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irinina [24]
3 years ago
12

¿Cuantos minutos tiene un día?

Mathematics
2 answers:
zlopas [31]3 years ago
8 0
How many minutes are in a day?
bekas [8.4K]3 years ago
4 0
Hay 24 horas en un día y 60 minutos en una hora. Hay 1,440 minutos en un día.
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Which steps transform the graph of y = x2 to y = –2(x – 2)2 + 2? (1 point)
Kitty [74]
Y = x²  to: y = - 2 ( x - 2 )² + 2
Answer:
D ) reflect across the x-axis, translate 2 units to the right, translate up 2 units, stretch by the factor of 2
7 0
3 years ago
Thethree sides of a triangle measure 810 and 12 units is this a right angle?
Alja [10]

Answer:

The given triangle is NOT A RIGHT ANGLED TRIANGLE.

Step-by-step explanation:

Here, the three given sides of the triangle are:

8 units, 10 units and 12 units

Now, for any triangle to be a right angle:

by the PYTHAGORAS THEOREM:

(Base)^2 + (Perpendicular)^2  = (Hypotenuse)^2

The longest of all sides id the hypotenuse.

⇒ H  = 12 units

Let us assume, B = 8 units, P = 10 units

Now, here checking the condition:

(8)^2  + (10)^2  = 64  + 100  = 164  \neq (12)^2  = 144\\\implies (B)^2  + (P)^2  \neq (H)^2

Hence, the given triangle is NOT A RIGHT ANGLED TRIANGLE.

4 0
3 years ago
Using complete square to slove for x in the equation (x+7) (x-9)=25
Brrunno [24]

Answer:

x_1=1+\sqrt{89}\\\\x_2=1-\sqrt{89}

Step-by-step explanation:

Apply Distributive property:

(x+7)(x-9)=25\\\\x^2-9x+7x-63=25

Add like terms and then add 63 to both sides of the equation:

x^2-2x-63=25\\\\x^2-2x-63+63=25+63\\\\x^2-2x=88

Pick the coefficient of the x term, divide it by 2 and square it:

(\frac{2}{2})^2=1

Add it to both sides of the equation:

x^2-2x+1=88+1

Rewriting the left side as a squared binomial, we get:

(x-1)^2=89

Apply square root to both sides:

\sqrt{(x-1)^2}=\±\sqrt{89}\\\\x-1=\±\sqrt{89}

And finally we need to add 1 to both sides of the equation. Then we get:

x-1+1=\±\sqrt{89}+1\\\\x=\±\sqrt{89}+1\\\\\\x_1=1+\sqrt{89}\\\\x_2=1-\sqrt{89}

8 0
3 years ago
take a square of arbitary measure assuming its area is one square unit.divide it in to four equal parts and shade one of them.ag
BabaBlast [244]

Answer:

In recreational mathematics, a square array of numbers, usually positive integers, is called a magic square if the sums of the numbers in each row, each column, and both main diagonals are the same.[1][2] The order of the magic square is the number of integers along one side (n), and the constant sum is called the magic constant. If the array includes just the positive integers {\displaystyle 1,2,...,n^{2}}{\displaystyle 1,2,...,n^{2}}, the magic square is said to be normal. Some authors take magic square to mean normal magic square.[3]

The smallest (and unique up to rotation and reflection) non-trivial case of a magic square, order 3

Magic squares that include repeated entries do not fall under this definition and are referred to as trivial. Some well-known examples, including the Sagrada Família magic square and the Parker square are trivial in this sense. When all the rows and columns but not both diagonals sum to the magic constant we have semimagic squares (sometimes called orthomagic squares).

The mathematical study of magic squares typically deals with its construction, classification, and enumeration. Although completely general methods for producing all the magic squares of all orders do not exist, historically three general techniques have been discovered: by bordering method, by making composite magic squares, and by adding two preliminary squares. There are also more specific strategies like the continuous enumeration method that reproduces specific patterns. Magic squares are generally classified according to their order n as: odd if n is odd, evenly even (also referred to as "doubly even") if n is a multiple of 4, oddly even (also known as "singly even") if n is any other even number. This classification is based on different techniques required to construct odd, evenly even, and oddly even squares. Beside this, depending on further properties, magic squares are also classified as associative magic squares, pandiagonal magic squares, most-perfect magic squares, and so on. More challengingly, attempts have also been made to classify all the magic squares of a given order as transformations of a smaller set of squares. Except for n ≤ 5, the enumeration of higher order magic squares is still an open challenge. The enumeration of most-perfect magic squares of any order was only accomplished in the late 20th century.

Magic squares have a long history, dating back to at least 190 BCE in China. At various times they have acquired occult or mythical significance, and have appeared as symbols in works of art. In modern times they have been generalized a number of ways, including using extra or different constraints, multiplying instead of adding cells, using alternate shapes or more than two dimensions, and replacing numbers with shapes and addition with geometric operations.

4 0
3 years ago
Fred mixes 3 1/2 cups of flour, 1 1/4 cups of sugar, 2/3 cup of rye flour, and 1/3 cup of wheat flour. Will the ingredients fit
Paladinen [302]
Yes because all of that equals to 5 and 9/12 which is less than 6 cups
3 0
2 years ago
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