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3 years ago

13

Which tree diagram shows all the possible outcomes when a number cube with sides labeled 1-6 is rolled and then a coin is flippe

d
ΛΛΛΛΛΛ
O
1111

2 answers:

pentagon [3]3 years ago

5 0

Answer:c

Step-by-step explanation:

Klio2033 [76]3 years ago

3 0

The answer would be C

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A sample of bacteria is decaying according to a half-life model. If the sample begins with 700 bacteria, and after 10 minutes th

Papessa [141]

Answer:

18 minutes

Step-by-step explanation:

A = A₀ (½)^(t / T)

where A is the final amount,

A₀ is the initial amount,

t is the time,

and T is the half life.

A = 140 when t = 10. Solve for the half life:

140 = 700 (½)^(10 / T)

0.2 = ½^(10 / T)

log 0.2 = (10 / T) log 0.5

10 / T = 2.32

T = 4.31

When A = 40, t is:

40 = 700 (½)^(t / 4.31)

0.057 = ½^(t / 4.31)

log 0.057 = (t / 4.31) log 0.5

t / 4.31 = 4.13

t = 17.8

Rounded to the nearest whole number, it takes 18 minutes.

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4 years ago

elixir [45]

M-7/8=5
m=5+7/8
m=47/8

Fraction: 47/8
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3 years ago

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Llana [10]

B. 13

12^2 + 5^2 = c^2
169 = c^2
13 = c

please mark as brainliest :D

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3 years ago

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Will give brainliest to correct answer.

Inga [223]

Use Pythagorean's Theorem to find the length of x. $30^2-16^2=x^2$ so $900-256=x^2$ and $x= \sqrt{644}$ . We can simplify that radicand down into a perfect square times a prime number, and that is $\sqrt{4*161}$ . 4 is a perfect square that can be pulled out as a 2, so the length of x is $2 \sqrt{161}$ , the choice on the top right.

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Igoryamba

Multiply both by -1: 113.75-112=1.75
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3 years ago

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