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yuradex [85]
3 years ago
11

Element X is a radioactive isotope such that every 13 years, its mass decreases by half. Given that the initial mass of a sample

of Element X is 60 grams, how much of the element would remain after 30 years, to the nearest whole number?
Mathematics
1 answer:
Nana76 [90]3 years ago
8 0

Answer:

2,325 grams !

Step-by-step explanation:

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(Right angle Trigonometry) Please help me solve and explain!
laila [671]

Answer:

31.3

Step-by-step explanation:

Reference angle given = 56.1°

Hypotenuse = 56.1

Adjacent side = x = ?

We would apply CAH, which is:

Cos 56.1° = Adj/Hyp

Cos 56.1° = x/56.1

56.1 × Cos 56.1° = x

31.2895006 = x

x = 31.3 (approximated to the nearest tenth)

8 0
3 years ago
Factorize i) 6y? - 24 y
Sphinxa [80]

answer for the first one

6 0
3 years ago
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Luis quiere saber que distancia recorre su bicicleta cada vez que sus llantas dan 5 vueltas completas . Si una llanta mide 55 cm
GenaCL600 [577]

Answer:

864 cm

Step-by-step explanation:

Circunferencia = Distancia (diámetro) × π

Diámetro = 55 cm

Número de vueltas = 5

Circunferencia = π × (55cm × 5)

= 863,93797974 cm

Aproximadamente = 864 cm

3 0
3 years ago
75(1+0.2/12)^10*12 what is the answer
Alchen [17]

Answer:

545.119

Step-by-step explanation:

75 * (1 + .2/12)^10 * 12

75 * (1.016667)^10*12

Now things get a little tricky. What does 10*12 mean? I'm taking it to mean 120

75 * (1.016667)^120

75 * 7.268

545.119

8 0
3 years ago
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I need help ASAP pls
telo118 [61]

Answer:

Infinite: 2x+7=2+7

One solution= 2x-5= 10

No solution= 2x+7=2x-6

Step-by-step explanation:

7 0
3 years ago
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