Aline and Mihai drive to work. Aline drives 54 miles in 2.25 hours. Mihai drives 68 km in 2 hour 30 min. Work out the difference between their average speeds in km/h. 1 mile = 1.6 km

Answers

Answer 1

Answer:11.2

Step-by-step explanation:

Answer 2

Answer:

11.2

Step-by-step explanation:


Related Questions

Please help you don’t need to show work

Answers

Answer:

106 degrees

Step-by-step explanation:

Answer:

106

Step-by-step explanation:

Create a polynomial that has 10 roots.

Answers

Answer:

(x – 3)(x + 5)(x + ½) = (x2 + 2x – 15)(x + ½) = x3 + 2.5x2 – 14x – 7.5

Simultaneous equations:
1) 3x + 2y = 23
2x - y = 6

2) 3x - 3y = 9
2x + y = 12

3) 4x + 2y = 34
3x + y = 21

(if you could answer with workings out that would be great)​

Answers

Answer:

1)x=5 y=4

2)y=2 x=5

3)y=12 x=3

Step-by-step explanation:

hope that helps!

!!!!!!!!!I AM CRYINGGGG!!!!!! PLZZZZ
PLEASEE HELP ME!!! *SEE Image!! Even is it's just 1 question but please!!! (#2 I really need!)!!!!!!

Answers

Answer:

-x^2-2x-3

Step-by-step explanation:

Question 1: Just substitute in the values of f(x) and g(x) and simplify!

f(x) - g(x) = 4x^2-5x+3-(5x^2-3x+6)f(x)-g(x) = 4x^2-5x+3-5x^2+3x-6f(x)-g(x) = -x^2-2x-3

Tell me if this helps, and if you still need number 2 or if you can do it by yourself! (Hint: substituting also plays a role in question number 2.)

Hope this helps!!

-2j - 10 = -6 She calculated j = 8

Is this correct or incorrect?

Answers

Answer:

incorrect

Step-by-step explanation:

this is incorrect because i solved it and i didn't got that answer

hope this helps:)

Pls mark brainlist

Answer:

Incorrectj = -2

Explanation:

-2j - 10 = -6

Add 10 To Both Sides

−2j − 10 + 10 = −6 + 10

−2j = 4

Divide Both Sides By -2

-2j / -2 = 4 / -2

j = -2

what equation to solve for x choose all that apply​

Answers

Answer:

I think 4( 129-58 = z)

Step-by-step explanation:

Hope it helped


A fish is 12 feet below the sea level. A bird is 28 feet above sea level. If the bird is directly
above the fish, how far apart are they?

Answers

Answer:

they are 40 feet apart!

Step-by-step explanation:

hopes this helps!!>_<

Answer:

40 Feet Apart

Step-by-step explanation:

Since the fish is 12 below sea level and the bird is 28 above sea level you just add both their distances together.

The total rainfall for the year is expected to be 57.8 inches. If it has already rained 32.95 inches, how many more inches of rain are expected?

Answers

Answer:

Step-by-step explanation:

57.8 - 32.95 = 24.85

24.85 inches

Don't forget units! :)

Answer:

24.85in

Step-by-step explanation:

This is a very simple subtraction:

57.80-32.95=24.85in

i hope this helps

pls give thx and brainliest

ABCD is a trapezium
AD=10cm
AB=9cm
DC=3cm
Angle ABC=angled BCD=90degrees
Calculate the length of AC
Give your answer correct to 3 significant figures

Answers

Answer:

12.0 cm

Step-by-step explanation:

✔️First, find the height, BC, of the trapezium using Pythagorean Theorem.

BC² = 10² - (9 -3)²

BC² = 10² - 6²

BC² = 64

BC = √64

BC = 8 cm

✔️Find AC using Pythagorean Theorem:

AC² = AB² + BC²

AC² = 9² + 8²

AC² = 145

AC = √145

AC = 12.0415946 ≈ 12.0 (3 significant figures)

Haley made 88% on a history test. The
test had 50 questions of equal point value.
How many questions did Haley miss?

Answers

Answer:

She missed 6 questions.

Step-by-step explanation:

88% can be written as (88/100) or as 0.88.

You can set this as a ratio problem which is,  

88/100 = correct/50

correct = (88/100)*50       (multiply both sides by 50)

correct = 44

So, 50 (total questions) - 44 = 6 incorrect questions

IM BEGGING U I CANT FAIL MAN

An air conditioning system salesperson earns a base yearly salary of $38,000 and earns a commission of $500 for every air conditioning system sold. Using your equation from Question 1, how much will the salesperson earn if 22 air conditioning systems are sold in one year? Put the following steps in order.

Answers

Answer:

order

500x+38000

500(22)+38000

11000+38000

49000

Step-by-step explanation:

We can write the following equation

38000+500x= salary

where x is the number of air conditioners sold

To get the answer just plug in 22 for x

38000+500(22)=49000

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

The steps in order are:

y = 500x + 38,000

y = 500 x 22 + 38,000

y = 11,000 + 38,000

y = 49,000 earned.

What is an expression?

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

Example: 2 + 3x + 4y = 7 is an expression.

We have,

Yearly salary = $38,000

Commission per sold = $500

Now,

Number of items sold = 22

The y amount earned for selling x items.

y = 500x + 38,000

y = 500 x 22 + 38,000

y = 11,000 + 38,000

y = 49,000

Thus,

The steps in order are:

y = 500x + 38,000

y = 500 x 22 + 38,000

y = 11,000 + 38,000

y = 49,000 earned.

Learn more about expressions here:

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The space probe Voyager I travels 3.255 x 108 miles in a year.
At this rate, how far does the Voyager I travel during a period of 40 years?

Answers

Hope this helps you
13932

The Voyager I travel 130.2 x [tex]10^8[/tex] miles during a period of 40 years.

What is Unitary Method?

The unitary technique involves first determining the value of a single unit, followed by the value of the necessary number of units.

For example, Let's say Ram spends 36 Rs. for a dozen (12) bananas.

12 bananas will set you back 36 Rs. 1 banana costs 36 x 12 = 3 Rupees.

As a result, one banana costs three rupees. Let's say we need to calculate the price of 15 bananas.

This may be done as follows: 15 bananas cost 3 rupees each; 15 units cost 45 rupees.

The space probe Voyager I travels 3.255 x [tex]10^8[/tex] miles in a year.

So, in 40 years Voyager I travel

= 3.255 x [tex]10^8[/tex] x 40

= 130.2 x [tex]10^8[/tex] miles.

Thus, the Voyager I travel 130.2 x [tex]10^8[/tex] miles.

Learn more about Unitary Method here:

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Read and understand the problem Guide Questions solution​

Answers

Yeahhhhhhhhhhhhhhhhhhhhhh

In September, Louise planted a tree. Every month, the tree Louise planted grew 2 inches. What would the constant of proportionality of the line be?

Answers

Answer:

i think it would  be 2 inches

Step-by-step explanation:

how to evaluate higher powers of i

Answers

Answer:

i^0 = 1

i^1 = i

i^2 = -1

i^3 = -i

i^4 = 1

i^5 = i

i^6 = -1

i^7 = -i

i^8 = 1

i^9 = i

Step-by-step explanation:

Anything raised to 0 is 1

Anything raised to 1 is itself

I just always knew i^2 = -1

I put this rest into the calculator honestly

But if you look at the stuff from i^2, you'll notice there's a pattern (-1, -i, 1, i) and it repeats. I bet if you raise i to the 10th, 11th, 12th, and 13th power, it is going to repeat the same pattern. I hope this helps in any way.

Does anyone need help with History or Algebra, Common core, Pre-Algebra Or Fractions of such?

Answers

Answer:

I dont know but maybe later

im going down to S o U t H p A r K

Answers

Answer:

ok have a nice time

Step-by-step explanation:

Answer:

I totally agree *brainly don't take down my answer pls*

Step-by-step explanation:

I have to put it as a point (x,y)​

Answers

Answer:

(4,-2) is the answer to that equation.

Answer:

(-4,0)

Step-by-step explanation:

solve for the first variable in one of the equations,then substitute the result into the other equation

44 points! Brainliest for correct answer!

Margie has 5 times as many nickels as quarters. She has a total of $2.00.

Part (a) Write a system of equations to represent the situation. Let n represent the number of nickels and q represent the number of quarters.

Part (b) Solve the system you wrote in part (a). Show your work.

Part (c) Interpret your solution in the context of the problem.


P.S. Sorry for asking so many questions, I swear this will be the last one for a while.

The only thing I really need help with is Part A, writing the equations.

Answers

Answer:

5n + 25q = 200 - - - (1)

n = 5q - - - (2)

q = 40

n = 5(40) = 200

Step-by-step explanation:

Number of Nickels = n

Number of Quarters = q

$2.00 = $2 * 100 = 200 cent

Nickel = 5 cent

Quarter = 25 cent

5n + 25q = 200 - - - (1)

n = 5q - - - (2)

5(5q) + 25q = 200

25q + 25q = 200

50q = 200

q = 200/5

q = 40

n = 5(40) = 200

PLEASE HELP!!!!
Find the length of the missing side. The triangle is not drawn to scale.
100
10
48

Answers

Answer:

10

Step-by-step explanation:

pythagorean theorem

take the sum of the square of each leg and set it equal to the square of the hypotenuse

8² + 6² = x²

64 + 36 = x²

x² = 100

x = [tex]\sqrt{100}[/tex] or 10

Answer:

B.10 units

Step-by-step explanation:

Since this is a right triangle, we can use the Pythagorean theorem which states that a^2+b^2=c^2

Plug in what we know....

8^2+6^2=c^2

64+36=c^2

c=sqrt(100)

c=10 units or B

what property is 37 • 2 • (-5 + 5 + 1/2)

Answers

Answer:

37

Step-by-step explanation:

74*(-5+5+1/2)

74*(1/2)

37

A large pizza has 12 slices, a medium has 10 slices, and a small has 8 slices. Write an expression to show total number of slices in 2 large pizzas 3 medium and 1 small, then solve... I really need help

Answers

Answer:

[12(2) + 10(3)] + 8 = 62

Step-by-step explanation:

I hope this works. :)

WILL MARK YOU BRAINLIEST SHOW WORK PLZ

Answers

Answer:

5) because ABCD is a rectangle => AC = BD

<=> 4x - 5 = 3x - 1

<=> 4x - 3x = -1 + 5

<=> x = 4

6) because EFGH is a rhombus

=> HF is the bisector of the angle EHG

=> EHF = GHF

<=> 3x - 15 = 2x + 9

<=> x = 24

The first five terms are shown.
2.4, -3.4, -9.2, -15, -20.8,..
If the pattern continues, which expression can be used to find the [tex]n^{th}[/tex]
A. - 5.8 - 3n
B. -3- 5.8n
C. 8.2 - 5.8n
D. -5.8-8.2n

Answers

-5.8n+8.2
C.......,.
It’s b
Think this it the right one

Answer fast!!!!!!!!!!!!!!

Answers

this is the answer 0.7
decimal form is 0.7, hope this helps

7 3/8 divided by 6 as a fraction

Answers

Answer:

[tex] \frac{73}{48} [/tex]

Step-by-step explanation:

.......

-2(4x-1)-7=5

whats the next step in solving this equation

Answers

Answer:

Using distributive property is the next step in solving the equation

Step-by-step explanation:

-2(4x-1)-7=5

-8x+2-7=5

Answer:

The next step would be to do distributive property.

Step-by-step explanation:

-2(4x-1)-7=5

-8x + 2 - 7 = 5

-8x - 5 = 5

     +5    +5

-8x = 10

/-8     /-8

x= -5/4

 or

x = -1 1/4

Hope this helps and I hope u have an Amazing day!!

Question 4
4 pts
You roll 2 fair 6-sided dice. What is the probability of rolling a sum of 7 or more?
18/36 or 1/2
20/36 or 5/9
19/39
21/36 or 7/12

Answers

Answer:

   here we have rolled two dice. So total no. of possible outcomes will be 6^2=36. These are (1,1),(1,2),(1,3),(1,4),(1,5),(1,6),(2,1),(2,2),(2,3),(2,4),(2,5),(2,6),(3,1),(3,2),(3,3),(3,4),(3,5),(3,6),(4,1),(4,2),(4,3),(4,4),(4,5),(4,6),(5,1),(5,2),(5,3),(5,4),(5,5),(5,6),(6,1),(6,2),(6,3),(6,4),(6,5),(6,6).

   Now, among these cases the cases where the sum is seven for (1,6), (2,5), (3,4), (4,3), (5,2), (6,1) i.e. there are 6 cases.

   Now, it is time to calculate the probability.

   The required probability is,

   p = (No. of cases favorable for the event)/(Total no. of cases)

   =6/36 =

Step-by-step explanation:

Two fair six-sided dice are rolled. What is the probability that the sum of the two dice is seven?

I NEED HELP NOW PLEASE! (Science)


A bowling ball is placed on the moon.

Which feature of the bowling ball stays the same?


A. force from gravity

B. weight

C. mass

Answers

Answer:

C. mass

Step-by-step explanation:

gravity is different on the moon

and weight is different because of that change in gravity

If the bowling ball is placed on the moon, the feature which will stays same,  mass of the ball. So option C is correct

What is Force ?

The definition of force is the pushing or pulling of anything. Push and pull are the result of two things interacting with one another. Stretch and crush are two more phrases that can be used to describe force.

Given that,

A bowling ball is placed on the moon

So, when ball is placed on moon, it affects the following factors,

Force from gravity - On the Earth and on the Moon the gravitational force will be different.

Weight - On the Earth and On the Moon the gravitational acceleration will be different so weight will be different on both the planets.

Mass- It is the property of the object and it is independent from the planets, it will be same on every planet.

Hence, the  Mass is same on both the planets

To know more about Force check:

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can someone help me find the equation for this line please

Answers

Answer:

y = x + 1

Step-by-step explanation:

The line y = x  goes through the origin, and forms a perfect 45 degree angle with the x axis.

This is that same line, moved upward 1 unit, so the y value comes out 1 unit more.

Also, in y = mx + b form (slope-intercept form), we see slope m = 1 and y-intercept b = 1, so

y = 1x + 1 = x + 1

y = x + 1

Other Questions
which number is less than 909 and greater than 868 You have been selected as the President of the United States: What are the top 3 things you would do?this assignment needs to be 3 paragraphs: A paragraph for each point you make. Read the following passage and find the error."Thorn bugs go through incomplete metamorphosis. First, the female insect lays eggs. Nymphs hatch from the eggs and look nothing like the adult thorn bug. After the molting several times during the nymph phase, the thorn bug is a mature adult with wings."Which statement corrects the error in the passage? -The nymph looks a lot like the adult thorn bug, but it is smaller and lacks wings until it molts several times. -Thorn bugs go through complete metamorphosis, which includes the larva and pupa stage. -Thorn bugs go through incomplete metamorphosis, which includes the larva and pupa stage. -The nymph hatches from larva and looks a lot like the adult thorn bug, including fully developed wings. find the slope of the line What is a point of view in a story? the perspective from which the story is told scenery and setting the main character's Ideas how far you can see List a few of the ways that Thuret tells us we can control neurogenesis. Specify whether the activity increases or decreases neurogenesis. Help me please !!! And thank you Which term best describes official U.S. Immigration policy during the 1800s?A. Tightly regulated B. Unrestricted C. Rellglously motivatedD. Discriminatory i gave brainlest plss answers this... Enter the value for x that makes the equation (4x 8) + 3x = 36 true. I need the answers ASAP pls The only representatives of the people of these colonies are persons chosen therein by themselves; and that no taxes ever have been, or can be constitutionally imposed on them but by their respective legislatures.-Statement by the Stamp Act Congress, 1765 What is a valid conclusion that can be drawn from this quotation? 1. The English King should have the right to tax the colonists2. Only the colonists elected representatives should have the power to levy (place) 3. The colonists should be opposed to all taxation4. The colonial legislature should be appointed by the English King with the consent of Parliament what does the word free mean to you? 3(2x+6)Distributive Property A taxi service charges $4.50 to pick someone up and then $0.75 per mile during the ride.Part A. Write an expression that can be used to find the cost of a taxi ride for any number of miles, m.Part B. What is the cost of a taxi ride that is 5 miles long?Enter the correct answers in the boxes. CAN SOMEONE PLEASE CHECK MY ANSWER!!!!! What does the Fair Credit ReportingAct focus on?A. The borrower's rights in regard to their creditreport.B. The bank's ability to change customer's creditreports.C. The government's ability to see an individual's taxforms.D. The lender's rights in hiding loan information. Which area on the map represents where the Civil War Battle of Gettysburg took place?A)1B)23D) Henry wants to buy a ticket to a concert, but the ticket costs $60 and he only has $50. Henry makes an allowance of $10 each week for doing chores like taking out the garbage and doing the dishes. He usually spends his money on games, toys, or candy. The concert isnt for another two weeks. What can Henry do to have enough money to buy a ticket to the concert?Spend his allowance money like he usually does.Spend his allowance money and the $50 he already has on something else.Donate his allowance money.Save the allowance money until he has enough to buy a ticket. I really need to know theese and rhe rest plsss What causes warm air to rise?a. The fact that it's less dense than cold air.b. The fact that it weighs more than cold air.c. The fact that it has higher pressure than cold air.d. The fact that it's more dense than cold air.