Please help me with this question

Please Help Me With This Question

Answers

Answer 1

On solving the provided question related to rectangle we can say that the Perimeter, P = 2(10+20); P = 60 cm

How to Find the Perimeter of a Rectangle?

The formula for the perimeter of a rectangle is, P = length + breadth + length + breadth The perimeter of a shape is always calculated by adding up the length of each of the sides. To find the perimeter of a rectangle, we add the lengths of all four sides. Since opposite sides of a rectangle are always equal, we need to find the dimensions of length and width to find the perimeter of a rectangle. We can write the perimeter of the rectangle as twice the sum of its length and width.

In order to find the perimeter, or distance around the rectangle, we need to add up all four side lengths.

This can be done efficiently by simply adding the length and the width, and then multiplying this sum by two since there are two of each side length. Perimeter=(length+width)×2 is the formula for perimeter

here,

we have length, L = 10

and breadth, B = 20

Perimeter, P = 2(10+20)

P = 60 cm

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Related Questions

PLEASE HELP WITH THIS

Answers

Answer:

Step-by-step explanation:

Shira's math test included a survey question asking how many hours students spent studying for the test. The scatter plot below shows the relationship between how many hours students spent studying and their score on the test. A line was fit to the data to model the relationship.

Answers

Answer:

Part 1) Option B. y = 10x + 45

Part 2) The score is 95

Step-by-step explanation:

Linear equation that best describes the given model

Let

x ---> number of hours students spent studying

y --->  their score on the test

Looking at the line that was fit to the data to model the relationship

The slope is positive

The y-intercept is the point (0,45)

For x=1, y=55 ----> point (1,55)

Find the slope

The formula to calculate the slope between two points is equal to

substitute  the points (0,45) and (1,55)

Find the equation of the line in slope intercept form

we have

substitute

Part 2) Estimate the score for a student that spent 5 hours studying.

For x=5 hours

substitute in the linear equation and solve for y

Answer:

Part 1) Option B. y = 10x + 45

Part 2) The score is 95

Step-by-step explanation:

_:7 = 24 : 56

A.2 B.3 C.4 D.5​

Answers

Answer:

The answer is 3 : 7 .

Hope it helped

All the best !!

I think I got the answer but I need someone to help

Answers

That’s a hard one for sure but I would say six

Need help please i got 200 point in the bag yeart

Answers

1.r=4
2.w=38
3.m=5/8
4.t=-4
5.139+x=180
6.x=41
7.18+x=90
8.x=72
9.Layla had 3 dogs she adopted “x” dogs at the end of the day Layla had 8 dogs
X=5dogs

Hope this helps

Have a great day/night

Feel free to ask any questions

Simplify to a single power of 5

Answers

Answer:

7

Step-by-step explanation:

multiplying exponents adds them together... 5+2=7

The answer is simply seven

2x-3y = -2
X + 24 = 15

Answers

Answer:

No

Step-by-step explanation:

2x-3y= 6xy

plz help i have 3 mins it for 25 points

Answers

Answer:

c: 38 cm

Step-by-step explanation:

I hope it's not too late

Answer:

The area is 32cm

Step-by-step explanation:

Area  = length x width

Area = 4 x 8 = 32

Find the surface area of the rectangular prism with a length of 3 cm, a width of 2 cm, and a height of 6 cm

Answers

The surface area is 72cm

Grayson took out a loan for $900. In 18 months, he paid $54 in simple interest. What was the interest rate on Grayson's loan?

Answers

Answer:

.

Step-by-step explanation:

6The table below represents the charges for using the Internet at a cafe. 3 Number of Minutes Amount Charged (in dollars) 7.5 30 R. 120 12 220 Write an equation in slope-intercept form that describes the relationship between the number of minutes, x, and the amount charged, y.​

Answers

Answer:

Step-by-step explanation:

y=mx+b

m=(y2-y1)/((x2-x1)

m=(12-7.5)/(120-30)

m=0.05

y=0.05x+b, using point (30,7.5)

7.5=0.05(30)+b

7.5=1.5+b

b=6

y=0.05x+6

Marna is playing a game where you score -5 points each time you guess the correct answer the goal is to get the lowest score to win the game Marna Needs to have a score less than -80 point how many correct answers does my need to win the game

Answers

16 correct answers

(-80 divided by -5)

A submarine travels at an elevation of -75 3/4 ft relative to sea level. Then its elevation changes by -16 3/8 ft. What is the new elevation of the submarine? Show your work

Answers

Answer:

The new navigation height of the submarine is -62.25 feet.

Step-by-step explanation:

Given that a submarine travels at an elevation of -75 3/4 ft relative to sea level, and then its elevation changes by -16 3/8 ft, to determine what is the new elevation of the submarine the following calculation must be performed:

3/4 ft = 0.75 ft

-75 x 0.75 = -56.25 ft

3/8 ft = 0.375 ft

-16 x 0.375 = -6 ft

-56.25 + -6 = -62.25

Thus, the new navigation height of the submarine is -62.25 feet.

Find the inverse function of f(x)=4x-8

Answers

Answer:

f^-1(x)=1/4x+2

Step-by-step explanation:

y=4x-8

change x and y

x=4y=8

switch sides

4y-8=x

add 8

4y=x+8

divide both sides by 4

y=1/4x+2

substitute f^-1(x) for y

f^-1(x)=1/4x+2

1. Which quadrilaterals always have opposite
angles that are congruent?
Parallelograms
Rectangles
Rhombi
Squares

Answers

Answer:

The quadrilaterals which have opposite angles congruent are parallelograms.

Hope it will help :)

The quadrilaterals always have opposite angles that are congruent should be parallelograms.

What are quadrilaterals?

In terms of geometry, a quadrilateral should be represent the closed, two-dimensional shape that contain 4 straight sides. The polygon should contain the four vertices or corners.

So based on this, we can say that The quadrilaterals always have opposite angles that are congruent should be parallelograms.

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The second derivative of the function f is given by f" (x) = sin(x^2/8)-2 cos x. The function f has
many critical points, two of which are at x = 0 and x= 6.949. Which of the following statements is
true?

Answers

The answer choice which is true about the function f as described in the task content is; Choice D; f has a local maximum at x=0 and at x=6.949.

Which answer choice represents a true statement about function f?

Since the equation which represents the second derivative of the function f is given; we have that;

By evaluating f'' (x) at each of the given values of x; we have that;

f'' (0) = sin ( 0² / 8 ) - 2 cos (0) = 0 - 2 (1) = -2

f'' (6.949) = sin ( 6.949² / 8 ) - 2 cos (6.949)

f'' (6.949) = -1.880.

On this note; since -1.880 < 0 and also, -2 < 0; it follows that the function f has a local maximum at x = 0 and x = 6.949.

Complete question includes answer choices;

a) f has a local minimum at x=0 and at x=6.949.

b) f has a local minimum at x=0 and a local maximum at x=6.949.

c) f has a local maximum at x=0 and a local minimum at x=6.949.

d) f has a local maximum at x=0 and at x=6.949.

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What is the answer to this?

Answers

Answer:

17

Step-by-step explanation:

85/5=17

17, the 5 goes into 8, 1 time so that leaves 3 then bring down the 5 to make it 35, 5 goes into 35 7 times

find the minimum angle of rotation of the given figure a. 40* b. 60* c. 45* d. 8*

Answers

I’m not an expert at this but my guess is 45 degrees. Can you let me know what the correct answer was?

Answer:

45 degrees

Step-by-step explanation:

Which number is the same distance from 0 as −14?

Answers

Answer: 14

Step-by-step explanation:

0-14 is -14 0+14 is 14

The correct number which is the same distance from 0 as - 14 is,

⇒ d = 14

What is mean by Subtraction?

Subtraction in mathematics means that is taking something away from a group or number of objects. When you subtract, what is left in the group becomes less.

Given that;

To find the same distance from 0 as −14.

Now, We can formulate;

The correct number which is the same distance from 0 as - 14 is,

⇒ d = | 0 - (- 14)|

⇒ d = 14

Thus, The correct number which is the same distance from 0 as - 14 is,

⇒ d = 14

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ILL MARK U BRAINLEST Find the circumference of the circle. Use 3.14 for 1. Round to the nearest hundredth, if necessary.
is
9 in.
The circumference of the circle is about
inches.
1

Answers

Answer:

The answer is either 56.55in or 28.27

Step-by-step explanation:

This is the formula that I used

C=2πr

Circumference = 2·π·4.5 ≈ 28.27433 or

Circumference = 2·π·9 ≈ 56.54867

The answer can be either one. It depends on if 9 is the radius or the diameter of this circle. If 9 is the radius, then the answer would be 56.55in. If the radius isn't 9 but 9 is the diameter, then your radius would be 4.5 and the answer would be 28.27in.

Hope that helps :)

The circumference of the circle will be 56.52 inches.


What is a circumference?

The circumference of a circle can be found using the formula:

Circumference = 2πr

Where r is the radius of the circle, and π (pi) is a mathematical constant approximately equal to 3.14159.

If the radius of the circle is 9 inches, then we can substitute this value into the formula to find the circumference:

Circumference = 2π(9 inches)

Circumference = 18π inches

We can leave the answer in terms of π or approximate it using a decimal approximation for π. Using the value of π rounded to 3.14, we have:

Circumference ≈ 56.52 inches

Therefore, the circumference of a circle with a radius of 9 inches is approximately 56.52 inches or exactly 18π inches.

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While the histogram is not perfectly symmetric (there is mild right skewness), it is close enough to being symmetric and mound-shaped to justify using the 68-95-99.7 rule. Suppose the distribution of calories in a Chipotle meal can be considered symmetric and mound-shaped with mean 1060 calories and standard deviation 291 calories.

Required:
a. What is the approximate percentage of the Chipotle meals that have more than 469 calories?
b. What is the approximate percentage of Chipotle meals with calorie amounts between 1372 calories and 1673 calories?
c. If a particular meal's calorie amount is equal to the 16th percentile of Chipotle meal calorie amounts, how many calories are in the meal?

Answers

Answer:

97.9% ; 12.4% ; 771

Step-by-step explanation:

The approximate percentage who have more Than 469 calories :

P(x > 469)

Mean, m = 1060

Standard deviation, s = 291

Z = (x - mean) / standard deviation

Z = (469 - 1060) / 291

Z = −2.030927

P(Z > - 2.031) = 1 - P(Z < - 2.031)

P(Z > - 2.031) = 1 - 0.0211

P(Z > - 2.031) = 0.9788 = 97.9%

b. What is the approximate percentage of Chipotle meals with calorie amounts between 1372 calories and 1673 calories?

[(1673 - 1060) / 291] - [(1372 - 1060) / 291]

P(Z <2.106) - P(Z < 1.072)

0.9824 - 0.85814

= 0.12426 = 12.4%

c. If a particular meal's calorie amount is equal to the 16th percentile of Chipotle meal calorie amounts, how many calories are in the meal

The Zscore at 16 percentile = -0.994

Zscore = (score - mean) / standard deviation

-0.994 * 291 = score - 1060

−289.254 = score - 1060

Score = −289.254 + 1060

Score = 770.746

Approximately 771

Calcular la energía cinética de un coche de masa 1500 Kg que circula con una velocidad de 90 km/h.​

Answers

Answer:

468750 esta es la energia cinética

an arfican elephant weighs 6 tons what is the weight of the elephant in pounds? 2000 pounds = 1 ton

Answers

the answer would be 12,000 pounds. simply multiply 2,000 x 6 = 12,000.

if the height and radius of a cylinder tank are equal and it's curved surface area is 308cm^2,find it's height​

Answers

Let height be x, then radius is also x.

We know that,

C.S.A. = 2πrh

=> 308cm² = 2πxx

=> 308cm² = 2πx²

=> 308cm² = 2(22/7)x²

=> 308cm² = (44/7)x²

=> 308cm² × (7/44) = x²

=> 2156/44 cm² = x²

=> 49cm² = x²

=> √(49cm²) = x

=> 7cm = x

So, height and radius are 7cm each.

John plans a journey to visit his sister in Newcastle.
He wants to fill up the bottle for the windscreen washer before he starts the journey.
John mixes 1 part screen wash with 5 parts water.
He uses 125 ml of screen wash.
(a) How much water should John use?​

Answers

Step-by-step explanation:

For the series-parallel network: a. Find the current I. b. Find the currents /3 and 19.

I choose a card at random from a well-shuffled deck of 52 cards. There is a 1/4 probability that the card chosen is a spade, a 1/4 probability that the card is a heart, a 1/4 probability that the card is a diamond, and a 1/4 probability that the card is a club. Both spades and clubs are black cards, whereas hearts and diamonds are red. The events card is a heart and card is a club are

Answers

Answer:

The answer is "disjoint events".

Step-by-step explanation:

Please find the complete question in the attached file.

In this question, the Disjointed events were not connected, throughout this, Some other approach to disorganized events was its lack of common outcomes. When it can come at the same time, two events are exclusive to each other. A whole term, that implies excluding each other is disjoined. If had some are united, the chance of them both happening on one is 0, throughout this question, both heart and club can't be cards at the very same time.

14x² - 21x³ + 49x⁴

ayudenme porfavor​

Answers

no se

sólo lo hago esto para poder preguntar

In a softball league, 4 coaches are needed for every 28 players. If 84 players sign up for softball, how many coaches are needed?

Answers

Answer:

12 coaches

Step-by-step explanation:

If for every 28 players, 4 coaches are needed, for 84 (triple the amount) players, 12 coaches would be needed (triple the amount)

Help needed with this

Answers

Answer:

el 3

Step-by-step explanation:

Step-by-step explanation:

step 1. a function must only have a single y value for each x value.

step 2. for the input x, there can only be one output or result y.

step 3. #1 is a function because for each x there is only one y.

step 4. #2 and #3 are functions also.

step 5. #4 is not a function because (1, 1) and (1, -1) says x is 1 but the y is both 1 and -1 (2 values)

step 6. (2, 2) and (2, -2) also makes #4 not a function.

The hikers could only hope that they would soon be
(52)
The drone of a helicopter's engines on 8 February 2018 must have been music to the
(53)
of Mr Dominick Tan and Ms Lum Jie. The rescue of the duo ended a search-and-rescue
(54)
that started on the evening of 5 February 2018. It
of a team of 90 police officers, park
(55)
rangers, firefighters and volunteers.​

Answers

Answer:

(52) rescued.

(53) ears

(54) mission

(55) consisted

Step-by-step explanation:

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