Mathematics High School

Khaya is delivering groceries to his mother who stays 8km from the shop. How long will it take him to cover this distance if he drives at an average speed of 65km/h? Give your answer rounded to the nearest minute.​

Answers

Answer 1

Answer:

7.385 minutes

Step-by-step explanation:

Given that :

Average speed = 65km/hr

The distance covered = 8km

The time taken Given the information above :

Recall:

Speed = distance / time

Time taken = distance / speed

Time taken = 8km / 65km/hr

Time taken = 0.1230769 hr

Time taken = 0.1230769 * 60 = 7.385 minutes

Answer 2

The time taken to cover this distance is 7.3848 minutes

What is speed?

Speed is the change of an object's distance within a specified period of time.

Mathematically, speed can be calculated by using the relation:

Speed = distance/time

From the given information:

The average speed = 65 km/hThe distance = 8 km

From the above formula, we can make the time the subject of the formula:

Speed = distance/time

By cross multiplying

Time = distance/speedTime = 8 km / 65 km/hTime = 0.12308 hour

We all know that:

60 seconds = 1 minute60 minutes = 1 hour

Thus, time(t) = (0.12308 × 60) minutes

Time(t) = 7.3848 minutes

Learn more about speed here:

https://brainly.com/question/4931057

Related Questions

The shape of a patio is triangle without hight of 8 ft and base of 17 ft what is the cost of out door carpeting to cover the patio of the carpeting costs 6.50 per ft

Answers

Answer:

$442

Step-by-step explanation:

Given :

Height of patio, h = 8ft

Base of patio = 17 ft

Cost of carpeting = $6.50 per ft²

Area of triangular patio :

Area = 1/2 * base * height

Area = 0.5 * 17 * 8

Area of patio = 4 * 17

Area of patio = 68 ft²

Cost of carpeting :

Area of patio * contains st per ft²

68 * 6.50

= $442

5k + 30 = -20 - 5k
Solve for K.

Answers

5k + 30 = -20 - 5k

5k + 5k = -20 - 30

10k = -50 / : 10

k = -5

Answer:

-5 = k

Step-by-step explanation:

5k + 30 = -20 - 5k

5k + 30 + 20 = 5k + 50

-20 - 5k + 20 = -5k

5k + 50 = -5k

5k + 50 - 5k = 50

-5k - 5k = -10k

50 = -10k

50 / -10 = -5

-10k / -10 = k

-5 = k

What’s the missing term ?

Answers

if the pattern continues, I believe it would be 2x.

the length of a rectangle is 2 inches less than 3 times it width . The perimeter of the rectangle is 124 inch. WHat is the length of the rectangle

Answers

Step-by-step explanation:

let w = width

length = 3w-2

perimeter = 2*length + 2*width

perimeter = 2(3w-2) + 2w

perimeter = 6w - 4 + 2w

perimeter = 8w - 4

perimeter = 124 inch

8w - 4 = 124inch

+4 to each side

8w = 128inch

divide each side by 8

w = 16

length = 3w-2

           = 3(16) - 2

length = 46 inch

Find the perimeter of a triangle with sides that measure 2.7km,3.3km,4.3km

Answers

Answer:

10.3 km

Step-by-step explanation:

Perimeter = side1 + side2 + side3

side1  = 2.7 km

side2 = 3.3 km

side3 = 4.3 km

Perimeter = 2.7 + 3.3 + 4.3

Perimeter = 10.3 km

Its 10.3k i hope u got it

how do you write 7 a mixed number in the simplest form

Answers

What does this even mean?

A Camera has a list price $560.99 before tax if the sales tax rate is 7.75% find the total cost of the camera wit sale tax included round your answer to the cent

Answers

Answer:

$604.47

Step-by-step explanation:

Given data

Cost of camera= $560.99

Tax= 7.75%

Let us find the amount of the tax

=7.75/100* 560.99

=0.0775*560.99

=$43.48

Hence the amount of the tax is $43.48

Therefore the total cost is

=43.48+560.99

=$604.47

can some one help me with this

Answers

Answer:

Actually i don't know what is the wanted but now

i will find the total of the teenagers.

Step-by-step explanation:

[tex] \frac{4000}{45\%} = \frac{x}{100\%} \\ x = \frac{4000 \times 100}{45} \\ x = 8889 \: \: teenagers[/tex]

I hope that is useful for you :)

Answer:

this is tating the plant

(-2) elevado a -4 respuesta porfavor

Answers

Answer:

16

Step-by-step explanation:

-2 to the 4th power is expressed as;

= (-2)^-4

= -2 × -2 × -2 × -2

= (-2×-2)×(-2×-2)

= 4×4

= 16

Hence -2 to the 4th power is equal to 16

Simplify.
(3-2i)(-5)

Answers

Answer:

2i-15

......................

I WILL GIVE BRAINLIEST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

IF YOU SEND ONE MORE LINK AGAIN I WILL REPORT YOU!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

h(x) =-(x+5)^3

Step-by-step explanation:

Find x. Round your answer to the nearest tenth of a degree

Answers

Answer:

tan^-1(36/24)= 56.3° the answer to the question

What is the value of x?

x = 25

x = 180

x = 135

x = 20

Answers

Answer:

x=20

Step-by-step explanation:

Since all the angles in any give triangle adds up to 180, we can make an equation from this geometry question. x+5+7x-5+x=180 (Adding all the angles). If you simplify this, it becomes 9x=180, or x=20.

ASAP NEED HELP DUE TMR

Answers

The mean is 58 the median is 15.5

Please, please, please help?
Simplify: 12(x^-4)^2 / 4(x^-2)^-3

Answers

Answer:

3/x^14

Step-by-step explanation:

Answer:

3x⁻¹⁴ or 3/x¹⁴

Step-by-step explanation:

12(x⁻⁴)² / 4(x⁻²)⁻³ =12/4 × x⁻⁸/x⁶ =3x⁻⁸⁻⁶ =3x⁻¹⁴ or 3/x¹⁴

which is a multiple of 3​

Answers

Answer: you forgot a picture but here are some

Step-by-step explanation:

6, 9, 12, 15 ect

Solve for each question.

Answers

Answer:

PN = 30

PNM = 90 degrees

PNL = 90 degrees

hope i helped you

Step-by-step explanation:

Please help!!!! Will Brainlist 30 points!!!

Answers

Answer:

135 degrees

Step-by-step explanation:

Answer:

It's C) 135

Step-by-step explanation:

You do 180-45 to get your answer. With questions like these or ones ab triangles the whole would be 180 and you add or subtract to get your answers

HELP PLZ!!!
A chord is a diameter.

-always
-sometimes
-never

Answers

Answer:

always hope this helps :)

Step-by-step explanation:

Step-by-step explanation:

sometimes would be your answer<3

The answer is sometimes, but this is only when the chord passes through the centermost point on the circle.

Help with graph pleaseeee​

Answers

Graph a= undefined /graph b =-1/ graph c= 1/3 graph d = 0

The regular price of a brand new pair of shoes is $72. When using a coupon the price went down to $54. What was the percent off on the coupon used?

Answers

it was 18% off coupon

Write 3-5 sentences about the process of GCF Factoring Method

Answers

Answer:

Factoring out the GCF is the first step in many factoring problems. Step 1: Determine the greatest common factor of the given terms. The greatest common factor or GCF is the largest factor that all terms have in common. Step 2: Factor out (or divide out) the greatest common factor from each term.

Step-by-step explanation:

HELP I NEED IT NOW THANKS

Answers

X represents the price
Y represents the percentage of the price
Hope this helps

Patti starts out on day 1 with $0.01 and doubles her money each day to create a sequence of $0.01, $0.02, $0.04, $0.08 and so on. How much money should she have on day 12 ?
A. $9.60
B. $10.24
C. $20.48
D. $40.96

Answers

Answer:

D.40.96

Step-by-step explanation:

1-.01×2=.02

2-.02×2=.04

3-.04×2=.08

4-.08×2=.16

5-.16×2=.32

6-.32×2=.64

7-.64×2=1.28

8-1.28×2=2.56

9-2.56×2=5.12

10-5.12×2=10.24

11-10.24×2=20.48

12-20.48×2=40.96

Scores on a national math test are Normally distributed, with a mean score of 490 and a standard deviation of 50. Which test score represents the top 20%, rounded to the nearest whole number?

Find the z-table here.

426
448
532
554

Answers

Answer:

532

Step-by-step explanation:

The score that represents the top 20% = A score = 80%

Z score for 80% percentile = 0.842

We solve using the z score formula

z = (x-μ)/σ, where

x is the raw score = ??

μ is the population mean = 490

and σ is the population standard deviation = 50

Hence:

0.842 = x - 490/50

Cross Multiply

0.842 × 50 = x - 490

x = 0.842 × 50 + 490

x = 42.1 + 490

x = 532.1

Approximately = 532

Therefore, the test score = 532

Answer:

532

Step-by-step explanation:

edg 2020-2021



A package of twelve cans of black beans cost $6.84. What is the cost of 5 can of black
beans?
$8.77
$0.57
$2.85
$16.42

Answers

Answer:

$2.85

Step-by-step explanation:

Answer:

0.57

Step-by-step explanation:

no prob

11. The population of 1,000 unicorns is decreasing by 8% every year.
What is the independent and dependent variables of this situation?
A. Independent - Population; Dependent - years
B. Independent - Years; Dependent - population

Answers

A is the answer because year is X AND population is Y because for the population to go down or up time has to pass. Population is dependent on years.
A is the correct answer

What is the surface area of the shape in the diagram?
7 cm
6 cm
12 cm
4 cm

Answers

You need photos of the assignments/ question

Bonnie's doctor recommended that she drink 2cups of milk per day. If she buys 3 quarts of milk,will it be enough milk to last 1 week?

Answers

Answer:

She does not have enough milk to last for 1 week

Step-by-step explanation:

From the question, we are told that:

Bonnie's doctor recommended that she drink 2cups of milk per day.

Step 1

The number of days in a week is 7 days

Hence

1 day = 2 cups of milk

7 days = x

Cross Multiply

x = 7 × 2 cups of milk

= 14 cups of milk.

Step 2

If she buys 3 quarts of milk,will it be enough milk to last 1 week?

We have the conversion rate as:

1 quart = 4 cups

Therefore,

1 quart = 4 cups

3 quarts = x cups

Cross Multiply

x cups = 3 quarts × 4 cups/1 quart

x cups = 12 cups of milk

This means she bought 12 cups of milk.

Therefore, from the above calculation, she does not have enough milk to last for 1 week because due to her doctor's recommendation, she need 14 cups of milk for the week but she only bought 12 cups of milk

Answer:

70

Step-by-step explanation:

68+2

Translate to word form:
x + 29

1. the total of x and 29
2. x times 29
3. 29 less than x

Answers

1. The total of x and 29.

This is because we see addition going on, so x+29 is the total of something


Hope this helps :)
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