Mathematics High School

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IMC-2021-25
Thomas has constant speeds for both running and walking. When a down-escalator is moving. Thomas can
run down it in 15 seconds or walk down it in 30 seconds. One day, when the escalator was broken (and
stationary), it took Thomas 20 seconds to run down it.
How long, in seconds, would it take Thomas to walk down the broken escalator?
30
40
45
50
60

Answers

Answer 1

Thomas walks down the stopped escalator in 30 seconds

Time Remaining15:48m:sPreviousIMC-2021-25Thomas Has Constant Speeds For Both Running And Walking. When

Related Questions

What is the slope of the line y=8?

Answers

Answer:

undefined or 0

Step-by-step explanation:

Answer:

The answer is 0 because undefined is straight up or vertical

What is the perimeter of a square with a length of 19 meters?

Answers

The answer is b 38cm

Answer:

76 m

Step-by-step explanation:

If each side has a length of 19 m, then the perimeter is 19m*4 = 76 m

What operation would you use to solve: x+7=10

Answers

Answer:

x=3

Step-by-step explanation:

x+7=10

x+7-7=10-7

x=3

Answer:

You would use subtraction

Step-by-step explanation:

To get 7 away, you need to subtract it

How many ounces are equal to 7 pounds?

Answer: 112 ounces

Answers

Answer:

Why did you7 ask a question then anwser it yourself

Step-by-step explanation:

what is the other endpoint of a segment with one endpoint at(-3, 8) and the midpoint at (7, 1)?​

Answers

Answer: The other point is (17, -6).

Step-by-step explanation:

Midpoint (x,y) of the line segment joining (a,b) and (c,d) is given by :-

[tex](x,y) =(\dfrac{a+c}{2}, \dfrac{b+d}{2})[/tex]

Here, we need to find the other endpoint of a segment with one endpoint at(-3, 8) and the midpoint at (7, 1).

Let other point be (a,b), then

[tex](7,1)=(\dfrac{-3+a}{2},\dfrac{8+b}{2})\\\\\Rightarrow\ \dfrac{-3+a}{2}=7\ \text{ and }\dfrac{8+b}{2}=1\\\\\Rightarrow\ -3+a = 7\times2 \text{ and } 8+b=1\times2\\\\\Rightarrow\ -3+a=14\text{ and }8+b=2\\\\\Rightarrow\ a=14+3, \ \ \ b= 2-8\\\\\Rightarrow\ a=17, b= -6[/tex]

hence, the other point is (17, -6).

3. A computer is priced at $65,000 plus value added tax at 15%. What amount does the computer actually cost the customer?

Answers

Answer:

$74,750

Step-by-step explanation:

Given that,

The cost of a computer = $65,000 + value added tax at 15%

We need to find the amount the computer actually cost the customer.

Total cost = Cost of computer + VAT at 15%

[tex]=65000+65000\times \dfrac{15}{100}\\\\=\$74,750[/tex]

So, the computer actually cost the customer is $74,750.

Which number would make this number sentence true? (3 + 2) x ? = 5 x 8

Answers

Answer:

8

Step-by-step explanation:

3+2=5

5 x 8 = 5 x 8

Answer:

8

Step-by-step explanation:

2 numbers are in perenticies so do them first 3+2 = 5 Then wait dont do nothing with that do 5x8 to get what to need to get 5 x? to witch is

40 so 8 would be the correct answer

can i plz get some help

Answers

1. 1 and 6, 2 and 5, 3 and 8, 4 and 7, 9 and 11, 10 and 12
2. 1 and 5, 2 and 6, 3 and 7, 4 and 8
3. Alternate interior angles
4. Not sure about this one
5. Alternate exterior angles
6. Vertically opposite angles
7. Interior opposite angles
8. Alternate interior angles
9. Corresponding angles
10.alternate exterior angles

a machine at a graphic design studio produces paper labels for juice bottles. This graph represents the number of labels produced over time.


Based on the graph, how many labels are produced per minute?

50 labels/minute
75 labels/minute
100 labels/minute
150 labels/minute​

Answers

Answer:

150 labels/ minute

Step-by-step explanation:

As you can see on the graph there is a point on (1,1 1/2)=150/1

Also 150*2=300 so it all makes sence

Pleasse Helppp Asapppp.

Answers

Answer:

77 degrees

Step-by-step explanation:

supplementary angles add up to 180 degrees

subtract 103 from 180 to get 77 degrees

What is the value of y

Answers

I did something like this but I forgot:(

Sam had 1 1-2 m of rope. He cut off 5-8 m and used it for the project. How much does Sam have left​

Answers

1 1/2 m and 5/8 meter need to have the same denominator in order to subtract.

1 1/2 is equivalent to 12/8
Now 5/8 and 12/8 have the same denominator so you can subtract.
12/8-5/8= 7/8
7/8 m is left

brianna caught 4 fish . gabi caught 8 times as many fish as brianna. which expression shows how many fish gabi caught

Answers

Answer:

multiplication

Step-by-step explanation:

brianna=4

gabi=8 x brianna

Find the slope of the line from a graph! Will Give brainliest :)

Answers

Answer:

-4

Step-by-step explanation:

because the line is going from top to bottom it is negative

you take the rise ( the Y value) / the run (the X Value)

the Y and X value can be pulled from any two points

Which statement best describes what happens when k is changed from 2 to – 3

Answers

where are the statements

Put the following equation of a line into slope-intercept form, simplifying all
fractions.
8x – 6y = 54

Answers

y = 4/3x - 9
Hiiiiiiiiii

look at screenshot and answer question

Answers

Answer:

32x +20

Step-by-step explanation:

Answer:

32x+20

Step-by-step explanation:

If you use distributive property you would multiply each number by 4. 4 times 8x is 32x and 4 times 5 is 20, and when you put those together you get 32x+20!

I hope this helps, and have a great day!

Lines l and m are parallel and a and b are parallel. Find the measure of angle 10 if measure of angle 1 is 62.

please help

Answers

well since the lines l and m are straight, their measures would be 180. So if you subtract 62 from 180 you'd get angle 2=118. since angles 2 and 10 are the same angle, 10 would also have a measure of 118

Basically ur answer is angle 10=118

A rectangular parking lot has an area of 1650 yd.² the length of the parking lot is 55 yards what is the width of the parking lot in yards

Answers

Answer:

The width of parking lot is 30 yards.

Step-by-step explanation:

Given that:

Area of rectangular parking lot = 1650 yards square

Length of parking lot = 55 yards

Width of parking lot = x yards

Area of rectangle is given by:

A = Length * Width

1650 = 55x

Dividing both sides by 55

[tex]\frac{55x}{55}=\frac{1650}{55}\\x=30[/tex]

Hence,

The width of parking lot is 30 yards.

If 6x+3y=−1 and
5x+y=8 are true equations, what would be the value of
−x−2y?

Answers

Answer:   9

x = 2.778

y = -5.889

-x -2y

= -2.778 - 2(-5.889)

= 9

How many kilometers are there in 4 miles?

Hint: 1 mi ≈ 1.6 km

Round your answer to the nearest tenth.

Answers

There are 6.4 Kilometers in 4 miles

pls anwer fast is due in 5min

Answers

Answer:

Taking my points

Step-by-step explanation:

You spammed my own question

if Maya drove 30 laps in six minutes how many laps did she drive in one minute

Answers

Answer:

5 laps in one minute.

Step-by-step explanation:

1. Divide 30, the number of laps, by 6, the number of minutes. So, for every 1 minute Maya drives on lap.

To be able to go on a trip to South America, Salma decides to save for 2 years. She opens a savings account with $700 . The account pays simple interest at an annual rate of 5% . She doesn't make any more deposits.

(a) How much total interest will Salma earn?

(b) What will the total amount in the account be (including interest)?

Answers

Answer:

(a) I'm pretty sure it's $71.75

(b) the total would be $771.75 if i calculated it right...

A line has the slope of 5/3
Which of the following points could this line pass through?
o (15, 13) and (0, 4)
(3,9) and (6, 14)
o (0, 4) and (19,9)
o (5, 7) and ( 10, 10)
1 2 3 4

Answers

Answer:

(3,9) , (6,14)

Step-by-step explanation:

9 + 5 is 14

3 + 3 is 6

Answer:(3,9) , (6,14)

Step-by-step explanation:

Let sin(2x)-sin(x)=0, where 0 ≤ x < 2pi. What are the possible solutions for x?

Answers

Step-by-step explanation:

sin2x - sinx = 0

2sinxcosx - sinx = 0

(Double Angle Formula)

sinx(2cosx - 1) = 0

Either sinx = 0 or cosx = 1/2.

When sinx = 0,

x = 0 or x = π.

When cosx = 1/2,

x = π/3 or x = 5π/3.

Hence the solutions are

x = 0, x = π/3, x = π or x = 5π/3.

Does anyone know this if you could help me I would appreciate it

Answers

Answer:

C, B

Step-by-step explanation:

Basically to find the slope you take the rise over run. How many squares does the line go up, over how many does it go left or right. As you can see in the diagram, it goes up 2 squares and goes left 1 square, giving the slope 2/1, which is 2.

The slope of a horizontal line is straight, which means it goes up 0, so automatically your answer is zero, because dividing anything by 0 is 0.

can you pls help me i really need help

Answers

Answer:

UMM SO IM NOT CERTIAN BUT IMMA DO MY BEST

Step-by-step explanation:

SO 1 WOULD BE: 12X1.5 AND THATS 18

AND 2 IS: 16X1818 AND THATS 29088

AND THREE IS: 28 DIVIDED BY 4 WHICH IS 7

AND THEN 4 IS: 32 DIVIDED BY 8 WHICH IS 4

PLS HELP ASAP I DONT HAVE TIME FOR THIS, IT ALSO DETECTS IF ITS RIGHT IR WRONG

Answers

Answer:

a

Step-by-step explanation:

Complete each statement with a number that makes the statement true.



_____ < 7°C



Do not include units (°C) in your answer.



copied for free from openupresources.org


Select one:
15
8
4
10

Answers

Answer:

4

Step-by-step explanation:

the answer is: 4

cause 4 is less than 7

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