Mathematics High School

Find the distance between the pair of points (2,-5) and (3,-7).

Answers

Answer 1

Answer:

        2.24

Step-by-step explanation:

[tex]d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\\\\(2,-5)\quad\implies\quad x_1=2\,,\ \ y_1=-5\\\\(3,-7)\quad\implies\quad x_2=3\,,\ \ y_2=-7\\\\d=\sqrt{(3-2)^2+(-7+5)^2}= \sqrt{1^2+(-2)^2}=\sqrt{1+4}=\sqrt5=2.236....\approx2.24[/tex]

Related Questions

Brianna is getting materials for a chemistry experiment. Her teacher gives her a container that has 0.25 liter of a liquid in it. Brianna needs to use 0.4 of this liquid for the experiment. How much liquid will Brianna use?

Answers

Answer: 0.1 liter

Step-by-step explanation:

From the question, we are informed that Brianna teacher gives her a container that has 0.25 liter of a liquid in it and she needs to use 0.4 of this liquid for the experiment.

The amount of liquid that Brianna will use will be:

= 0.4 × 0.25 liters

= 0.1 liter

Discount and Tax examples for math... HELP!!!!

Answers

Answer:

Cathy bought a bicycle in Washington, where the sales tax rate was 6.5% of the purchase price. What was (a) the sales tax and (b) the total cost of a bicycle if the purchase price of the bicycle was $392?

Determine the 6th term of the following sequence.

1215, 405, 135, 45,...

Answers

Answer:

5

Step-by-step explanation:

Answer:

I think its 5

Step-by-step explanation:

because you divide them by 3 to get the next answer and 44 divided by 3 is 15 and 15 divided by 3 is 5

Will mark brainliest

Answers

Answer: Desmos will answer this question for you :) just input the functions

Step-by-step explanation:

which number line shows an integer and its opposite?

Answers

Answer:

B

Step-by-step explanation:

An integer is a whole number (not including 0).  An integer's opposite can be found by adding a negative sign to the front of it.  A negative integer's opposite would be positive, while a positive integer's opposite would be negative.  

simplify the expression
2x/(x+4) + 8/(x+4)

Answers

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[tex] \frac{2x}{x + 4} + \frac{8}{x + 4} = \\ [/tex]

[tex] \frac{2x + 8}{x + 4} = \\ [/tex]

[tex] \frac{2(x + 4)}{x + 4} = 2 \\ [/tex]

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My mom was at the store with a 15% off coupon. She spent $25.00 with 7% sales tax. How much is the total?

Answers

Answer:

The answer is $22.74

Step-by-step explanation:

What is the y-intercept of the function f(x) = -2/9x + 1/3x?

Answers

Answer:

Step-by-step explanation:

(-4, -7) and (-6, 9) in slope-intercept form. Show work

Answers

Answer:

Equation of line in slope-intercept form is: y = -8x-39

Step-by-step explanation:

Given points are:

(-4, -7) and (-6, 9)

The slope-intercept form is given by the equation

[tex]y = mx+b[/tex]

Here m is the slope of the line and b is the y-intercept.

m is found using the formula

[tex]m = \frac{y_2-y_1}{x_2-x_1}[/tex]

Here

(x1,y1) = (-4-7)

(x2,y2) = (-6,9)

Putting the values in the formula

[tex]m = \frac{9+7}{-6+4} = \frac{16}{-2} = -8[/tex]

Putting slope in general equation

[tex]y = -8x+b[/tex]

Putting (-6,9) in the equation

[tex]9 = -8(-6)+b\\9 = 48+b\\b = 9-48\\b = -39[/tex]

Putting the value of b we get

[tex]y = -8x-39[/tex]

Hence,

Equation of line in slope-intercept form is: y = -8x-39

HELP!!!!!
A quadratic function passes through the points (0,5), (2,3), and (3,5). Which function represents the same relationship?

Answers

Answer:

h(x)=x^2-3x+5

Step-by-step explanation:

Write the equation of the line

Answers

Answer:

y=-3/2x+4

Step-by-step explanation:

line is negative, going 3 over 2. y intercept is 4.

i need assistance lol

Answers

I’m pretty sure it’s exponential. I hope this helped!
Please leave a brainliest mark and a thanks (:

Last year, the average monthly revenue at the Richmond Times newspaper was $82,980. So far this year, the average has been 25% more than last year. What is the average revenue so far this year?

Answers

Answer:

103,725

Step-by-step explanation:

82,980x.25+82,980

mL1 = 26°
and
mL3 = 53°

What is
mL4

Answers

Answer:

53 + 26

=79 is right

therefore m angle 4 is 79

37x+2=38x find measure

Answers

Answer:

x = 2

Step-by-step explanation:

[tex]37x + 2 = 38x\\=> 38x-37x=2\\=> x = 2[/tex]

Answer:

x=2

Step-by-step explanation:

37x + 2 = 38x

<=> 2 = 38x - 37x

<=> 2 = x

So x = 2

When 0.3(4x – 8) – 0.5(–2.4x + 4) is simplified, what is the resulting expression?

A. -4.4
B. 1.2x - 2.4 + 1.2x - 2
C. 2.4x - 0.4
D. 2.4x - 4.4

Answers

Answer:

It's the B

Step-by-step explanation:

0.3*4=1.2

0.3 *(-8)=-2.4

-0.5*(-2.4x)= 1.2x

-0.5*4=-2

So it's 1.2x - 2.4 + 1.2x - 2

Answer:its B

Step-by-step explanation:

I just took the quiz

PLEASE HELP FAST ITS PRETTY EASY FOR BRIANLIST

Answers

5^0.5 or 5^(1/2)

Fractional powers are basically just roots with the bottom fraction being the amount of roots and the top fraction being the power.

5^0.5 = 5^(1/2) = sqrt(5)

Answer:

5^(1/2)

Step-by-step explanation:

5^(1/2)

Longer question please help ASAP

Answers

Answer:

a. 40÷2.89=m  b. 13

Step-by-step explanation:

i rounded 2.89 to the nearest whole which was 3then i knew in my head that this would be a divsion qustionsince divideing 2.89 with 40 would be hard i did 3 instaed plus 3 id also resonablethen i did 40÷3 witch is 13.3 then rounded 13.3 to the nearest whole witch was 13 13 is the answer

#1.
м.
#
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4.
3
70
6
N
P
70°
R
S
8
^_^
BY
-+

Answers

Answer: flip a table

Step-by-step explanation:

stand GRAB TABLE THEN FLIP

Your answer is right up there

SOMEONE HELP ME WITH GEOMETRY PLEASE!!!!


Find the coordinates of the orthocenter of the triangle with the given vertices.

A(−1, 2), B(9, 2), C(−1, −3)

Answers

Answer:

is there a picture or something?

Answer:

it's (-1,2)

Step-by-step explanation:

Please help as fast as possible thanks much appreciated in advance

Answers

Answer:

140

Step-by-step explanation:

x = 7  ; y = -2

7(2x - 3y) = 7(2*7 - 3*[-2])

               = 7(14 + 6)

              = 7 * 20

               = 140

Step-by-step explanation:

this is what I believe the answer is and the work for it

please solve will give brainiest

Answers

Step-by-step explanation:

BODMAS

155.5-5.5*20.7

155.5-113.85

=41.65

Answer:

41.65

Step-by-step explanation:

155.5-(5.5*20.7) order of operation

155.5-113.85=

41.65

A girl was asked to multiply a number by 7/8.instead she divided the number by 7/8and got the result 15 more than the correct result.what is the number​

Answers

Answer:

x=56

Step-by-step explanation:

number = x

7/8x=8/7x-15

Add 15

15+7/8x=8/7x

Subtract 7/8

15=15/56x

x=56

The number is 56

Hope this helps!

11+(-3)-1/8j-3/8j+7=

Will give reward if right

Answers

Answer:

J = 7.5

Step-by-step explanation:

* This is going off of the estimate that the = sign means the equation is = to 0, as there is no value after the equal sign. *

First, start off by adding all of the like numbers.

11 + (-3) + 7 = 8 + 7 = 15

- 1/8 j - 3/8 j  = - 4/8 j.

Combining those two sums, we get:

15 - 4/8 j = 0

Subtract 15 from both sides,

-4/8 j = -15

Simplify -4/8 to -1/2, and then to -0.5

-0.5j = -15

Divide.

-15/-0.5 = 7.5

When you divide a negative number by another negative number, you get a positive. Therefore, the answer is J = 7.5

If the number after the = sign IS NOT 0, then when you get to 15 - 0.5j, just do the steps but with a number that isn't 0.

5 4/8 = ? I really need help

Answers

if you mean in decimal form, it will be 5.5

Find the difference.
60°
30°
40"
50"
40

Answers

40 doesnt end with the circle

Factoring Quadratics

1. X^2-25=0

Answers

(x+5)(x-5)

when you have a negative square number, you do + and - the square root :) it would not work if you were given +25

CAN SOMEONE HELP ASAP ILL GIVE GOOD RATING

Answers

Answer:

35

Step-by-step explanation:

PLEASE HELP!

Identify the center and radius of the circle (x+4)^2 + (y-2)^2=16

Answers

The equation for a circle is x^2+y^2=r^2 so the radius is the square root of 16 which is 4. Then you take y-2 and set it equal to 0. This gives you y=2 as the y coordinate of the center. You then set x+4 equal to 0 which gives you x=-4 which is the x coordinate of the center. So the radius is 4 and the center is at (-4,2)

Write this fraction in an equation using words: 2/3

Answers

Answer:

two-thirds plus five=five and two-thirds

Step-by-step explanation:

Two divided by three
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