What is question A and B?

What Is Question A And B?

Answers

Answer 1

Answer:

Jo turned around and walked back to the starting point

8 km/hr

Step-by-step explanation:

4 km/one-half hr = 8 km/hr

Answer 2

Step-by-step explanation:

A)

If we look at the graph at 10 mins its evident that there has been some movement meaning Joes has moved 1km (as we can see in the graph) away from the starting point.

B)

For the last 30 mins of the graph we can see some changes.

so Joe started at 30 mins and ended at 60mins so there is a difference of 30 mins. In those 30 mins Joe moved from 0km to 4km. Meaning that Joe moved at 4km in 30 mins.

We are going to work this out in KPH. Since we have 30 mins and the unit we are using to measure his speed is measured in hours, we need to double it along with the kilometres he moved so it stays fair and constant. so we will have 8km and 60 min (1 hour). Therefore Joe moved at 8kph.

Hope this helps


Related Questions

Tues
1.There were 32 brown ducklings at a pond. Twice as
many white ducklings arrived., 1/2 of the brown ducklings
flew away. How many ducklings are there now, at the
pond?

Answers

Answer:

80 ducks (16+64)

Step-by-step explanation:

So if there were 32 brown ducks in the pond at first, then twice the amount of brown ducks (32).

32x2=64 white ducks

So now their are 64 white ducks at the pond. We still have to add how many brown ducks their were so…

64+32=96 ducks in total

But then as the white ducks came in half of the brown ducks flew away.

32/2=16 brown ducks left in the pond.

Lastly add the remaining brown ducks with the white ducks and that is you answer!
16+64=80 total amount of ducks

Final Answer:

80 ducks

I hope this helps! I am sorry if I got it wrong!

HELP HELP HELP I NEED HELP ASAP
How Do I answer this question

Answers

Answer:

You say help is no more

Step-by-step explanation:

There is no question

Find the volume of the prism.
1.2 cm
1.8 cm
2 cm
2.3 cm
The volume is
cubic centimeters.

Answers

Answer:

Volume of prism = 6.3 cm³

Step-by-step explanation:

Given:

Dimensions of parallels line = 2.3 and 1.2 cm

Height of prism = 1.8 cm

Width of prism = 2 cm

Find:

Volume of prism

Computation:

Volume of prism = Area of base x Width

Volume of prism = [(1/2)(sum of parallels line)(Height)]Width

Volume of prism = [(1/2)(2.3 + 1.2)(1.8)]2

Volume of prism = [(1/2)(3.5)(1.8)]2

Volume of prism = [(3.5)(1.8)]

Volume of prism = 6.3 cm³

NEED ANSWER ASAP GIVING 15 PTS!!! TEST DUE IN 5 MINS!!!
Given the rule y=12x−4 complete the table below.

Answers

Answer:

(-4,-52)

(1/12,-3)

(1/3,0)

(0,-4)

(3,32)

Step-by-step explanation

i think thats right

please help I'll give a crown if you answer correctly.​

Answers

Answer:

2) 1. 73

   2. 107

   3. 73

   4. 107

   5. 73

   6. 107

   7. 73

  8. 107

4) 1. 46  

   2. 134

   3. 46

   4. 134

   5. 46

   6. 134

   7. 46

   8. 134

Step-by-step explanation:

Vertical, corresponding, alternate exterior, and alternate interior angles are all congruent (equal).Angles such as same side exterior and same-side interior are supplementary; meaning these angles add up to 180°.

what is 1 half of 2 thirds

Answers

Answer: + 1/3 or 0.3333333
Explanation: first you multiply 1/2 and 2/3 which is 1.2/2.3 which =2/6 =1.2/3.2=1/3

What does 8 mean in math?

Answers

The number 8 (eight) is represented by a number and numeral.

It is the natural number that follows seven and precedes nine. Given that it is an integer and a cardinal number, it can be counted. It is distinguished from imaginary numbers by being categorised as a real number.

Eight is a composite number, and its proper divisors are 1, 2, and 4. Eight can be written as 23, which when said aloud sounds like two cubed. It has a 7 aliquot total. All powers of two add up to an aliquot that is one less than their own.

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Anna's hair has grown
2
3
of an inch in the 6 weeks since her last haircut. How fast does her hair grow?

Answers

Her hair grows 1/9th of an inch. Hope this helped you

Answer:

Her hair grows 1/9th of an inch. Hope this helped you

Step-by-step explanation:

Which scenario can be best represented by the equation y = 139x + 200?

Answers

Since you didn't offer potential answer choices, here's a sample answer which would work for this scenario. Using this, you can compare it to the choices that you have to make a decision.

Sample Answer:

Bob opened savings account with $200. Every week since, he has added $139 into it.

The sum of 5 times a number and 3 is 7.

Use the variable y for the unknown number.

PLEASE HELP!!!​

Answers

Answer:

5y+3=7

Step-by-step explanation:

is triangle ABC similar to CDE?​

Answers

Answer:Yes

?=6



Step-by-step explanation:

they sare the same angle 55 and angle

Answer:

Triangle ABC is similar to triangle CDE

?=8

Step-by-step explanation:

We can set up a proportion: x/12=8/12. We can use cross multiplication to get 12x=96 which would x=8.

The triangles are similar since both of them have 55 degrees as one of the angle measures.

What is the value of x in this equation?

−4x+8=42

Answers

Answer:

x = -8.5

Step-by-step explanation:

-4x+8=42

first subtract both sides by 8

-4x = 34

divide both sides by negative 4

x = -8.5

X=-8.5

-4x+8=42
-8. -8
-4x=34
~. ~
4. 4

X=-8.5

PLEASE HELP ASAP!!! will mark

Answers

Answer:

x=3 or x=5

Step-by-step explanation:

The answer is where the graph line curve cuts the x-axis (the horizontal line)

it cuts at 3 and 5

Is the second side “LK and HI” or the other way around?

Answers

Answer:

They aare both the same

Step-by-step explanation:

Pretty sure it would be written like LK and HI for the second side

A triangle has side lengths of (4b−5c) centimeters, (9b+10d) centimeters, and (6d−8c) centimeters. Which expression represents the perimeter, in centimeters, of the triangle?

Answers

Combine like terms would be 13b cm - 13c cm + 16d cm

need help asap!!!! will give brainliest!

Answers

Answer:

Y = 3 [tex]\sqrt{2}/2[/tex] And x = 3

Step-by-step explanation:

Because this is a 45 to 45 degree triangle, the 3 * (square root of 2 )/2 is y as well. Because this is a 45-45 triangle, x should be y (Square root of 2). Therefore, replacing y with 3 * (square root of 2 )/2 and multiply the square root of 2, the answer for x is 3. If I got something wrong please tell me, thanks.

Identify the function that is exponential

Answers

Answer:

d. y=-3(0.5)^x

Step-by-step explanation:

since all other functions are ^ of a number, whereas the odd one out is d with an x as an exponent

therefore y = -3(0.5)^x is exponential

hope this helps:)

A solid metal sphere with diameter 6cm needs to be covered with a protective
material which costs £0.25 per cm2.
How much will it cost to cover the sphere with the material?
Give your answer rounded to 2 DP.

Answers

Answer:

It will cost: £28.28

Step-by-step explanation:

Area of sphere = 4 x π x r2

Area of Circle = 4 x π x 3^2 = 113.097 (radius is half of diameter)

113.097 / 0.25 = 28.28

Write an expression equivalent to 4-2(x+5) that has two terms

Answers

Answer:

-2x - 6.

Step-by-step explanation:

4 - 2(x + 5)

= 4 - 2x - 10

=  -2x - 6

Answer:

-2x - 6

Step-by-step explanation:

Are machines faster and better at calculating a math equation than mans?

Answers

Answer:

MIT economics professor Richard Bookstaber put it simply in his book “The End of Theory”: “No man is better than a machine, and no machine is better than a man with a machine.” ... Humans are too emotion-driven and susceptible cognitive biases, while machines lack an understanding of human thinking.

Answer:

yesThe Liverpool researchers estimate that the robot is able to work 1,000 times faster than a human scientist, and highlight that it is “unlikely a human researcher would have persevered with this multivariate experiment using manual approaches given that it might have taken 50 experiments or 25 days

a line from the top of a building to the ground passes over a 9 m pole and reaches the ground at point 15 m from the base of the pole. if the pole is 12 m from the base of the 16.2 m building, is the pole parallel to the building?​

Answers

Answer:

yes

Step-by-step explanation:

Miu will solve the system of equations below using the elimination method.
(2x - 3y = 4
x + y = 1
Which of the following describes the appropriate first steps to solve the system of equations by the elimination method?

Answers

Answer:

D.

Step-by-step explanation:

-2(x+y)=-2*1

-2x-2y=-2

2x-3y=4

-5y=2

y=-2/5

Keith ordered a hamburger for $2.25, a medium raspberry ice tea for $1.25, and a small sundae for $0.99. He also ordered French fries. All of these items totaled $6.24. What was the cost of the French fries?

Answers

The fries costs $1.49

What is addition?

Addition in math is a process of combining two or more numbers.

Given that, Keith ordered a hamburger for $2.25, a medium raspberry ice tea for $1.25, and a small sundae for  $1.25. He also ordered French fries. All of these items totalled $6.24.

Let the price of fries be x,

Therefore,

$2.25 + $1.25 + $1.25 + x = $6.24

$4.75 + x = $6.24

x = $6.24 - $4.75

x = $1.49

Hence, the fries costs $1.49

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guess what answer correcly its a classic ill give you brailynes

Answers

Answer:

Um.. Hello there. You haven't added any links to this post so we cannot see what the question was. Sorry to bother you!

Ason is organizing the silverware drawer. He has 8 spoons. There are twice as many forks as spoons. There are 34 as many knives as forks. How many knives does Jason have

Answers

The result of two Newton's technique iterations to approximation a function's zero using the provided starting guess is 1.5262!

What is a formula that is iterative?

Iteration describes carrying out a process repeatedly. To get a new value, start with an initial value and enter it into the iteration formula. To solve an equation using iteration, apply the new value for the subsequent substitution after that, and so on.

By Newton's Method, we have new guess of a zero of a function that are f(x), xn+1, and by using the previous guess, xn, like so-

xn+1 = xn - f(xn)/f'(xn)

and herethe case is [tex]f(x) = cos(x), and so f'(x) = -sin(x).[/tex]

Also, furthermore, [tex]cos(x)/(-sin(x)) = -cot(x).[/tex]

here, we have to simplify the formula to get a better guess for a zero to: xn+1 = xn + cot(xn)

[tex]x1 = 0.6, so x2 = 0.6 + cot(0.6) = 2.06170...\\And x3 = 2.06170... + cot(2.06170...) = 1.52615...\\Ans = 1.5262![/tex]

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What are the values of trigonometric ratios?

Answers

three main trigonometry ratios are sin ,cos and tan.

1- Sine or sin θ = perpendicular / Hypotenuse .

2- Cosines or cos θ = base of triangle / Hypotenuse .

3- Tangent or tan θ = perpendicular of triangle / base of triangle.

Trigonometry

Trigonometry is a branch of mathematics that studies relationships between side lengths and angles of triangles.

Trigonometric values are based on the angle theta and the values of the sides of triangle in which the theta angle is made.

for example - value of sin theta is equal to the side opposite to the theta angle divided by hypotenuse of the triangle and we will get the values of the sin trigonometric ratio.

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help me out here plz, can u solve this problem and ill give u 10 points.

Answers

Answer: the first one, 2^3x 3^2, correct me if i am wrong

Step-by-step explanation:

Answer:

2^3*3^2

Step-by-step explanation:

Solve the quadratic by factoring. 3x^{2}+7=-8x+3 3x 2 +7=−8x+3

Answers

The roots of the given quadratic equation are x = -2/3 and x = -2.

What is a quadratic equation?

A quadratic equation is a equation that is of the form -

y = f{x} = ax² + bx + c

Given is a quadratic equation as follows -

3x² + 7 = - 8x + 3

The given quadratic equations are -

3x² + 7 = - 8x + 3

3x² + 8x = 3 - 7

3x² + 8x + 4 = 0

(x + 2/3)(x + 2) = 0

(x + 2/3) = 0   and   (x + 2) = 0

x = -2/3   and   x = -2    

Therefore, the roots of the given quadratic equation are x = -2/3 and x = -2.

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In 2010, the population of a city was 191,000. From 2010 to 2015, the population grew by 3.9%. From 2015 to 2020, it fell by 3.3%. To the nearest 100 people, what was the population in 2020?

Answers

Answer:

The population by 2020 is 191,900

Step-by-step explanation:

Given that;

population 2010 (population in 2010): 191000

the population grew from 2010 to 2015: by 3.9%

so, population by 2015 = [tex]191000(1 + \frac{3.9}{100})[/tex]

                                      = [tex]191000(1 + 0.039)[/tex]

                                      = [tex]191000(1.039)[/tex]

                                      = [tex]198449[/tex]

the population drop from 2015 to 2020: 3.3%

so, population by 2015 = [tex]198449(1 - \frac{3.3}{100})[/tex]

                                      = [tex]198449(1 - 0.033)[/tex]

                                      = [tex]198449(0.967)[/tex]

                                      = [tex]191,900.183[/tex]

What is the perimeter?
Help plz...
And No links!! I repeat No links!!

Answers

12

The Pythagorean Theorem makes the unknown side equal to four therefore 4+3+5 equals 12 which is your perimeter

Answer:

b=4

perimeter=12

Step-by-step explanation:

frist find b by using pythagory theorm

the a+b+c=perimeter

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