find the distance between the two points in simplest radical form. (-2,1) and (-8,-7)

Answers

Answer 1

Answer:

10

Step-by-step explanation:

Use the distance formula to determine the distance between two points.
√[(x₂ - x₁)² + (y₂ - y₁)²]


Related Questions

The mean diameter of holes produced by a drilling machine is 4.05mm and the standard deviation of the diameter is 0.0028mm. for 20 holes drilled using this machine. determine , correct to the nearest whole number how many hare likely to have diameters of between
a) 4.048 and 4.0553
assuming they are normaly distributed

Answers

The hole having the diameters likely between 4.048 and 4.0553 is 17.

Maximum value of diameter = 4.05 + 0.0028 = 4.0528

Minimum value of diameter = 4.05 - 0.0028 = 4.0472

So, the diameters of the holes are in AP with common difference

= (2 × 0.0028) / 20 = 0.00028

So, the AP is:

4.0472, 4.04748, 4.04776, 4.04804, …, 0.0.0528

So, the first 3 terms are not included between 4.048 and 4.0553

Hence, the answer is 20 - 3 = 17

Therefore, the hole having the diameters likely between 4.048 and 4.0553 is 17.

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In the formula l=p.r.t what does P stand for

Answers

possibly perimeter since i’m assuming it’s L = perimeter.radius.time

0.625+0.125+0.3125+0.0625

Answers

Answer:

the answer is = 1.125

Step-by-step explanation:

hopefully this helps!

Yes, they are correct. The answer is 1.125.

Layla has $680 to spend at a bicycle store for some new gear and biking outfits. Assume all prices listed include tax.
She buys a new bicycle for $319.28.
She buys 3 bicycle reflectors for $4.90 each and a pair of bike gloves for $37.94.
She plans to spend some or all of the money she has left to buy new biking outfits for $77.02 each.

Use the drop-down menu below to write an inequality representing oo, the number of outfits she can buy while staying within her budget.

Answers

Layla should by not more than 4 outfits in order not to exceed her budget

The inequality expression is n  ≤ 4

Given data

price of a new bicycles = $319.28

3 bicycle reflectors = $4.90

a pair of bike gloves = $37.94.

new biking outfits = $77.02 each

Layla's total money to spend at a bicycle store = $680

How to write the required inequality equation

Layla's expenses will not be more than her total amount to spend at the bicycle store therefore will use less than or equal to sign, before the sum of the other items

The expression is written as follows

$680 ≤ $319.28 + 3 * $4.90 + $37.94 + n * $77.02

where n represents the number of the new biking outfits

$680 - ( $319.28 + 3 * $4.90 + $37.94 ) ≤. + n * $77.02

( $680 - ( $319.28 + 3 * $4.90 + $37.94 ) ) /  $77.02 ≥ n

( $680 - $371.64 ) /  $77.02 ≥ n

( $308.36) /  $77.02  ≥ n

4  ≥ n

Layla should by not more than 4 outfits in order not to exceed her budget

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72/45 in simplest form

Answers

8/5 because if you divide the denominator and numerator by 9. you get 8/5

If z/4+3=-2 what is the value of z/4+7?

Put your answer in the form of [x]

Answers

Answer: x=2

Step-by-step explanation:

x=z/4+7

x=z/4+3+4

x=(z/4+3)+4

x=-2+4

x=2

Which of the following is a whole number? Select all correct answers.

Select all that apply:

15
0
439
−9
−10
5

Answers

Answer:

15, 0, 439, 5

Step-by-step explanation:

-9 and -10 are negative integers. Whole numbers can't be negative.

Answer:

15,0,439,5 are whole numbers. eg: when we count the number of students we use 1,2,3 etc we won't use any decimal or fractions or negative values. like that whole numbers are like the numbers we count number of students

arrange the following in ascending order 1/3 , 3/4 , 5/12 ,2/8​

Answers

The ascending order is: 2/8 < 1/3 < 5/12 < 3/4.

What is termed as the ascending order?The configuration of numbers or even other items in order of increasing from smallest to largest is referred to as ascending order. Ascending order is represented by numbers that show up on a number line from left to right. We generally represent it with commas or by using the 'less-than symbol (<)' between numbers. For instance, 1, 2, 3, 4, 5 or 1 < 2 < 3 < 4 < 5.

The given order is;

1/3 , 3/4 , 5/12 ,2/8​

Write the values in the decimal forms;

0.33, 0.75, 0.416, 0.25.

Now arrange the sequence is the ascending order;

0.25, 0.33, 0.416, 0.75

Again transform them in fraction form;

2/8 < 1/3 < 5/12 < 3/4

Thus, the ascending order is found as 2/8, 1/3, 5/12, 3/4.

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Which expression is equivalent to , if y ≠ 0?
A.
B.
C.
D.

Answers

Answer:

is there more??? i don't have a enough info

Step-by-step explanation:


For a party, Ashley wants to make 12 hamburgers. If she has 2.964
pounds of meat, how much would each patty weigh? _________ pounds

Answers

Answer:

247

Step-by-step explanation:

divides 2964 entre 12 y obtienes 247

What’s the length of AZ. If A is between Y and Z, Y A = 22, AZ = 16x, and Y Z = 166

A) 9
B) 22
C) 144
D)188

Answers

Answer:

c) 144

Step-by-step explanation:

Since A is between Y and Z,

[tex]YZ = YA + AZ[/tex]

[tex]116 = 22 + 16x\\16x = 116 - 22\\16x = 144\\x = 9[/tex]

however, the question asks for [tex]the length of AZ[/tex], not the value of x.

Thus,

[tex]AZ = 16x[/tex]

[tex]AZ = 16\\[/tex] × [tex]9[/tex]

[tex]AZ = 144[/tex]

Solve for x.
4x-7=3x+21

Answers

Answer: x=28

Step-by-step explanation:

4x-7=3x+21

4x-3x-7=3x-3x+21

x-7=21

x=28

What happens to the sum of the ball’s kinetic energy and potential energy as the ball rolls from point A to point E? Assume there’s no friction between the ball and the ground. An image shows a curve that starts at point A, decreases at B, then increases at C and D, and ends at E. A. The sum decreases. B. The sum increases. C. The sum remains the same. D. The sum always equals zero

Answers

The sum of the ball's kinetic energy and potential energy remains the same. as the ball rolls from point A to E.( if there is no friction between the ball and the ground).

based on the law of mechanical energy's conservation, the sum of both kinetic and potential energies i.e. the total amount of mechanical energy remain conserved even in the absence of dissipative forces ( friction or air resistance) in a bound system.

the kinetic energy is when ball goes downward but potential energy decreases and reverse happens when ball goes up. but in these case, the sum energy would be constant one.

The ball would not change the energy.

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Write the following equation in slope-intercept form. State the slope and y-intercept.

-18x-9y= 7

Answers

The slope and y-intercept of the line is 2 and -7/9 respectively

slope intercept form of an equation

The formula for calculating the slope intercept form of an equation is expressed as:

y = mx + b

where

m is the slope

b is the y-intercept

Given the equation -18x-9y = 7

Write in slope intercept form

-9y = 18x + 7

y = -18/9 x - 7/9

Compare

m = -2

b = -7/9

Hence the slope and y-intercept of the line is 2 and -7/9 respectively

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|3k| >30 what is the compound inequality

Answers

Answer:

k < - 10 or k > 10

Step-by-step explanation:

inequalities of the type | x | > a have solutions of the form

x < - a or x > a , then

3k < - 30 or 3k > 30 ( divide each interval by 3 )

k < - 10 or k > 10

Rewrite (10 + 6) + 5+ 3 using the Associative Law of Addition,
O 10+6+5+3
O 10+(6+5) + 3
O 3+5+ (10+6)
O (10+6) + 3+5

Answers

Rewriting (10 + 6) + 5+ 3 using the Associative Law of Addition will be 3+5+ (10+6).

How to compute the value?

It should be noted that the Associative Law of Addition explains that a + (b + c) is the same as (a + b) + c.

Therefore, Rewriting (10 + 6) + 5+ 3 using the Associative Law of Addition will be 3+5+ (10+6).

It should be noted that this will still give same value.

Therefore, the correct option is B.

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Cesar is reading a 450 page book. He reads the first 90 pages in 3 days
continues to read at the same rate, how long will it take him to finish t
Solve on scrap paper first if you need to.
It will take Cesar
days to finish the book.

Answers

By simplifying the ration 90:3 you get 30:1. Cesar is reading 30 pages in 1 day. Dived the 450 by 30 to find how many days it will take to read while book. You should get 15. Then subtract 3 from 15 cause he was already read 3 day worth of pages. It will take Ceaser 12 days to finish the book.

A bowl weighs 11/40 pound.
a. Express this weight as a decimal.
b. Explain how you can find the decimal by thinking of the denominator as a 4 and using mental math.

Answers

Answer: 0.275

Step-by-step explanation:

a. To express 11/40 as a decimal, you need to divide 11 by 40. (Steps shown in image)

b. Sorry, I can't figure out the answer to this. I don't recommend making the denominator a 4 as the numerator would become 1.1.

If anyone can help me to solve this!!​

Answers

Answer:

[tex]\begin{array}{|l|l|c|c|c|}\cline{1-5} \textbf{Equation} & \textbf{Standard Form} & \textbf{a} & \textbf{b} & \textbf{c}\\\cline{1-5} \text{1.}\:\:x^2+x=20 & x^2+x-20=0 & 1 & 1 & -20\\\cline{1-5} \text{2.}\:\:4x^2-2x=28 \phantom{)))}& 4x^2-2x-28=0 \phantom{)))}& 4 & -2 & -28\\\cline{1-5} \text{3.}\:\:5x^2=225 & 5x^2-225=0 & 5 & 0 & -225\\\cline{1-5} \text{4.}\:\:x^2-x=36 & x^2-x-36=0 & 1 & -1 & -36\\\cline{1-5} \text{5.}\:\:3x^2-4=7x & 3x^2-7x-4=0 & 3 & -7 & -4 \\\cline{1-5}\end{array}[/tex]

Step-by-step explanation:

Standard form of a quadratic equation:

[tex]\boxed{ax^2+bx+c=0}[/tex]

Question 1

Given:

[tex]x^2+x=20[/tex]

Rearrange to standard form by subtracting 20 from both sides:

[tex]\implies x^2+x -20=20-20[/tex]

[tex]\implies x^2+x -20=0[/tex]

Therefore:

a = 1b = 1c = -20

Question 2

Given:

[tex]4x^2-2x=28[/tex]

Rearrange to standard form by subtracting 28 from both sides:

[tex]\implies 4x^2-2x-28=28-28[/tex]

[tex]\implies 4x^2-2x-28=0[/tex]

Therefore:

a = 4b = -2c = -28

Question 3

Given:

[tex]5x^2=225[/tex]

Rearrange to standard form by subtracting 225 from both sides:

[tex]\implies 5x^2-225=225-225[/tex]

[tex]\implies 5x^2-225=0[/tex]

Therefore:

a = 5b = 0c = -225

Question 4

Given:

[tex]x^2-x=36[/tex]

Rearrange to standard form by subtracting 36 from both sides:

[tex]\implies x^2-x-36=36-36[/tex]

[tex]\implies x^2-x-36=0[/tex]

Therefore:

a = 1b = -1c = -36

Question 5

Given:

[tex]3x^2-4=7x[/tex]

Rearrange to standard form by subtracting 7x from both sides:

[tex]\implies 3x^2-4-7x=7x-7x[/tex]

[tex]\implies 3x^2-4-7x=0[/tex]

[tex]\implies 3x^2-7x-4=0[/tex]

Therefore:

a = 3b = -7c = -4

PLEASE ANSWER THIS QUESTION QUICKLY!


Solve by factoring:


2(m-1)^2-11(m-1)+5=0


Give either of the two solutions.


Rules answering these questions:


Show your work!


Explain your answer!


Nonsense answer will be reported and delete your answer!


Do not spam answers!


Thanks!

Answers

2(m-1)^2-11(m-1)+5=0
2((m-1)(m-1))-11m+11+5=0
solve (m-1)(m-1) first then multiply the answer by 2
2(m^2-2m+1)-11m+16=0
2m^2-4m+2-11m+16
2m^2-15m+18
make factors
2m^2-3m-12m+18
m(2m-3)-6(2m-3)
(m-6)(2m-3)
there will be two answers
solve (m-6) first
m-6=0
m=6

Now (2m-3)
2m-3=0
2m=3
m=3/2

There will be two answers to this equation 6 and 3/2

jack graphs how far he plans ton bike over a 3-day charity ride find the slope of the line

Answers

The slope of the line for 3-day charity ride is 30.

What is referred as the slope of the straight line?

The slope of a straight line indicates the steepness of its inclination. It is also known as the gradient.

The greater the slope of a line, the steeper it is.The slope of a line remains constant throughout its length, ensuring that the line is straight.A line can be thought of as the hypotenuse of such a right-angled triangle.A slope measurement is calculated by comparing its vertical and horizontal components.

The formula for the slope is;

slope = m = Δy/Δx

m = (y₂ - y₁)/(x₂ - x₁)

The given coordinators of the points (taken from Jack's graph are);

(x₁, y₁) = (2, 60)

(x₂, y₂) = (3, 90)

Put the values in the formula;

m = (90 - 60)/(3 - 2)

m = 30

Therefore, the slope of the straight line for the 3-day charity ride is 30.

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A sample of copper has a mass of 15.6 g and a volume of 1.75 cm^3. Calculate the density of copper from this sample.

this is for earth science but its math :/

Answers

Given the mass and volume of the sample, the density of the copper sample is approximately 8.91 g/cm².

What is the density of copper from the given sample?

The density of a substance is simply the mass of that substance per unit of its volume.

Density is expressed mathematically as;

Density = Mass / Volume.

Given the data in the question;

Mass of copper sample = 15.6 gVolume of copper sample = 1.75 cm³Density of copper sample = ?

Plug the given values into the formula above and solve for density.

Density = Mass / Volume

Density = 15.6 g / 1.75 cm³

Density = 8.91 g/cm²

Given the mass and volume of the sample, the density of the copper sample is approximately 8.91 g/cm².

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HELP PLEASE!!!!Write two words that have a ratio of vowels to consonants of 3:2 and two words that have a ratio of the letters e and r of 2:1.

Answers

Answer:

ratio: 3 vowels; 2 consonants

media: 3 vowels; 2 consonants

letter: 2 e's; 1 r

electric: 2 e's; 1 r

Find the sum of 2.54 x 1019 and 3.218 x 1017.

3.2434 x 1036
2.57218 x 1036
3.2434 x 1019
2.57218 x 1019

Answers

Answer:

Option 4

Step-by-step explanation:

[tex]2.54 \times 10^{19}+3.218 \times 10^{17} \\ \\ =(254+3.218) \times 10^{17} \\ \\ =257.218 \times 10^{17} \\ \\ =2.57218 \times 10^{19}[/tex]

Answer:

2.57218*1019

Step-by-step explanation:

PLEASE ANSWERING THIS QUESTION!!!

The volume of a cone with height h and a radius r can be found using the formula [tex]\sf{V=\dfrac{1}{3}\pi r^2h[/tex]


Find the volume of a cone with radius 5 feet and height 4 feet.


(Blank) ft^3


Rules answering these questions:


Explain your answer!


Do not spam answers!


Show your work!


Nonsense answers will be reported and delete your answers.


Thanks!

Answers

Answer:

104.8cm³(1 decimal place)

Step-by-step explanation:

Volume of a cone is given by the formula

V=1/3πr²h

we are given a radius of 5 and a height of 4 so we will just substitute for the values and we will give our pie as 22/7

V=1/3× 22/7×5²×4

V=1/3 × 22/7 ×25 ×4

V=2200/21

V=104.76190476

V=104.8cm³(1decimal place)

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asha saves coins in a jar. The table shows how the amount of money was in the jar at the end of every three-month period. A line of best fit for this
ata is B= 0.45m + 1.93.
Month, m
Balance, B
($)
3
6
9
3.24 4.63 5.97 7.26
12
Which value is the best estimate of the amount of money in the jar at the end of the first month?
A $0.45
OB. $1.08
OC. $1.93
OD. $2.3

Answers

If A line of best fit for the data is  B= 0.45m + 1.93. The value that is the best estimate of the amount of money in the jar at the end of the first month is: D.  $2.38.

Best estimate of the amount of money

Given:

B= 0.45m + 1.93.

Where:

m= 1 month (First month)

Hence:

B= 0.45(1) + 1.93

B= 0.45+ 1.93

B=$2.38

Therefore if A line of best fit for the data is  B= 0.45m + 1.93. The value that is the best estimate of the amount of money in the jar at the end of the first month is: D.  $2.38.

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By which angle measures can the regular pentagon be rotated so it maps onto itself? Select each correct answer. 72° 72° 90° 90° 135° 135° 144° 144° 216° 216° 300°

Answers

The regular pentagon can be rotated through at angles of 72, 144°, 216°, and 288° to map it onto itself.

What is a regular polygon?

A polygon is a two-dimensional geometric shape having a finite number of sides. Single-direction segments are connected end to end to make a closed shape on the sides or edges of polygons. The locations where two line segments converge to construct an angle are referred to as vertices or corners.

It is given that:

The pentagon has five sides.

As we know, the standard pentagon has five vertices and internal angles that are each 72 degrees. A regular pentagon also possesses rotational symmetry.

The angles are 72°.144°,216°, and 288°.

Thus, the regular pentagon can be rotated through at angles of 72, 144°, 216°, and 288° to map it onto itself.

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Acasa Insurance Company offers several plans for home insurance.

Plan A has a $700 yearly premium with a $3,000 deductible.
Plan B has a $1,200 yearly premium with a $1,000 deductible.
The average payout by the insurance company for a fire claim is $27,000. Suppose 5% of the claims were for fire damage. What would Acasa's expected value (loss or gain) be per customer who chooses plan A

Answers

Acasa's expected value loss  be per customer who chooses plan A

Assumption

Fill customers choose plan A

The  average payout is the same for plans A & B

Expected value = net payment in -Net payment out

⇒ 1000% × 700$ - 5% ×[27000$ - 3000$]

⇒ 700$ - 1200$

⇒ -500$

What are a profit and loss?

A profit and loss statement is a record of revenue and expenses incurred by a business in a given period of time. A profit and loss statement is also called a P&L, an income statement, a statement of profit and loss, and income and expense statement, or a statement of financial results.

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On a number​ line, suppose point E has a coordinate of -4 ​, and EG = 13. What are the possible coordinates of point​ G?

Answers

Answer:

9 or -17

Step-by-step explanation:

Hello!

The distance can be positive or negative, as we are just counting the number of units they are apart.

To find the possible coordinates for G, we can add or subtract 13 from -4 to find the possible coordinates for G.

Find G-4 + 13 = G1
-4 - 13 = G2
9 = G1
-17 = G2

The possible coordinates of G are 9 or -17.

A patient is limited to 2000 milliliters (mL) of liquid intake per day. If the patient has 300 mL of juice for breakfast and 500 mL of milk for lunch, how much liquid can the patient have for the rest of the day?

Answers

Answer: 300mL + 500mL = 800 mL

2000 mL - 800 mL = 1200mL

The patient can have 1200 milliliters of liquid for the rest of the day.

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