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Crazy boy [7]
3 years ago
11

20 multiplication facts in one minute. How long to take him to complete 35 multiplication facts

Mathematics
1 answer:
arlik [135]3 years ago
6 0
It will take 700 minutes
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How to find the square root
stepladder [879]

Answer:

Step-by-step explanationPaso 1

1 Si el radicando tiene más de dos cifras separamos las cifras en grupos de dos, empezando por la derec2 Calculamos la raíz cuadrada entera o exacta, del primer grupo de cifras por la izquierda, ha.3 El cuadrado de la raíz obtenida 2 (es decir 4) se resta al primer grupo de cifras que aparecen en el radicando Bajamos el siguiente grupo de cifras del radicando, separando del número formado (492) la primera cifra a la derecha (2) y dividiendo lo que resta entre el doble de la raíz 2, es decir 2(2)=4.  5En otra fila debajo de la raíz colocamos el doble de la misma (4). A continuación, se coloca el cociente que se obtenga (9) . Y luego el número obtenido (49) se multiplica por dicho cociente (9). Después, se resta (441) a la cantidad operable (492) del radicando.  El cociente obtenido (9) es la segunda cifra de la raíz, quedando (29) Bajamos el siguiente par de cifras y repetimos los pasos anteriores.

 Prueba de la raíz cuadrada. Para que el resultado sea correcto, se tiene que cumplir:

 

.

8 0
3 years ago
Find the coordinates of the midpoint of a segment with the endpoints (7,−5) and (3,3).
aksik [14]

Answer:

(5, -1)

Step-by-step explanation:

Midpoint = (x1 + x2 ÷ 2) , (y1 + y2 ÷ 2)

MP= (7 + 3 ÷ 2), (-5 + 3 ÷ 2)

= (10÷2), (-2÷2)

=(5), (-1)

MP= (5, -1)

7 0
3 years ago
How many halves are in three wholes
vlabodo [156]

Answer:

6

Step-by-step explanation:

1/2 + 1/2 = 1

1/2 + 1/2 = 1

1/2 + 1/2 = 1

There are 6 halves that equal 3.

Another way to do this is:

1/2x = 3

3 / 1/2 = 6

x = 6

5 0
3 years ago
The diagonals of a parallelogram are perpendicular to each other. The perimeter of the parallelogram is 48 feet. Find the length
iVinArrow [24]
We know that a parallelogram has two pairs of congruent sides.  If we know that the diagonals are perpendicular and the perimeter is 48 feet, we can solve is using the area of parraleogram formula: with that we get the answer of 5, and 9
3 0
3 years ago
What is the solution to the inequality?<br>10.2 +18 &lt; -2​
Gre4nikov [31]

Answer:

94

Step-by-step explanation:

5 0
3 years ago
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