Please help im running out of time:(

One train is traveling 120 m with a velocity of 52 km/h and a
second train is traveling in the opposite direction with a
velocity of 20 km/h. How long will it take for them to
completely pass one another?

Answers

Answer 1

Answer: It took the train 11 s to completely pass the other.

Answer 2

11 seconds it takes for them to completely pass one another if one train is travelling 120 m with a velocity of 52 km/h.

What is distance?

Distance is a numerical representation of the distance between two items or locations. Distance refers to a physical length or an approximation based on other physics or common usage considerations.

We have:

One train is travelling 120 m with a velocity of 52 km/h.

A second train is travelling in the opposite direction with a velocity of 20 km/h.

Here, the length of the second train is not given:

We are assuming the length is 100 m

Relative velocity = 52+20 = 72 km/h = 20 meter/seconds

Total distance: = 120 + 100 = 220 m

The time = 220/20 = 11 seconds

Thus, 11 seconds it takes for them to completely pass one another if one train is travelling 120 m with a velocity of 52 km/h.

Learn more about the distance here:

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ZABD and ZDBC are supplementary angles.
What is the measure of x?
X = [?]°
7D
110%
AK
B.
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Angles are not drawn to scale.
Enter

Answers

Answer:

jhbujnhjnv

Step-by-step explanation:

vnjhbjhbjmb

Answer:

x=70°

Step-by-step explanation:

x+110=180 linear pair

x=180-110=70

1. The number of Hamilton circuits in K15 is
A) 15!
B) 105
C) 14!
D) 15
E) None of these

Answers

Hamilton circuits in K15 have 14

for function of g,g(0)=1 and g(1)=5 assuming g is a linear function what is g(3)

Answers

Answer:

[tex]g(3) = 13[/tex]

Step-by-step explanation:

Given

[tex]g(0) = 1[/tex]

[tex]g(1) = 5[/tex]

Required

Find g(3)

Since g(x) is a linear function, then:

[tex]g(x) = mx + c[/tex]

For: [tex]g(0) = 1[/tex]

[tex]g(x) = mx + c[/tex]

[tex]g(0) = m*0 + c[/tex]

[tex]1 = 0 + c[/tex]

[tex]1 = c[/tex]

[tex]c = 1[/tex]

For: [tex]g(1) = 5[/tex]

[tex]g(x) = mx + c[/tex]

[tex]g(1) = m * 1 + c[/tex]

[tex]5 = m * 1 + c[/tex]

[tex]5 = m + c[/tex]

Substitute [tex]c = 1[/tex]

[tex]5 = m + 1[/tex]

[tex]m = 5 - 1[/tex]

[tex]m =4[/tex]

So, the function is:

[tex]g(x) = mx + c[/tex]

[tex]g(x) = 4x + 1[/tex]

Calculate g(3)

[tex]g(3) = 4*3 + 1[/tex]

[tex]g(3) = 12 + 1[/tex]

[tex]g(3) = 13[/tex]

I need help if you get it right I will mark you as BRAINLEST

Answers

Answer:

C

Step-by-step explanation:

do this for me? helppp all my point

Answers

Answer:

do u want me to find the perimeter? area? or volume?

Which polynomial has the highest degree?
A 3x^12 - 2x^8 + x^5
B 8x - 200
C 15x^3 + 3x^2 - 10
D 150x^3

Answers

Answer:

A 3x^12 - 2x^8 + x^5

Step-by-step explanation:

Degree of a polynomial:

The degree of a polynomial is given by the highest exponent of x.

In this question:

Option A: 12th degree

Option B: 1st degree

Option C: 3rd degree

Option D: 3rd degree

So the answer is given by option A.

help me pls i don't have many points pls help if you don't believe me go to my acc and look at my points i only have 13

Answers

Answer:

1. 14

2. 17.5

3. 60

4. 238

5. 91.4375

6. 58.065

Step-by-step explanation:

Sorry, I'm only doing 6, GOOD LUCK!!!

Which rectangular equation represents the parametric equations x = 3t Superscript one-half and y = 6t?

y = 2x2, for x ≥ 0
y = Two-thirdsx2, for x ≥ 0
y = 54x2, for x ≥ 0
y = StartFraction 1 Over 54 EndFractionx2, for x ≥ 0

Answers

Answer:

B

Step-by-step explanation:

I got it right

Answer:

Its b

Step-by-step explanation:

Mason wants to play with Maliyah's Doll House, but first he needs to stop at the clubhouse. If all
three stops are in the shape of a triangle, which of the following distances would NOT be an option?

Answers

Answer:

B, (6,8,14)

Step-by-step explanation:

6+8 is equal to 14, not greater than 14

If all three stops are in the shape of a triangle then the distances 6 8 14 would not be an option.

Let us Apply the triangle inequality to the options.

A)5+6>9

6+9>5

5+9>6

So the triangle is possible.

B) 6+8=14 while the condition is that the sum of any two sides in a triangle is always greater than the third side i.e 6+8 must be greater than 14.

So, the triangle is not possible.

Similarly, C and D are possible triangles.

Hence, out of the 4 options, the distances 6 8 14 would not be an option.

To learn more on Triangles click:

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Mason wants to play with Maliyah's Doll House, but first he needs to stop at the clubhouse. If all

three stops are in the shape of a triangle, which of the following distances would NOT be an option?

Answers :

5 6 9 city blocks

6 8 14

7 9 10

8 15 17

factor trinomials x^2-x-6=?​

Answers

Answer:

(x−2)(x+3)

Step-by-step explanation:

x²-x-6=x²+3x−2x−6=x(x+3)−2(x+3)=(x−2)(x+3)

which experimental probability from coach nelson's experiment equals the theorectical probability? what is this probability?

Answers

Answer:

QUESTION:

which experimental probability from coach nelson's experiment equals the theorectical probability? what is this probability?

ANSWER:

This will explain everything to you.

https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-probability-statistics/cc-7th-theoretical-and-experimental-probability/v/comparing-theoretical-to-experimental-probabilites

Step-by-step explanation:

Hope that this helps you out! :)          

If you have any questions please put them in the comment section below this answer.          

Have a great rest of your day/night!          

Please thank me on my profile if this answer has helped you.

Cole threw 50 darts. Here are his results Orange 29, Green 15, Blue 5, and Red 1 Calculate the experimental probability for each color. PLEASEEEE HURRYYY​

Answers

Answer:

Orange 29/50, or 58%

Green 3/10, or 30%

Blue 1/10, or 10%

Red 1/50, or 2%

QUICK BRAINLIEST

10 POINTS!!!! Which polynomial represents the sum below ?

Answers

The answer is in option B.

Answer:

The right answer to this question is B

According to some sources, the African continent has about 170 million Internet users. According to the bar graph, which statement is true?
Africa has fewer users than the Middle East.
Africa has more users than Asia.
Africa has more users than Europe but fewer than Asia.
Africa has more users than the Middle East but fewer users than North America.

Answers

Answer:

The last answer choice

Step-by-step explanation:

Interpretation of internet users

Middle East - about 100 million

North America - about 250 million

Europe - about 500 million

Asia - over 1 billion

Now lets look back at the question.

If Africa has 170 million internet users, according to the graphs, which statement is true.

"Africa has fewer users than the middle east"

This is false as Africa has 170 million users whereas The middle east has about 100 million users

170 mil > 100 mil therefore the statement is false

"Africa has more users then Asia"

This is also false as Asia has the most internet users at 1 billion

Africa has no where near as many users at 170 million users therefore the statement is false

"Africa has more users than Europe but fewer than Asia."

We have already identified that Africa has fewer users than Europe so this one could be it if the other part is true.

"Africa has more users than Europe" This is false as Europe has 500 million internet users while Africa only has 170 million users

Therefore this statement is false

"Africa has more users than the Middle East but fewer users than North America."

Africa has more internet users than the Middle East ( 170 mil > 100 mil ) and fewer users than North America ( 250 mil > 170 mil )

therefore this is the correct statement

pls help me giving brainless.​

Answers

Answer:

five and three ninths

six and seven tenths

nine and one fifth

HELP PLS !!!! ITS DUE IN AN HOUR

Answers

Answer:

its b i know that

Step-by-step explanation:

Find the area of the triangle. Enter your answer in the box.

Answers

9514 1404 393

Answer:

  168 mm²

Step-by-step explanation:

The area of a triangle is half the product of the base and height. The height is measured perpendicular to the base.

  A = 1/2bh

  A = 1/2(14 mm)(12 mm)

  A = 84 mm²

The area of the triangle is 84 square millimeters.

Answer:

84 whoop lololol

Step-by-step explanation:

84 mm power 2

Hey : please help no fake anwsers : I’ll mark you brainliest :3

Answers

Answer:

320units²

Step-by-step explanation:

one half triangle

area =1/2bh

area of the triangle= 1/2*5*8

= 20units²

area of the octagon= 16*20

=320units²

16 semi triangle will make up the octagon full

I hope it work for you

Find the sum: (7b
-2) + (-4b + 5)

Answers

Answer:

[tex]=3b+3[/tex]

Step-by-step explanation:

[tex]\mathrm{Remove\:parentheses}:\quad \left(a\right)=a[/tex], [tex]=7b-2-4b+5[/tex].

[tex]\mathrm{Group\:like\:terms}[/tex]:

[tex]=7b-4b-2+5[/tex]

[tex]\mathrm{Add\:similar\:elements:}\:7b-4b=3b[/tex]

[tex]=3b-2+5[/tex]

[tex]\mathrm{Add/Subtract\:the\:numbers:}\:-2+5=3[/tex]

[tex]=3b+3[/tex]

please help me
what is 11 1/4in 3 1/2in and 4 1/2in as whole numbers

Answers

Answer:

45/4     7/2     9/2

Step-by-step explanation:

I'm not sure if this is what you wanted so if its not sorry.

So u have to.

S a. A

Pythagorean theorem 3d

The Flat Family’s roof is 60 feet long and 32 feet wide. The TV antenna is 30 feet tall. The wires are attached 5 feet below the top of the antenna.

Mr. Flat needs to buy wire at his local hardware store. He decides to buy an additional 10% more than the amount we calculate…so he has enough to attach each wire on each end. How much total wire should he buy? Show all of your work so that Mr. Flat can understand it, and round your answer reasonably.

Answers

Answer:

ihhrhi2rhhb4rhbur4hbur4hb43hubr4u3br

Step-by-step explanation:

hi can you please help me with my work​

Answers

the answer is the second one. 2 and 2/3


Dr. Seals borrows $15,000 to remodel her backyard. The interest rate is 3%. The interest is compounded twice a year for two years.

Answers

Answer:

what is the question?

Step-by-step explanation:

Pentagon VWXYZ is shown on the coordinate grid. A student reflected pentagon VWXYZ across the x-axis to create pentagon V'W'X'Y'Z'. Which rule describes this transformation?
A. (x, y) ---> (x, -y)
B. (x, y) ---> (x, y + 8)
C. (x, y) ---> (-y, x)
D. (x, y) ---> (-x, y)

Answers

Answer: ITS (A) (x, y) → (x, −y)

Step-by-step explanation:

WHO CAN solve it Please !

Answers

Answer:

a) True

     [tex]\int\limits^\pi _ {0} \,(\sqrt{1-sin^{2}\alpha } )d\alpha =0[/tex]

Step-by-step explanation:

Step(i):-

Given that the definite integration

           [tex]\int\limits^\pi _ {0} \,(\sqrt{1-sin^{2}\alpha } )d\alpha[/tex]

we know that the trigonometric formula

sin²∝+cos²∝ = 1

           cos²∝ = 1-sin²∝

step(ii):-

Now the  integration

        [tex]\int\limits^\pi _ {0} \,(\sqrt{1-sin^{2}\alpha } )d\alpha = \int\limits^\pi _0 {(\sqrt{cos^{2} \alpha } } \, )d\alpha[/tex]

                                     = [tex]\int\limits^\pi _0 {cos\alpha } \, dx[/tex]

Now, Integrating

                                 [tex]= ( sin\alpha )_{0} ^{\pi }[/tex]

                               = sin π - sin 0

                              = 0-0

                             = 0

Final answer:-

     [tex]\int\limits^\pi _ {0} \,(\sqrt{1-sin^{2}\alpha } )d\alpha =0[/tex]

Find the area of the white region in the diagram shown.

Answers

Answer:

Option 4

Step-by-step explanation:

Area of shaded region = Area of the circle - Area of the shaded triangles

Area of the circle = πr²

r = Radius of the circle

Therefore, area of the circle = π(4)²

                                               = 16π

Area of the given triangles = [tex]2[\frac{1}{2}(\text{Base})(\text{Height})][/tex]

                                             = Base × Height

                                             = (4 × 4)

                                             = 16

Area of the shaded region = 16π - 16

Option 4 will be the correct option.

Help me please! I will mark brainliest for whoever gets it right the fastest.

Answers

Answer:

274

Step-by-step explanation:

4 tran ra To make cherry trail mix, Sebastián needs 4 oz of nuts for every 3 oz of dried cherries. To make sunflower trail mix, he needs 5 oz of nuts for every 2 oz of sunflower seeds. Can Sebastián make more cherry trail mix or sunflower trail m with 20 oz of nuts? Show your work. OLUTION metale to make bronz bronz​

Answers

For starters I am not 100% sure of if this is correct I may not understand the quest so bare with me

Answer:

Cherry Trail Mix

Step-by-step explanation:

4 oz of nuts for every 3 oz of dried cherries

5 oz of nuts for every 2 oz of sunflower seeds

- Multpy the amount of nuts in each bag to 20 - Cherry Trail Mix: 4*5=20

Sunflower Trail Mix: 5*4=20

- Now multiply the amount of dried cherries and sunflower seeds by the number used to get to 20

Cherry Trail Mix: 3*5= 15 Sunflower Trail Mix: 2*4=8

- Now add up the amount of oz in each

Cherry: 20+15=35

Sunflower: 20+8=28

35oz > 28oz

HELP! I’ll mark you brainliest! Find the area of the irregular figure.

Answers

Answer:

[tex] 177 \: cm^2 [/tex]

Step-by-step explanation:

Area of the irregular figure = Area of rectangle with dimensions 15 cm & 10 cm + Area of rectangle with dimensions (15-6-6=3) 3 cm and 2 cm + Area of triangle with base ( 2 + 2 + 3 = 7) 7 cm and height (18 - 10 - 2 = 6) 6 cm

[tex] = 15 \times 10 + 3 \times 2 + \frac{1}{2} \times 7 \times 6 \\ \\ = 150 + 6 + 21 \\ \\ = 177 \: {cm}^{2} [/tex]

Polygon ABCDE has a vertex at A(-4, 2). If the polygon is translated 4 units right and 2 units up, what are the coordinates of A'?

Answers

Answer:

(0,4)

Step-by-step explanation:

Add 4 to x and add 2 to y.

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