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2 years ago

How do i find x in #21

Mathematics

1 answer:

Cerrena [4.2K]2 years ago

8 0

In quadrilaterals inscribed in circles, the sum of opposite angles=180 degrees. so, x+134=180

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Teaser has 38 point she divides the coins equally among her self and her three brothers how many coins does each person get are

Serhud [2]

Answer:

Each person including Teaser will get 9.5 coins.

Step-by-step explanation:

Teaser has 38 points

There is

-Brother 1

-Brother 2

-Brother 3

-Teaser

38 divided by 4

= 9.5

Therefor each will get 9 1/2 coins.

Please leave a good rating if this helped :)

-Adam

7 0

3 years ago

The Turtle and Achilles compete. They start at the same time from the same place. Achilles runs at a speed of 13 mph while the T

spayn [35]

Answer:

The competition took 12.5 minutes.

Step-by-step explanation:

Let the time taken by Achilles to complete the competition is h hours.

Now, Achilles runs at a speed of 13 mph while the Turtle moves at a speed of 1 mph.

So, the competition was 13h miles long.

Now, Turtle will take h hours to complete h miles of the competition.

Now, given that (13h - h) = 2.5

⇒ 12h = 2.5

⇒ h = 0.208 hours.

⇒ h = 12.5 minutes.

Therefore, the competition took 12.5 minutes. (Answer)

3 0

3 years ago

quadrilateral paid is a rectangle whose diagonals have the endpoints p(-3, -2)i(4, -7) and a(4, -2)d(-3, -7). find the diagonals

julia-pushkina [17]

Answer:

The intersection point of diagonals is (0.5,-4.5).

Step-by-step explanation:

The end points of first diagonal are p(-3, -2) and i(4, -7).

The end points of second diagonal are a(4, -2) and d(-3, -7).

If a line passing through two points, then the equation of line is

$y-y_1=\frac{y_2-y_1}{x_2-x_1}(x-x_1)$

The equation of first diagonal is

$y-(-2)=\frac{-7-(-2)}{4-(-3)}(x-(-3))$

$y+2=\frac{-5}{7}(x+3)$

$7y+14=-5(x+3)$

$7y+14=-5x-15$

$5x+7y=-29$ .... (1)

The equation of second diagonal is

$y-(-2)=\frac{-7-(-2)}{-3-4}(x-4)$

$y+2=\frac{-5}{-7}(x-4)$

$7y+14=5(x-4)$

$7y+14=5x-20$

$5x-7y=34$ .... (2)

Add equation (1) and (2),

$10x=5$

$x=0.5$

Put this value in (1).

$5(0.5)+7y=-29$

$y=-4.5$

The intersection point of diagonals is (0.5,-4.5).

3 0

2 years ago

Can anyone help please with 6 and 7 I’m in desperate need of can someone help please and God bless

saw5 [17]

6.) 9
5(9)+18=63
Divide 9+13x (since its the entire line) by 2 to get 4.5+6.5x so it can equal Half
4.5+6.6(9)=63

7.) IF=HF
The three lines indicate they are equal to eachother

Hope that helps!

8 0

2 years ago

Could you help me with one of them please?

vivado [14]

Answer:

The answer to number seven is 420 km.

3 0

2 years ago