Nick and Sally run on the 100m straight track,Nicks's speed is 3m/s,Sally's soeed is 2m/s.If they both start from two sides of the track, running towards each other continuously.Then they would meet each other ... times after 10 minutes

Answers

Answer 1

They would meet 30 times after 10 minutes.

Since Nick and Sally run on the 100m straight track, and Nicks's speed is 3m / s, while Sally's speed is 2m / s, if they both start from two sides of the track, running towards each other continuously, to determine how many times they would meet each other after 10 minutes the following calculation should be performed:  

30 x 20 + 2 x 20 = 60 + 40 = 100 10 minutes = 600 seconds 600/20 = X 30 = X

Therefore, they would meet 30 times after 10 minutes.

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Related Questions

PLEASE HELP 15 POINTS please give right answer​

Answers

Answer:

pretty sure it's D........

Beard bought 10 acres of land.She plans to divide the land into smaller lots that are each 1/20 of an acre.How many smaller lots will she have.

Answers

Answer:She will have:

N = 200 smaller lots

Step-by-step explanation: N = (total acres of land) / (smaller lots of land)

Substituting the values we have:

N = 10 / (1/20)

Rewriting we have:

N = 10 * 20

N = 200 lots

Solve the equation
6.4g + 8= 1.4g + 38
Find the Value of G
Explain how you can check that the value you found for g is correct. If your check does not​ work, does that mean that your result is​ incorrect? Explain.

Answers

Answer:

g=6

Step-by-step explanation:

6.4×6-1.4×6=

38.4-8.4=30

its true if it is not the result is incorrect

A car used 1/48 of a gallon of gas to drive 1/4 of a mile . At this rate , how many miles can the car travel using 1 gallon of gas

Answers

Answer:

12 miles

Step-by-step explanation:

Your car uses 1/12th of its entire gas to go a single mile. This means that you need to drive 12 miles to run out of gas.

You can set up a ratio with 1/48 = 1/4 and 1 = x. You want to find a value that you can multiply the first equation by to get the second (called a scalar multiple). In our case, this is 48. So you multiple (1/48) * 48, and (1/4)* 48 to get an answer of (48/4), or 12 miles.

what is the sum of the interior angles of a hexagon?

Answers

Hello!

So, every interior angle of a regular hexagon measures 120 degrees.

There are six interior angles of a hexagon, so you have to multiply 120 by 6.

120 x 6 = 720

So, the answer to your question is that the sum of the interior angles of a hexagon is 720 degrees.

Hope this helps!

You can represent the measures of an angle and its complement as x °and (90 - x). Similarly, you can

represent the measures of an angle and its supplement as x and (180 - x )º. Use these expressions to

find the measures of the angles described.

The measure of an angle increased by 24° is equal to the measure of its complement.

The measure of the angle is

Jº and the measure of its complement is

Answers

Answer:

33°90° -J°

Step-by-step explanation:

1)

If x represents the measure of the angle, its complement is 90-x. The problem statement tells us ...

  x +24 = 90 -x

  2x = 66 . . . . . add x-24

  x = 33 . . . . . . divide by 2

The measure of the angle is 33°.

__

2)

Using J for x in the given complement relation:

The measure of the complement of J° is (90 -J)°.

Given that the shape is a kite and Angle A=25, Angle C=85, what is Angle
D?

Answers

Answer:

m∠D = 165°

Step-by-step explanation:

∠B and ∠C are congruent, so ∠B = 85°

The angles of the kite all added together have to add up to 360°

85 + 85 + 25 + x = 360

195 + x = 360

x = 165

Answer:

m∠D = 165°

Step-by-step explanation:

∠B and ∠C are congruent, so ∠B = 85°

The angles of the kite all added together have to add up to 360°

85 + 85 + 25 + x = 360

195 + x = 360

x = 165

Khloee spent $55.23 on a 12 pound box of apples. How much did the apples cost per pound?​

Answers

Answer:

4.603/Lb

Step-by-step explanation:

$55.23 / 12 = 4.603/Lb

$55.23 / 12 = $4.60

use the midpoint formula to find the midpoint of the given segment on the coordinate plane

Answers

H(2,2) K(6,4)
(2+6/2) (2+4/2)
(8/2) (6/2)
Answer: (4,3)

Answer:

Midpoint : (4,3)

Step-by-step explanation:

midpoint = [tex](\frac{x_1+x_2}{2} ,\frac{y_1+y_2}{2} )[/tex]

Where the x and y values are derived from the given points.

We are given points H and K which are at (2,2) and (6,4)

We have (x1,y1) = (2,2) so x1 = 2 and y2 = 2

As well as (x2,y2) = (6,4) so x2 = 6 and y2 = 4

To find the midpoint we simply plug in the values of x and y into the formula

Recall the formula [tex](\frac{x_1+x_2}{2} ,\frac{y_1+y_2}{2} )[/tex]

x1 = 2 , x2 = 6 , y1 = 2 and y2 = 4

plug in these values into the formula

[tex](\frac{2+6}{2} ,\frac{2+4}{2} )[/tex]

add top values: 2 + 6 = 8 and 2 + 4 = 6

[tex](\frac{8}{2} ,\frac{6}{2} )[/tex]

simplify fractions : 8/2 = 4 and 6/2 = 3

The midpoint is at [tex](4,3)[/tex]

16 liters to fraction

Answers

Answer:

16 liters to a fraction would be 4.2 or 4 1/5

Step-by-step explanation:

16 liters = 4.22675 gallons

4.2 gallons = 4 1/5 gallons

1000 L= 1 KL

16 L = 0.016 KL

(Divide 16 by 1000 to convert.)

If the magnitude of vector u is ||u||=7.81 and its angle of direction is 129.81°, which graph represents vector -u?

Answers

Answer:

  see attached

Step-by-step explanation:

The vector -u will be in the opposite direction of u. The magnitude is 7.81, but the angle is 129.81° -180° = -50.19°. A graph of it is attached.

_____

The (x, y) components are ...

  7.81(cos(-50.19°), sin(-50.19°)) ≈ (-5.00, -6.00)

What is the percent decrease of the price of a bicycle if the original price was $120 and the sale price is $80?

Answers

Answer:

33.3%

Step-by-step explanation:

1. Formula: difference/original

2. 120 - 80 = 40

3. 40/120

4. 1/3

5. 1/3 = 33.3%

A number w is greater than-3 ​

Answers

Answer:

w>-3

Step-by-step explanation:

D= 9/5C + 32, If the temperature is -15 degrees Celsius, what is the temperature in Fahrenheit degrees

Answers

Answer:

5

Step-by-step explanation:

plug in the numbers (-15x9/5)+35 PEMDAS.

i need helpppppp jsjfisisocjkdiwkdbgjc

Answers

Answer:

Triangle

sum of interior = 180

one interior = 60

all triangles will have a sum of 180

and since there are only three angles in a triangle that means 180/3 = 60 degrees will be in one angle.

Graph
Y-7=-3/5-(x+2)

Answers

Answer:

See attached

Step-by-step explanation:

A simpler form of the same equation is:

y = -4 +(4+2/5)

Teresa will rent a car for the weekend. She can choose one of two plans. The first plan has an initial fee of $59 and costs an additional $0.08 per mile driven, The second plan has an initial fee of $48 and costs an additional $0.10 per mile driven. For what amount of driving do the two plans cost the same? Omiles What is the cost when the two plans cost the same? $0​

Answers

Answer:

1. 550 miles

2. $103

Step-by-step explanation:

y = total rental cost

m = initial fee

x = cost per mile

n = number of miles

Plan 1: y = m + xn = 59 + 0.08n

Plan 2: y = m +xn = 48 + 0.10n

Q1. if total cost is the same : 59 + 0.08n = 48 + 0.10n >>> 0.02n = 11 >>> n = 550

Q2. y = m + xn = 59 + 0.08n = 59 + 0.08(550) = 103

Rafael runs 7 miles in 60 minutes. at the same rate, how many miles would he run in 24 minutes

Answers

Answer:

2.8 miles

Step-by-step explanation:

Speed of Rafael = 7 miles / 60 min = 7/60 miles/min

Time for next run = 24 min

Length of the next run = 7/60 miles/min *24 min = 2.8

Hot Dog!
Moderate
Previous
If it costs a total of $9 to buy 1 hot dog and 2 bottles of water and it costs a total of $22 to buy 3 hot dogs and 4
bottles of water, how much does a single bottle of water cost?

Answers

Answer:

$2.50

Step-by-step explanation:

1h + 2w = 9

3h + 4w = 22

Multiply the first expression x 3

3h + 6w = 27

Subtract the 2 equations

3h + 6w = 27

3h + 4w = 22

2w = 5, w = 2.5

6.4 divided by 43.52

Answers

Answer:

0.14705882352

Step-by-Step:

Just use a calculator and your answer should pop up.

Please help!!! Which system of inequality’s is shown below???!!! Use picture below to help you! ;)

Answers

Answer:

b

Step-by-step explanation:

...

What number could replace n?
6/12 = 2/n
n = ___

Answers

n = 4

Since you divide 6 by 3 to get 2, you divide 12 by 3 and you get 4.

Answer: 4

Step-by-step explanation: This problem is already set out as a proportion. you can cross multiply 6 times n which gives you 6n. Then 12 times 2 which gives 24.

Now you have 6n = 24. You can divide right away, or think of a number when you multiply into 6 gives you 24. Its obvious the answer is 4 because 6 x 4 = 24.

Check:

6/12 = 1/2

2/4 = 1/2

Hope this explanation helps.

A construction team is going to Guatemala to help a missionary build a church building. The construction team will be there for 24 days, which is 50% more days than they need to complete construction. How many days will they need to complete the church building

Answers

Answer:

72

Step-by-step explanation:

50% means ½ of the usual days,

if 50% = 24 days

then the usual day is 48 days

so, 48+24= 72

Find the answer:
2(-5-3)

Answers

Answer:

-16

Step-by-step explanation:

start with brackets

-5-3 = -8

2(-8)

= -16


A worker's wages w, are a function of the number of hours h worked at a rate of $10 per hour.

Answers

Answer:

w+h+10=10wh

Step-by-step explanation:

CAN SOMEONE HELP ME PLEASE ASAP!?

Answers

Answer:

45/10 =4.5

4.5 x 7 = 31.5

Hight = 31.5

Answer:

B.

Step-by-step explanation:

Since they are equal do.

45 divided by 10

which equals 4.5.

So the image is being reflected by a 4.5 times bigger scale.

So then you do,

7 x 4.5

which is 31.5.

a hiking trail at a state park is 8.4 miles long a park ranger wants to place signs at the beginning and end of the trail and along the trail so that the signs are 1.4 miles apart how many signs will the ranger need?

Answers

Answer:

the ranger will need 6 signs

Step-by-step explanation:

Graph the function f(x)=3/2x-4. Use the line tool and select two points to graph.

Answers

Answer:

Slope = 3/2

y-intercept = -4

x  |  y

0  -4

2   -1

Step-by-step explanation:


Look at picture this is so hard pls help

Answers

Answer:

D) 8

Step-by-step explanation:

What the problem is asking you to do is multiply the two expressions and substitute x=3 into the product.

[tex]f(x)=2^x[/tex]

[tex]g(x)=2x-5[/tex]

[tex](f*g)(x)=f(x)g(x)=(2^x)(2x-5)[/tex]

[tex](f*g)(3)=f(3)g(3)=(2^3)(2(3)-5)=(8)(6-5)=(8)(1)=8[/tex]

Therefore, the correct answer is D

Help help help help math

Answers

area=147 cm squared

7 x 7 = 49

49 x 3 = 147

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