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77julia77 [94]
3 years ago
15

Is 9 7/8 irrational or rational?

Mathematics
1 answer:
Karo-lina-s [1.5K]3 years ago
5 0

Answer:irrational

Step-by-step explanation: it is not a whole number

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If you buy 3 shirts, you get 10% discount. If you paid $270 for 6 shirts
earnstyle [38]

Answer:

50$

Step-by-step explanation:

270/6=45

10% of 50 is 5

so 50-5= 45

6 0
3 years ago
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Brainliest if you guess my age :)
LenaWriter [7]

Answer:

14

Step-by-step explanation:

or 16

5 0
3 years ago
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I need solving 4.8 (x+4)=2.6
victus00 [196]
<span>4.8 (x+4)=2.6
Use distributive property
4.8x + 19.2= 2.6
Subtract 19.2 from both sides
4.8x = -16.6
Divide 4.8 on both sides so that the only thing remaining on the left side is the variable x.
Final Answer: x = -3.458</span>
7 0
3 years ago
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If the discount is 36% and the sale price is $32 what was the original price
jok3333 [9.3K]

Answer:

89

Step-by-step explanation:

100/36= 2.77777778

2.77777778·32 = 88.8888889

89

8 0
3 years ago
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Do alto de um farol cuja altura é de 20 m avista se um navio sob ângulo de depressão de 30°. A que distância , aproximadamente,
Mkey [24]
Esta é a trigonometria . Se você desenhar uma linha a partir do topo da casa de luz para o barco, você terá a hypotonuse de um triângulo. Um truque é lembrar que este é um triângulo especial. É um triângulo 30-60-90 , que tem propriedades especiais mostradas na fixação abaixo . por isso sabemos que o lado adjacente que não é o hyposonuse é x√3 . Agora sabemos que x<span>√3 = 20
Solve for x.
x</span><span>√3=20
divide both sides by </span><span>√3.
x=20/(</span><span><span>√3)
</span>Try not to have square roots (</span><span><span>√)</span> in denomenator so multiply top and bottom by </span><span>√3 and get
x=(20</span><span>√3)/3
x is what we are looking for so the answer is </span>
20<span>√3 m </span><span>ou cerca de 34.64 m</span>










7 0
3 years ago
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