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maria [59]
3 years ago
13

How to get a 22 degree angle in a right angle triangle?

Mathematics
1 answer:
bagirrra123 [75]3 years ago
4 0
One way would be to draw  2 perpendicular lines  whose lengths are in the ration of the tangent of 22 degrees.

tan 22 = 0.4040

So draw a line AB  of length 10 inches, then using a compass construct a perpendicular line at point A Then measure a length of 4.04 inches along this line to point C. Then join CB.
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Evaluate the expression for the given value of the variable <br> 3a+4b; a= -6, b=-5
Dimas [21]
3 x -6 + 4 x -5
= -18+ -20
= -38
5 0
3 years ago
Read 2 more answers
Please help! If you do you will get 'Brainliest'
salantis [7]

Answer:

D is your answer.

Step-by-step explanation:

if you do 2 numbers to the right you get 3 and now the half would go in between 3 which would make your answer 3 and one half

7 0
3 years ago
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Expression for "the sum of a and 4'
Masteriza [31]
Answer: a + 4
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5 0
3 years ago
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Quando existe, dizemos que a solução de um sistema de equações lineares é o conjunto ordenado de números que satisfaz todas as e
QveST [7]
X representa o numero das suas respostas certas.
y represnta o numero das suas respostas erradas.
O total de perguntas <span>é 25, portanto
x + y = 25

Agora tratamos do dinheiro.
Come</span>ça com <span>R$ 500,00
Pelas x respostas certas, recebe 200x.
Pelas y respostas errads perde 150y.
O total de dineheiro inicial mais os ganhos menos as perdas s</span>ão iguais a
R$ 600,00, portanto
500 + 200x - 150y = 600
200x - 150y = 100
20x - 15y = 10

Temos um sistema de duas equações com duas variaveis.

<span>x + y = 25</span>
20x - 15y = 10

      15x + 15y = 375
+    20x - 15y = 10
---------------------------
       35x         = 385
           x         = 11

x + y = 25

11 + y = 25

y = 14

Resposta: Errou 14 perguntas.


5 0
3 years ago
Trial
n200080 [17]

Answer:

4 minutes is the answer ok

4 0
2 years ago
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