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Anvisha [2.4K]
3 years ago
13

Create an expression, to equal 13, using any grouping of addition, subtraction, multiplication, and division. You must use all t

he basic operations at least once (addition, subtraction, multiplication, and division) and you must use at least three sets of parentheses. You can use exponents if you want as well. Post your expression to the discussion board.
Mathematics
1 answer:
vlabodo [156]3 years ago
4 0

Answer:

Step-by-step explanation: Since the question says "... use ANY grouping of the basic operations and let your created expression be equal to 13...",

[10×5] +2 -[5^2+1] ÷ [√4] = 13

There are also three sets of parentheses as requested.

Note: the operations in parentheses are to be solved first before applying the signs which are in front of the parentheses. This expression equals 13.

10 × 5 = 50

50+2=52

[5^2 + 1] = 25+ 1 = 26

52-26 = 26

[√4]=2

26÷2= 13

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A polygon has vertices whose coordinates are A(1, 4), B(4, -1), C(-1, -4), and D(-4, 1). Use the midpoint formula to determine w
Alenkinab [10]

Answer:

The diagonals of the polygon ABCD bisect each other

Step-by-step explanation:

The given vertices of the polygon are;

A(1, 4), B(4, -1), C(-1, -4), and D(-4, 1)

Given that the vertices of the polygon in clockwise order from the top left corner are ABCD, we have the diagonals as AC and DB

By the midpoint formula, we have;

(x_m , \ y_m) = \left (\dfrac{x_1 + x_2}{2} , \ \dfrac{y_1 + y_2}{2} \right )

Where;

(x_m , \ y_m) = The midpoint coordinates

Therefore, the midpoint of diagonal AC = \left (\dfrac{1 + (-1)}{2} , \ \dfrac{4 + (-4)}{2} \right ) = (0, 0)

The midpoint  of diagonal DB = \left (\dfrac{(-4) +4}{2} , \ \dfrac{1 + (-1)}{2} \right ) = (0, 0)

Therefore, given that the coordinates of the location of the midpoint of the diagonals AC and DB is the same, the diagonals bisect each other

Each diagonal passes through the midpoint of the other diagonal.

3 0
3 years ago
Which of the following functions best describes this graph?<br><br> HELP A BROTHA OUT
koban [17]
I got chu babe it’s A
5 0
3 years ago
Read 2 more answers
Could someone please help me with the question please
VladimirAG [237]

Answer:

parallel

Step-by-step explanation:

parallel lines are straight lines and never meet if you carried them on. Perpendicular lines meet at a right angle, so those lines are parallel. :)

5 0
2 years ago
That’s the number is written in standard scientific notation?
Nata [24]

Option D: 3.47*10^-7 is the correct answer

Step-by-step explanation:

In order to determine the number written in standard scientific notation, first of all we have to understand how the scientific numbers are written

the scientific numbers are written in the form of:

a*10^n

Here

a is a number between 1 and 10 while the value of n can be only integer (positive or negative)

so,

In the given options:

Option A has a number larger than 10 in place of a so it is not in standard notation

Option B has a number less than 1 in place of a  so it is also not in standard notation

Option C has a number larger than 10 in place of a so it is not in standard notation

Option D is in standard scientific notation as 1<3.47<10 and the power of 10 is integer

Hence,

Option D: 3.47*10^-7 is the correct answer

Keywords: Scientific notation, exponents

Learn more about scientific notation at:

  • brainly.com/question/846474
  • brainly.com/question/833559

#LearnwithBrainly

6 0
2 years ago
4.48 rounded to the nearest one
Yakvenalex [24]
The correct answer is 4
4 0
3 years ago
Read 2 more answers
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