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kicyunya [14]
2 years ago
12

4

Mathematics
1 answer:
earnstyle [38]2 years ago
3 0
Its like ones true then ones false it goes in that pattern
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Given AB = 3x + 3 and BC = 2x + 9
BartSMP [9]

Answer:

x=6

Step-by-step explanation:

AB=BC

3x+3=2x+9

x=6

5 0
3 years ago
A rock sample containing an isotope with a half-life of 28 million years has an initial mass of 184 grams. how much time has ela
damaskus [11]
<h2>Half Life</h2>

The half life period is the time in which only half of the given population remains. It can be represented through this equation:

f(t)=a\times(1/2)^{\frac{t}{h}}

  • <em>t</em> = time passed
  • <em>a</em> = y-intercept
  • <em>h</em> = half life

<h2>Solving the Question</h2>

We're given:

  • <em>h</em> = 28 million years
  • <em>a</em> = 184 grams (this is the initial mass, after 0 time has passed)

For most questions like this, we would have to plug these values into the equation mentioned above. However, this question asks for the time elapsed after 3 half-lives.

This can be calculated simply by multiplying the given half-life by 3:

28 million years x 3

= 84 million years

<h2>Answer</h2>

84 million years

3 0
1 year ago
30 POINTS!!! Which choice is equivalent to the fraction below when x is greater than or equal to 3?
Mashcka [7]

Answer: C.

\frac{9}{\sqrt{x} -\sqrt{x-3} }=\frac{9(\sqrt{x} +\sqrt{x-3} )}{x-(x-3)}=\frac{9(\sqrt{x} +\sqrt{x-3} )}{3}=3(\sqrt{x} +\sqrt{x-3})

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
You have a nickle and a number cube with numbers 1 - 6. How many possible outcomes would there be?
Vadim26 [7]

I believe that is 12

Very sorry if I am wrong

6 0
3 years ago
The ratio of girls to boys in Jaime's chorus is 2 to 4. If there are 25 girls in her chorus, how many boys are there? *
Pavlova-9 [17]

Answer:

50 boys

Step-by-step explanation:

2/4 = 1/2

25*2=50

8 0
3 years ago
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