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2 years ago

11

Como os jogos de raciocinio podem auxiliar o jovem nos estudos ?

1 answer:

Scorpion4ik [409]2 years ago

7 0

It can help them by concentrating like mind games and teaching them. Learning from their mistakes something like that. Like reading games that help you with your subjects.

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Convert 11.42424242 … to a rational expression in the form of a over b, where b ≠ 0.

babymother [125]

$x = 11\frac{42}{99}$

Step-by-step explanation:

$11.42424242.... = 11. \overline{42} \\ let \: x = 11. \overline{42} .....(1)\\ 100x = 1142.\overline{42}....(2) \\ subtracting \: (1) \: from \: (2) \: \\ 100x - x = 1142.\overline{42} - 11. \overline{42} \\ 99x = 1131 \\ x = \frac{1131}{99} \\x = 11\frac{42}{99} \\$

3 0

3 years ago

Solve for A ? <br><br> Anyone willing to help me :)

GrogVix [38]

Answer:

<h2>2.2</h2>

Step-by-step explanation:

Use the cosine law:

$BC^2=AB^2+AC^2-2(AB)(AC)\cos(\angle A)$

We have:

$BC=a\\\\AB=4\\\\AC=3\\\\m\angle A=32^o\to\cos32^o\approx0.848$

Substitute:

$a^2=4^2+3^2-2(4)(3)(0.848)\\\\a^2=16+9-20.352\\\\a^2=4.648\to a=\sqrt{4.648}\\\\a\approx2.2$

5 0

2 years ago

"use the graph to determine the limit if it exists" limit x -> 3 I provided graph below

bekas [8.4K]

Answer:

im not sure but probably 18

Step-by-step explanation:

5 0

3 years ago

What is the circumference of a circle if the area is 7.2

maw [93]

~45.25 because the formula for circumference is 2(3.14286)a or 2(3.14286)7.2

8 0

3 years ago

Solve for x 11^x/11^3=11^2 PPEASE I HAVE AN F

dimaraw [331]

Answer is x=5
It is right

4 0

2 years ago