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3 years ago

11

Please help!!

1 answer:

Elan Coil [88]3 years ago

5 0

Your answer would be the time in takes for carbon-14 to elapse 3 half-lives.
5730 • 3 = 17190

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Factor completely 3x^2 − 21

Firdavs [7]

The highest common factor of the two terms is 3, so that goes outside the bracket as 3(____). To get 3x^2, you multiply 3 by x^2, which is your first term in the bracket, and to get -21, you multiply 3 by -7, so your final answer is 3(x^2 - 7). I hope this helps!

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3 years ago

Read 2 more answers

Which of the following best describes the slope of the line graphed?

e-lub [12.9K]

Answer:

c

Step-by-step explanation:

6 0

3 years ago

HELPPPPP!!!!!!!!!!!! will mark brainliest!! :D

allsm [11]

Solving the equation we get:

$1\frac{4}{9}-\frac{3}{4}=\frac{52}{\textbf{36}}-\frac{27}{\textbf{36}}=\frac{\textbf{25}}{\textbf{36}}$

Step-by-step explanation:

We need to solve the equation: $1\frac{4}{9}-\frac{3}{4}$

Solving:

$1\frac{4}{9}-\frac{3}{4}$

$\frac{13}{9}-\frac{3}{4}$

Taking LCM of 9 and 4 we get 36

$\frac{13*4}{36}-\frac{3*9}{36}$

$\frac{52}{36}-\frac{27}{36}$

$\frac{52-27}{36}$

$\frac{25}{36}$

So, solving the equation $1\frac{4}{9}-\frac{3}{4}$ we get $\frac{25}{36}$

In the first blank, in denominators we get 36 and in the second black we get $\frac{25}{36}$

So, answer is:

$1\frac{4}{9}-\frac{3}{4}=\frac{52}{\textbf{36}}-\frac{27}{\textbf{36}}=\frac{\textbf{25}}{\textbf{36}}$

Keywords: Solving Fractions

Learn more about Solving Fractions at:

#learnwithBrainly

3 0

3 years ago

Express the angle in radian measure<br> 108 degrees= __pi/___

Alexandra [31]

Answer:

108° = $\frac{3\pi }{5}$ radians

Step-by-step explanation:

To convert from degrees to radians

radians = degree measure × $\frac{\pi }{180}$ , thus

radian measure = 108° × $\frac{\pi }{180}$ = $\frac{3\pi }{5}$

6 0

3 years ago

What is the simplified form of 2n+3(n+4)

Andrews [41]

Answer:

5n + 12

Step-by-step explanation:

Perform the indicated multiplication. Then combine like terms:

2n + 3n + 12 = 5n + 12 (answer)

5 0

3 years ago