For every 14 litres of petrol a car can run for 70 km. How much petrol do you need (to 1 DP) to ensure the car has enough petrol of a trip that is 126 km

Answers

Answer 1

Answer:

25.2

Step-by-step explanation:

14litres : 70 km

     ?     : 126km

126/70 = 1.8

14 x 1.8 = 25.2

25.2 litres of petrol

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Answer 2

Answer:

25.2 litres

Step-by-step explanation:

using proportion

let the amount of petrol we are searching for be x

14litres/xlitres =70km/126km

cross multiply

70x=126×14

70x =1764

x=1764/70

x=25.2litres


Related Questions

The soccer field at a park is 9000 square yards. The soccer field takes up 6 2/5 square inches on the map of the park. How many square yards does 1 square inch on the map represent? show your work

Answers

Answer: 1406.25 or 1406 1/4

Step-by-step explanation:

From the question, we are informed that a soccer field at a park is 9000 square yards and that the soccer field takes up 6 2/5 square inches on the map of the park.

To calculate how many square yards does 1 square inch on the map represent, we divide 9000 by 6 2/5. This will be:

= 9000 ÷ 6 2/5

= 9000 ÷ 6.4

= 1406.25 or 1406 1/4

1 square inch on the map represents 1406.25 square yards.

Answer: 45,000 / 32 or 1,406 and 1/4

I dont feel like doing the work all over again

Find the value of:
a) x2 when x = 6

Answers

If [tex]x = 6[/tex] then, [tex]x^2 \\ (6)^2 \\ 6 \times 6 \\ 36[/tex].

36

Answer:

36

Step-by-step explanation:

x^2

(6)^2

(6)(6)

36

2x — бу = 12
х+ 10 = — 9

Answers

Answer:

x = -19; y = 25/3

Step-by-step explanation:

Step 1: solve the equation with only one variable

Isolate the variable (x)

x + 10 = -9

x = -9 - 10

x = -19

Step 2: input new information into the other equation

If x = -19, then:

2(-19) - 6y = 12

Isolate the variable (y)

-38 - 6y = 12

-6y = 12 + 38

-6y = 50

y = 50 ÷ 6

y = 50/6

Simplify

y = 25/3

The equation w = 250 + 132.5t what are 2 solutions to the equation

Answers

Answer:

Step-by-step explanation:

Given:

w = 250 + 132.5t

The two possible solution to the equation includes

1. If the value of w is given, the w value will be substituted in the equation to find the value of t

2. If the value of t is known , the value of t will be substituted in the equation to find the value of w

That is,

w = 250 + 132.5t

132.5t = w - 250

t = (w - 250) / 132.5

Joe has 10 marbles. Ken has a fewer Marbles Than Joe. Which inequality represents the number of marbles M has?

Answers

10 > m

if joe has 10, the less than sign is >. if m represents the number of marbles ken has, the solution should be 10>m

4х +6x please help me ​

Answers

Answer:

10x

Step-by-step explanation:

Since 4x and 6x are like terms you add the numbers as normal then put the x behind it. So it would be 4 + 6 = 10. Now add the x. 10x

PLEASE HELP!!

Marcus works at a coffee shop. He earns $10.25 each hour. Use marcus's time sheet for the week to answer the questions.

1. How many hours did Marcus work for the week?

2. How much money did Marcus earn for the week?

Answers

He worked 31 hours
He earned $317.75

The total money earned by Marcus in the week is $315.1875.

Given that, Marcus works at a coffee shop. He earns $10.25 each hour.

What are decimal numbers?

Decimals are one of the types of numbers, which has a whole number and the fractional part separated by a decimal point. The dot present between the whole number and fractions part is called the decimal point.

1) Number of hours =

6.15+7.15+6+6.45+5 =30.75

2) Money earned in the week

= 30.75×10.25

= $315.1875

Therefore, the total money earned by Marcus in the week is $315.1875.

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I started cooking at 4:55pm. I finished cooking at 6:18pm. How long did I cook?

Answers

Answer:

1 hour and 23 minutes

Step-by-step explanation:

Answer:

the answer is 123

I think

can i please get some help

Answers

Answer:

3, 1, -1, -2, -3, -3, -1

Step-by-step explanation:

I used the rule they gave up top. Hope this helps :)

Answer:

Step-by-step explanation:

y=|x-2|-4

the absolute of any number is positive

x         -5              -3          -1      0      1           3               5

y          3               1            -1     -2     -3         -3               -1

How many minutes are in m hours?

Which expression represents this?


60 + m miles
60/m minutes
60m minutes

Answers

60 m minutes please make brainliest

Answer:

60m minutes (the bottom one)

Step-by-step explanation:

When the letter is touching the number it means multiply so it would be 60 times m

14 > -2n + 4; n = -5
help

Answers

Answer:

This is incorrect, since 14 is not greater than 14

Step-by-step explanation:


The scale shows the mass of 1 crayon, in grams. What is the total mass of a
whole set of 18 crayons?

Answers

Answer:

144 grams

Step-by-step explanation:

Each crayon weighs 8 grams

8*18= 144

(13x+12)=129 I need help fast thanks

Answers

Answer:

x = 9

Step-by-step explanation:

The 2 angles are equal because of Corresponding Angles.

Step 1: Set up equation

(13x + 12) = 129

Step 2: Solve for x

Subtract both sides by 12: 13x = 117Divide both sides by 13: x = 9

Which refers to the density of the medium's particles at the compression of a sound wave?
O amplitude
O pitch
O volume
O wavelength

Answers

Answer:d

Step-by-step explanation:I took the quiz

The property that refers to the density of the medium's particles at the compression of a sound wave is the amplitude of the wave.

What is Sound?

The vibration that propagates as an acoustic wave, through a transmission medium such as a gas, liquid or solid.

amplitude of the wave is the property which represents the density of the medium's particles at the compression of a sound wave.

The maximum displacement of the particles in the medium from their rest position as the wave passes through them is the amplitude of the wave.

Amplitude refers the maximum pressure variation of compression and rarefaction that the sound wave creates in the medium.

Hence,  property that refers to the density of the medium's particles at the compression of a sound wave is the amplitude of the wave.

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2(x + 5) = 1/2 (x - 4)

Answers

Answer: -8

Hope this helps :)

Please mark me as Brainliest

what is 4.75=X+60.25)

Answers

Answer:

x=-55.5

Step-by-step explanation:

Find the equation of the line that contains the point (3,-4) and is perpendicular to the line x = 5. Write the line in slope-intercept form, if possible. Graph the lines. Select the correct choice below and fill in the answer box to complete your choice. A. The equation of the perpendicular line in slope-intercept form is__ B. The equation of the perpendicular line cannot be written in slope-intercept form. The equation of the perpendicular line is__​

Answers

Answer:

Using the ordered pairs (-2, 4) and m= -3 provide the following information: Point - Slope form: or Slope Intercept form : Standard forma

X intercept: Y interce

Step-by-step explanation:

The required equation of the line that is perpendicular to the line x = 5 is y = 4.

Given that,
To determine the equation of the line that contains the point (3,-4) and is perpendicular to the line x = 5.


What is the equation?

The equation is the relationship between variables and is represented as y =ax +b is an example of a polynomial equation.

Here,

Slope of the given line x = 5 is m = 1 / 0
Now, the slope of the line perpendicular to the line x = 5 can be given as M,
Now,
Mm= - 1
M * 1 / 0 = 0  (since m = 1 / 0)
Here, the line passes through the point (-3, 4) and the slope is m = 0,
Since the equation of the line,
y - 4 = 0 (x + 3)
y - 4 = 0
y = 4

Thus, the required equation of the line that is perpendicular to the line x = 5 is y = 4.

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If you buy cheese and you buy 8oz for 1.60 how much is 1oz

Answers

Answer:

20 cents for 1oz

Step-by-step explanation:

find the rate

1.6/8=0.2

so 20 cents

A veterinarian is changing the diets of two animals, Simba and Cuddles. Simba currently consumes 1,520 Calories per day. That number will increase by 130 Calories each day. Cuddles currently consumes 3,380 Calories a day. That number will decrease by 180 Calories each day. The patterns will continue until both animals are consuming same number of Calories each day. In how many days will that be? How many Calories will the animals be consuming each day then? In days Simba and Cuddles will be consuming the same amount of calories. Simba and Cuddles will be consuming calories each day.

Answers

Answer:

6 days ; 2300 calories

Step-by-step explanation:

Given the following :

Current consumption :

Simba = 1520 calories per day

Increases by 130 calories per day : After d days ;

S(d) = 1520 + 130d

Where ; d = number of days

Cuddle = 3380 calories

Decreases by 180 calories each day; after d days ;

S(d) = 3380 - 180d

Pattern continues until they both consume same number of calories each day

S(d) = C(d)

1520 + 130d = 3380 - 180d

130d + 180d = 3380 - 1520

310d = 1860

d = 6

Number of calories they will be consuming them ;

Using : S(d) = 3380 - 180d

S(6) = 3380 - 180(6)

S = 3380 - 1080

S = 2300

They will be consuming 2300 calories by then.

a scuba diver is 120 feet below the water surface. she ascends 83 feet. what is her current depth? write an addition equation and then solve. interperet the sum

Answers

Answer:

If she is 120 feet below the surface she is -120 feet below the surface. If she goes up by 83 feet she will be 37 feet below the surface. Therfore the answer is -37 feet.

The current dept is 37 feet below the water surface.

What is negative sign?

A negative sign or minus sign is a mathematical symbol to represents the subtraction between to numbers. It is also used to represent a negative numbers.

The negative or minus sign also indicates movement in the opposite direction on a number line.

According to the given question

Scuba diver is 120 feet below the water surface.

On number line 120 feet below is  represented by -120.

She ascends 83 feet means , she goes up 83 feet up

So, the current depth is calculated as

-120feet + 83feet

= -37 feet.

The negative sign represent that Scuba is 37 feet below the water surface.

Hence, the current dept is 37 feet below the water surface.

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Please I don’t understand this plz answer in detail

Answers

Answer:

Basically if you look at the lemonade the bar stops at 12

and for the water the bar stops between 6 and 8 which is 7

and the question says how many more which is minus so

The number of lemonades - the number of water sold=

12-7=5

Answer:

Lemonade sold 5 more than water

Step-by-step explanation:

The question is asking of the difference between lemonade and water that were sold. The graph shows us that 7 water was sold and 12 drinks of lemonade were sold. Since we're finding the difference, the equation would be 12-7, which equals to 5.

A rectangular flowerbed has a length of 8.03 metres and a width of 2.93 metres.

a) Work out an estimate of the area of the flowerbed.

b) Work out an estimate of the perimeter of the flowerbed.

please help me, i really need it​

Answers

Area = 23.5279 m
Perimeter = 21.92 m
Round as needed.
Your teacher might want you to round to round before the math because it says it’s an ESTIMATE in which case
Area = 24 m
Perimeter = 22 m

8.03 x 2.93 = 23.5279
2 x 8.03 + 2 x 2.93 = 21.92

QUESTION 4
A test was administered in a health class. The scores have a mean of 75 with a standard deviation of 4.8. Pat scored an 83 on the test. How
does Pat's score deviate from the mean on the standard scale?

Answers

Answer:

Pat's score is 1.67 standard deviation above the mean

Step-by-step explanation:

We solve using z score formula

z score tells us how much a score deviates from the mean

The formula for calculating a z-score is is z = (x-μ)/σ,

where x is the raw score

μ is the population mean

σ is the population standard deviation.

x = 83

μ = 75

σ = 4.8

z score = 1.66667

Therefore, Pat's score is 1.67 standard deviations above the mean

Use the mass and volume data to calculate the density of lead. Mass of lead = 567.5 g Volume of lead = 50.0 What is the density of lead?

Answers

Answer:

11.35 g/mL

Step-by-step explanation:

D = m/v

D = 567.5 g ÷ 50.0 mL (I assume its measured in mL)

D = 11.35 g/mL

Answer:

11.35

Step-by-step explanation:

What is the best estimate of the sum of the fractions? StartFraction 31 over 4 EndFraction + StartFraction 17 over 3 EndFraction + StartFraction 8 over 18 EndFraction 12 and one-half 13 14 and one-half 15

Answers

Answer:B

Step-by-step explanation:

Answer:

Its B trust me

Step-by-step explanation:

Got it right on EDGE 2022

What is

22=4x+2

do it algebraically

Answers

Answer:

5

Step-by-step explanation:

22=4x+2

-2 -2

20/4 = 4x/4

5 = x

x =5

A grocery store advertises that 15 cups of granola cost $6.75. Which are equivalent prices? Check all that apply.

Answers

Answer:

A. 2 cups for $0.90

C. 8 cups for $3.60

E. 19 cups for $8.55

Step-by-step explanation:

I just did it , hope I helped ! :)

Answer:

The person above me is correct!!

Step-by-step explanation:

PLEASEEEE HELP ASAP i’ll mark brainliest !!! SHOW YOUR WORK

Answers

Answer:

a- (x-7)(x+9) | b- 193*207 | c- 242*258

Step-by-step explanation:

a)

x^2+2x-63.

the middle number is 2 and the last number is -63.

You would have 2 numbers that add to 2 and multiply to -63.

Those numbers are -7 and 9.

so (x-7)(x+9).

b)

((200)-7)((200)+9)

(193)(209).

You can check this by multiplying 193 by 209 and then doing (200)^2+2(200)-63. Both would equal 40337.

c)

2(x-7)+2(x+9)=1000

(2x-14)+(2x+18)=1000

4x+4=1000

4x=996

x=249.

((249)-7)((249)+9)

(242)(258)

A line has slope
13/4
and passes through the point (-1, -1).
By substituting into the equation y = mx + b, find the value of b for this line.

Answers

y = mx+b
-1 = 13/4 (-1) +b
-4/4 + 13/4 = b
9/4 = b

Can i get some help with this im kinda confused

Answers

Answer: -22, -28 -34

Step-by-step explanation:

Subtract 6 from every number

Answer:

We subtract 6 each time

-22,-28,-34

Step-by-step explanation:

8,2,-4,-10,-16

8-2 = 6

We subtract 6 each time

2-6 = -4

-4-6 = -10

So it is verified

-16-6 = -22

-22-6 = -28

-28-6 = -34

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