.

therefore x=8.

you can check it by plugging 8 into both equations. 17(8)+14=150 and 4(8)-2=30

150+30 is 180

your answer is x=8

hope this helps!! :)
Lelu [443]3 years ago
5 0

\boxed{\large{\bold{\blue{ANSWER~:) }}}}

Here,

The two lines l and m are parallel,

cut by a transversat line t

So The two angles are supplementary each other.

<u>we</u><u> </u><u>know that</u><u>, </u>

The sum of two supplementary angles are 180°

<u>According</u><u> </u><u>to</u><u> </u><u>the question</u><u>, </u>

  • (17x+14)°+(4x-2)°=180°

  • 17x+14°+4x-2°=180°

  • 17x+4x+14°-2°=180°

  • 21x+12°=180°

  • 21x=180°-12°

  • 21x=168°

  • x=168°/21

  • x=8°

<u>Therefore</u><u>, </u>

The value of x is 8°

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If y=36 when x=6 find x when y=42
emmasim [6.3K]

Answer:

x = 7

Step-by-step explanation:

First, solve by dividing y with x

When x = 6, y = 36

36/6= 6

6(x) = y is your equation.

Now plug in 42 for y

6(x) = 42

Isolate the x. Divide 6 from both sides

(6x)/6 = (42)/6

x = 42/6

x = 7

7 is your answer for x.

~

4 0
3 years ago
Read 2 more answers
Determine which ordered pairs fall on the graph of f(x) = -2x-1
Pavlova-9 [17]

Answer:

No order Pair fall on the graph

Step-by-step explanation:

The given Function is

f(x)= -2x -1       ...............(i)

Now to see whether these ordered pairs Lay on it we will put each ordered pair in the equation (i)


Lets take first ordered pair (1,1)

here x = 1

putting it in (i) gives

f(1)= -2(1) -1

f(1)= -3

this is not equal to 1 so the order pair (1,1) does not fall on function f(x)= -2x -1

Lets take second ordered pair (-1,-4)

here x = -1

putting it in (i) gives

f(-1)= -2(-1) -1

f(-1)= 1

this is not equal to -4 so the order pair (-1,4) does not fall on function f(x)= -2x -1


Lets take third ordered pair (-2,-1/8)

here x = -2

putting it in (i) gives

f(-2)= -2(-2) -1

f(-2)= 3

this is not equal to -1/8 so the order pair (-2,1/8) does not fall on function f(x)= -2x -1


Lets take fourth ordered pair (0,-1/2)

here x = 0

putting it in (i) gives

f(0)= -2(0) -1

f(0)= -1

this is not equal to -1/2 so the order pair (0,-1/2) does not fall on function f(x)= -2x -1


3 0
4 years ago
Plz help its a division problem and I need the exact remainder.
max2010maxim [7]
3 cars. 39/6= 36 remainder 3. They will take the remainder on the last trip
6 0
3 years ago
Read 2 more answers
3. A cone has a heighth and a base with radius r. You want to change the cone so its volume is tripled. What is the new height i
Sphinxa [80]

Answer:

Hence the new height  is 3 times the original height .(h1=3h)

Step-by-step explanation:

Given:

A cone with  has height and base with radius r .

To Find:

What is new height

Solution:

Consider as cone with height h base radius r, and volume v

Here given that only height changes for the cone  i.e. r remains the unchanged or same or constant

The volume for a regular cone is given by ,

V=pie*r^2*h/3

Here V is directly proportional to h i.ee pie ,3 and r being constant

V=K*h

i.e V/h=constant

V1 and h1 are new dimensions for new cone

V/h=V1/h1

Here V1=3V

So V/h=3V/h1

1/h=3/h1

i.e  h1=3h

Hence the height  is 3 times the original height .

4 0
3 years ago
The midpoint of GH is M(3, 0). One endpoint is G(1, 0). Find the coordinates of the other endpoint H.
hjlf

\bf ~~~~~~~~~~~~\textit{middle point of 2 points } \\\\ G(\stackrel{x_1}{1}~,~\stackrel{y_1}{0})\qquad H(\stackrel{x_2}{x}~,~\stackrel{y_2}{y}) \qquad \left(\cfrac{ x_2 + x_1}{2}~~~ ,~~~ \cfrac{ y_2 + y_1}{2} \right) \\\\\\ \left( \cfrac{x+1}{2}~~,~~\cfrac{y+0}{2} \right)~~=~~\stackrel{\stackrel{Midpoint}{M}}{(3~,~0)}\implies \begin{cases} \cfrac{x+1}{2}=3\\[1em] x+1=6\\ \boxed{x=5}\\ \cline{1-1} \cfrac{y+0}{2}=0\\[1em] \boxed{y=0} \end{cases}

7 0
3 years ago
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