MATHEMATICS MIDDLE SCHOOL

Find the distance between these points A (5,8), B (-3, 4) AB=
_square root_

Answers

Answer 1
Answer:

I don't know the distance formula off the top of my head, so I'll draw a triangle and use the pythaorean theorem. This is what the points look like when plotted. Draw a line that connects them (will be hypotenuse) and draw two legs that connect to make a triangle. After you draw the legs, find their length and input it into the pythagorean theorem.

a² + b² = c²

4² + 8² = c²

16 + 64 = c²

80 = c²

The distance (hypotenuse) is √80 or approximately 8.95, rounded to 9 units.

Hope this helps!

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A school has 679 bottles of water for sports day they buy another 8 packs of bottle water each pack contains 6 bottle how many bottles of water do they have in total

Answers

8*6=48
679+48=727 water bottles.
727 is the answer to your question

This is the result of solving an equation to find a value(s) for the variable(s)which make the equation true.

Answers

How the equation becomes true is given below.

Step-by-step explanation:

In an equation with one variable, the variable has a solution, or value, that makes the equation true.

  • An equation is a mathematical statement that asserts the equivalence of two expressions.
  • When an equation contains a variable, such as  x, the variable is considered an unknown value.
  • The values of the variables that make the equation true are the solutions of the equation and can be found by solving the equation.
  • A solution of an equation can be verified, or checked, by substituting in its value for the variable in the equation.

For example, the assertion that “two plus five equals seven” is represented by the equation  2+5=7.

In many cases, an equation contains one or more variables. These are still written by placing each expression on either side of an equals sign (=). For example, the equation  x+3=5, read “x  plus three equals five”, asserts that the expression  x+3  is equal to the value 5.

When an equation contains a variable such as  x, this variable is considered an unknown value. In many cases, we can find the possible values for  x  that would make the equation true.  For example, consider the equation we were talking about above:  x+3=5. You have probably already guessed that the only possible value of  x  is 2, because you know that  2+3=5  is a true equation. We use an equals sign to show that we know the value of a given variable. In this case, we write  x=2  (read as “x  equals two”).

The values of the variables that make an equation true are called the solutions of the equation. In turn, solving an equation means determining what values for the variables make the equation a true statement.

The equation above was fairly straightforward; it was easy for us to identify the solution as  x=2

.

Arif and keisha go to a restaurant fot dinner. their meals total $13.75 and the tax is 5%Question: Arif and keisha want to leave a 15% tip based on the bill and tax combined. how much should they leave? Explain.

Answers

The total cost of the dinner meals taken by Arif and Keisha = $13.75
Percentage of tax that need to be given = 5%
Then
Amount of tax that needs to be given = (5/100) * 13.75 dollars
                                                           = 13.75/20 dollars
                                                           = 0.687 dollars
                                                           = 0.69 dollars
So
The total amount that needs to be
paid for dinner including tax = (13.75 + 0.69) dollars
                                             = 14.44 dollars
Percentage of tips that they both want to leave = 15%
Then
Amount of tips that need to be given = (15/100) * 14.44
                                                           = 216.6/100 dollars
                                                           = 2.17 dollars
So
The total amount that they should leave = (14.44 + 2.17) dollars
                                                                 = 16.61 dollars
So they should leave a total of $16.61 in the restaurant.
    

What is 2+5 nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn

Answers

Answer:

7

Step-by-step explanation:

2 + 5=7

The answer is 7 duhhhhhh

Please help me I need an answer

Answers

1) 2/4 = 1/4 + 1/4
2) 4/6 = 1/6 + 1/6 + 1/6 + 1/6
3) 3/5 = 1/5 + 1/5 + 1/5
4) 3/3 = 1/3 + 1/3 + 1/3
5) 7/8 = 1/8 + 1/8 + 1/8 + 1/8 + 1/8 + 1/8 + 1/8
6) 6/2 = 1/2 + 1/2 + 1/2 + 1/2 + 1/2 + 1/2
7) 5/6 = 1/6 + 1/6 + 1/6 + 1/6 + 1/6
8) 9/5 = 1/5 + 1/5 + 1/5 + 1/5 + 1/5 + 1/5 + 1/5 + 1/5 + 1/5
9) 8/3 = 1/3 + 1/3 + 1/3 + 1/3 + 1/3 + 1/3 + 1/3 + 1/3 
10) 1/2 * 8 = 8/2 = 4

11) Unit fractions are fractions where its numerators are 1 and its denominators are positive integer. example: 1/2 ; 1/3 ; 1/4

12) D.) 5/2 = 5 * 1/2

You have probably heard of Albert Einstein's famous formula: E = mc2. While this is an important formula that you may use at some point in your academic career, it is not a formula you apply in your daily life. Describe some common or unique formulas that you use in your life.

Answers


D = S x T  (Distance = Speed x Time)
S = D / T
T = D / S

When I need to drive to a neighboring state for my job, I look on maps
and find out how far away my destination is, and then use this formula
to calculate how long it will take me to get there, how fast I need to drive
in order to get there in the amount of time I have, how far I can get in the
time I have if I drive only at safe and legal speed, and what time I need to
head back in order to get home in time for dinner..

F = 1.8C + 32
C = 0.55 (F - 32)

These are the formulas to convert between Fahrenheit and Celsius expressions
of temperature.  I use them when I'm discussing the weather with my daughter
in Israel, or with my customers almost anywhere outside the USA.

F = M x G
Weight = Mass x Gravity

This formula deals with the relationship between mass and weight.  It's
used when you need to calculate the weight of some particular mass on
some particular planet.  I use it almost every day, when I'm answering
questions in the Physics department on Brainly, and trying to explain
my answers.
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