Mathematics High School

Two trains leave stations 520 miles apart at the same time and travel toward each other. One train travels at 110 miles
per hour while the other travels at 90 miles per hour. How long will it take for the two trains to meet?
Do not do any rounding.

Answers

Answer 1

Answer:

They wont meet

Step-by-step explanation:

The one going 110 will pass before the other one can reach it.

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Answer 2

It will take 2.6 hours (or 2 hours and 36 minutes) long for the two trains to meet when Two trains leave stations 520 miles apart at the same time and travel toward each other.

To find the time it will take for the two trains to meet, we can use the concept of relative speed.

The two trains are traveling towards each other, so their speeds add up. The combined speed of the two trains is:

110 mph + 90 mph = 200 mph

To determine the time it will take for the trains to meet, we can divide the total distance they need to cover (520 miles) by their combined speed (200 mph):

Time = Distance / Speed

Time = 520 miles / 200 mph

Time = 2.6 hours

Therefore, it will take 2.6 hours (or 2 hours and 36 minutes) for the two trains to meet.

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Related Questions

Write a linear function for the data in each table using function notation.

Answers

Answer:

A. f(x) = 6.5xB. f(x) = 3x - 2

Step-by-step explanation:

Table A

This is proportional relationship

The function is:

f(x) = 6.5xTable B

The slope is:

(10 - 7)/(4 - 3) = 3

The y-intercept is:

10 - 4*3 = -2

The function is:

f(x) = 3x - 2

Answer:

A. f(x) = 6.5x

B. f(x) = 3x - 2

Step-by-step explanation:

Identity the slope and y-intercept
(-2,-3) (0,5)


Answers

Answer:

slope (m) = 4

y intercept is -3 and 5

Is 9x negative or positive?
-9x + 17x + -8x

Answers

Answer:

-9x is negative but the answer of the whole problem would be 0.

express as a fraction in simplest form 4 to 36

Answers

Answer:

Step-by-step explanation:

4/36/2/2

2/18/2/2

1/9

Is 3(x+2)-10=5x-6 one souliton

Answers

Answer:

one solution it is x=1

Step-by-step explanation:

i can type in the steps if you want

Answer:

X=1

Step-by-step explanation:

In ΔDEF, the measure of ∠F=90°, DE = 88 feet, and EF = 39 feet. Find the measure of ∠E to the nearest tenth of a degree.

Answers

- 47 I think this is the answer

Write an expression equivalent to 12+5t−4+15t+1

Answers

Answer:

20t + 9

Step-by-step explanation:

12+5t−4+15t+1

20t + 9

(Simplified version)

Answer:

The answer is 20t+9

Step-by-step explanation:

Which statement is true regarding the function above?
A) There is a vertical shift 6 spaces up
B) there is a horizontal shift 6 spaces to the right
C) there is a vertical shift 6 spaces down
D) there is a horizontal shift 6 spaces to the left

Answers

Answer:

B.there is a horizontal shift 6 spaces to the right

HELP ASAP!


Jesse serve 13 pints of orange juice at her party. How many quarts of orange is that she serve? Jesse served ____ quarts and ____ pints.

Answers

13 pints 5 quarts ihow to do this but I tried );

Someone please help

Which of these statements about gross income and net income is true?

A. Gross income is a tax on all income that a worker earns, and net income is a tax paid by an employer based on a worker's wages.

B. Gross income is a tax paid by an employer based on a worker's wages, and net income is a tax on all income that a person earns.

C. Gross income is the amount an employee is paid after deductions and taxes, and net income is the total amount an employee earns before deductions are applied.

D. Gross income is the total amount an employee earns before deductions are applied, and net income is the amount an employee is paid after deductions and taxes.​

Answers

Answer:

D. Gross income is the total amount an employee earns BEFIRE deductions...

Which one is it???????

Answers

X-4 I hope this is right

The ratio of the measure of the three angles of a triangle is 3:4:8. Find the mesure of the large angle

Answers

Answer:

96°

Step-by-step explanation:

Ratio of angles :

3 : 4 : 8

Sum of angles in a triangle = 180°

The value of the largest angle = angle with the largest ratio

This is the value of the angle with ratio 8

Sum of ratio : (3 + 4 + 8) = 15

Hence,

(8 / 15) * 180°

(8 * 180°) / 15

1440 / 15

= 96°

KLMN is a Parallelogram. LK = 20 cm and KM= 24.
K
L
If KL MN is also a rectangle, find the following measures:
NM =
LN=
QM=
KN=
N
M

Answers

Answer:

NM =LK=20cm(side of parallelogram are equal)

LN=KM=24cm(diagonal of parallelogram are equal)

QM=1/2×24=12cm(diagonal bisect each other)

KN=√(24²-20²)=13.26cm(by Pythagoras theorem)

1. Marie took out a loan for $250 for a Nintendo Switch. She plans to pay the 1 point
loan off in 18 months. At an annual interest rate of 7%, how much will Marie
have paid altogether for the Nintendo Switch? *

Answers

Answer: $276.25

Step-by-step explanation:

250 times .07 = 17.5

17.5 times 1.5 = 26.25

250 + 26.25 = 276.25

Help me please answer thanks

Answers

so the line is gonna cross on 4 on the y-intercept because in the equation that’s the y-intercept and 2 is the slope. the slope is moving up the graph by 2 because 2 is the slope. I hope this makes sense i don’t know how to simplify it more than this sorry

Consider the geometric sequence:
4, 8, 16, 32, ...
If n is an integer, which of these functions generate the sequence?
Choose all answers that apply:

a(n) = 4(2)” for n > 0
b(n) = 2(2)" for n > 1
c(n) = 4n-1 for n > 2
d(n) = 4n-2 for n > 3

Answers

Answer: a and b

Step-by-step explanation: plug in

The function for the geometric series is Tₙ = 4 (2)ⁿ⁻¹, the correct option is A.

What is a Geometric Series?

A sequence of numbers such that the consecutive term is increasing or decreasing by a fixed ratio is called a geometric series.

The geometric series is

4,8,16,32,........

The function which denotes this sequence is given by

The standard equation for geometric series is

Tₙ = a₁ rⁿ⁻¹

r = 2

a₁ = 4

Tₙ = 4 (2)ⁿ⁻¹

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16 ÷ 22 + (6 x 2) - 8

Answers

I did the PEMDAS method (P= parentheses, E= exponents, M= multiplication, D = Division, A= addition, S = subtraction.)

First I did what’s inside the parentheses, (6x2) and got 12.

Then I divided 16 by 22 and received 0.72.

I added 0.72 with 12 and the result was 12.72.

Last step was to subtract 12.72 - 8 and that equals 4.72
16 ÷ 22 + (6 x 2) - 8 = 4.72

Peggy rode her bike 25 miles in 2 hours. At this rate, how far will she ride in 3 hours?

Answers

37.5 miles

divide 25 by 2, that gives you 12.5
multiply 12.5 by 3 to get 37.5


SOMEONE PLEASE HELP ME !

Answers

y=mx+b
m=20 (slope)
b=10 (y-int)
equation= y=20x+10

Solve for x. −12x+13>35 Drag and drop a number or symbol into each box to correctly complete the solution.

Answers

Answer:

x < -11/6.

Step-by-step explanation:

−12x + 13 > 35

-12x > 35 - 13

-12x > 22

Divide both sides by -12 and invert the inequality sign:

x < -22/12

x < -11/6.

Will mark brainliest

Answers

Answer:

Step-by-step explanation:

1a. 2x - 4y = 2

   -x  + 4y = 3

x = 5

-5 + 4y = 3

4y = 8

y = 2

(5, 2)

1b. 2x + 3y=1

     -2x + 2y = -6

      5y = -5

       y = -1

     2x - 3 = 1

    2x = 4

    x = 2

   (2, -1)

2a.  x + 2y = 4

       2x - 5y = -1

     -2x - 4y = -8

      2x -  5y = -1

    -9y = -9

      y= 1

2x - 5 = -1

 2x = 4

  x = 2

(2, 1)

2b. 4x + 2y = 4

       x - 2y = -5

       5x = -1

        x= -1/5

    -1/5 - 2y = -5

    -2y = -4 4/5

      y= 12/5

(-1/5, 12/5)

3. 5x + 3y = 85

  11x + 5y = 163

25x + 15y = 425

-33x - 15y = -489

 -8x = -64

x = 8 regular

5(8) + 3y = 85

40 + 3y = 85

3y = 45

y = 15 mini bouquets    

(8 regular, 15 mini bouquets)

4a. 6x + 12y = -6

     18x - 12y = - 162

24x = -168

x = -7

3(-7) - 2y = -27

-21 - 2y = -27

-2y = -6

y= 3

(-7, 3)

4b. 3(6 -y) - 2y = 38

     18 - 3y - 2y = 38

     18 - 5y = 38

    -5y = 20

    y = -4

x = 6 + 4

x = 10

(10, -4)

Expand 4(x + 2).
4(x + 2) =

Answers

4x+8 thats the answer

Answer:

[tex]4x + 8[/tex]

Step-by-step explanation:

Hi!

So we have to use the distributive property here and distribute 4 to both the x and the 2.

So we do

[tex](4*x)+(4*2)[/tex]

Simplify further:

[tex]4x + 8[/tex]

That's your answer

Please help me! What does X equal?

Answers

Answer:

x = 75

Step-by-step explanation:

X = 180 - 78 - 27 = 75

Answer:

The answer is 75

Step-by-step explanation:

I got this answer because i added 78 and 27 then i subtracted it from 180 because that was the interior angle of a triangle and i got 75.

4. The quadratic function f (x) = (x + 1)2 – 4 is shown on the graph below.

What is the equation for the axis of symmetry?


Answers

Answer:I DO NOT KNOW

Step-by-step explanation:FIND OUT YOURSELF LOL

In the figure below, m_1=(x-9° and m2 =6xº.
Find the angle measures.
Help!!!!

Answers

Answer:

(x-9)°+6x=180°[by linear pair]

7x-9=180°

7x=180°+9

7x=189°

x=189/7

x=27

(x-9)°=27-9=18°

(6x)°=6×27=162°

The angle measures are 18 degrees and 162 degrees.

What is Angle?

An angle is the figure formed by two rays, called the sides of the angle, sharing a common endpoint, called the vertex of the angle.

In the given figure ∠1=x-9 and ∠2=6x

The sum of ∠1 and ∠2 is 180 degrees by linear pair.

∠1 +∠2 =180

x-9+6x=180

Add the x variable terms

5x-9=180

Add 9 on both sides

5x=189

Divide both sides by 5

x=27

Now substitute value of x in angle 1 and angle 2.

∠1=x-9=27-9=18 degrees

∠2=6x=6(27)=162 degrees.

Hence, the angle measures are 18 degrees and 162 degrees.

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What is the answer to - (2 - 7x) if you simplify

Answers

Answer:

It would be

-2+7x

Step-by-step explanation:

Solve the system by substitution.
y = 5x
y = 9x + 4

Answers

Answer:

(-1, -5)

Step-by-step explanation:

[tex]\left \{ {{y=5x} \atop {y=9x+4}} \right.[/tex]

1. We must calculate x, for that we must substitute y, so we have:

5x=9x+4

2. Now we solve the equation.

5x-9x=4

-4x=4

x=-1

3. Now we must calculate y

y=5x

y=5(-1)

y=-5

And the answer is (-1, -5)

there are 54 tickets to be shared and divided to section Z and section Y in the ratio 4:5. How many tickets will section Y received?
A.20
B.24
C.30
D.34​

Answers

Answer:

C.30

Step-by-step explanation:

total ratio=9

y=[tex]\frac{5}{9}[/tex]×54=30

The gas tank in Manny's car holds 25.05 gallons of gasoline. The car gets 36.05 miles to the gallon.

How many miles can Manny drive on a full tank of gasoline?


A. 875.0025 miles

B. 901.8000 miles

C. 903.0525 miles

D. 930.7500 miles

Answers

Answer:

C. Hope I'm right :)

Step-by-step explanation:

Because 36.05 x 25.05 = 903.0525

Hope I Helped :)

Answer:

ok here is the answer, i didnt copy.

Step-by-step explanation:

the answer is c because search it lol

. Predict how many tiles Figure 100 will
have? The rule is y=6x+5

Answers

In figure 100 there will be 605 tiles
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