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PilotLPTM [1.2K]
2 years ago
5

A

Mathematics
1 answer:
LekaFEV [45]2 years ago
3 0

Answer: 31.5 in.

Answer:

the answer is 13 cm

Step-by-step explanation:

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No link or bot answer the question
sasho [114]

Answer:

c. Rational

because → whole numbers are positive and Starts from 0 so not whole number

Integers can be negative and positive

Examples of numbers that are not integers are: -1.43, 1 3/4, 3.14, . 09, and 5,643.1.

Irrational number that cannot be written in p/q

but -2.4 written in p/q = -24/100

<h3>so c. Rational Number is correct</h3>
3 0
2 years ago
8. A substance has a half life of 2.347 minutes.
mina [271]

Answer:

a.) 4 half lives have passed

b) 9.388 minutes

Step-by-step explanation:

Formula for exponential growth / decay is given as:

A=A_0b^{\frac{t}{c}}

Where A is the final population

A_0 is the initial population

b is the growth factor

c is the time taken for the growth 'b'

t is the amount of time

Here, we are given that:

A = 6. 9 grams

A_0 = 110.4 grams

b = \dfrac{1}{2}

c = 2.347 min

To find:

a.) Number of half lives taken for the decay.

b.) Total time in the decay.

Solution:

a.) Number of half lives taken for the decay is nothing but equal to \frac{t}{c}.

Putting the values in the formula, we get:

6.9=110.4\times \frac{1}2^{\frac{t}{c}}\\\Rightarrow 6.9=110.4\times 0.5^{\frac{t}{c}}\\\Rightarrow 0.0625=0.5^{\frac{t}{c}}\\\Rightarrow \dfrac{t}{c} =4

Therefore, the answer is:

<em>4 half lives </em>have passed.

b.) Total time of decay. We have to find the value of t here.

From answer of part a.):

\dfrac{t}{c} =4\\\Rightarrow \dfrac{t}{2.347} =4\\\Rightarrow t =\bold{9.388\ min}

7 0
2 years ago
The graph of the equation y = 3x − 4 is shown. What statement is true about every point on the graph?
SpyIntel [72]

Answer:

Slope is 3

Y- intercept is -4

Doesn't pass through zero.

Linear

Give me options and I can give a better answer :)

3 0
2 years ago
What is 12 more than 3 times a number?
sleet_krkn [62]

Answer:

I think it's 4 times 3 is the more number for 12.

4 0
2 years ago
Read 2 more answers
A^2+b^2=c^2<br> a^2+10^2=18^2
Papessa [141]

Answer:

\sqrt[-4]{14}

Step-by-step explanation:

7 0
3 years ago
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