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3 years ago

8

What is the area of this polygon?

1 answer:

STatiana [176]3 years ago

5 0

You can divide the polygon into a triangle (VMR) and rectangle(VEDR)
VE=5
VR=6
The area for VEDR would be:
area= VE*VR= 5*6= 30

triangle height=3
VR=6
The area for VMR
area= 1/2 * 3 * 6= 9

Total area= 30 + 9 = 39

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The half-life of carbon-14 is 5,730 years. Assuming you start with 100% of carbon-14, what is the expression for the percent, P(

vodomira [7]

The general expression would be:
$P(t) = (\frac{1}{2})^{ \frac{t}{5730} }$
In an organism that is 20,000 years old (t = 20000), we would expect:
$P(t) = (\frac{1}{2} )^( \frac{20000}{5730} ) = 0.08898$
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8 0

3 years ago

540.1 is 55% of what amount

Neko [114]

The answer is 982, it was pretty hard tbh

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3 years ago

Which polynomial is prime?

finlep [7]

we know that

If the only factors a polynomial are $1$ and itself, then that polynomial is prime.

so

If the polynomial has at least one root (one x-intercept) then the polynomial is not prime

Using a graph tool

<u>case 1) </u>

$x^{3}+ 3x^{2} + 2x+ 6$

see the attached figure N 1

The polynomial has one root-------> the polynomial is not prime

<u>case 2) </u>

$x^{3} + 3x^{2} - 2x - 6$

see the attached figure N 2

The polynomial has three roots-------> the polynomial is not prime

<u>case 3) </u>

$10x^{2}-4x+3x + 6$

$10x^{2} -x + 6$

see the attached figure N 3

The polynomial has zero roots-------> the polynomial is prime

<u>case 4)</u>

$10x^{2}-10x+6x - 6$

$10x^{2} -4x - 6$

see the attached figure N 4

The polynomial has two roots-------> the polynomial is not prime

therefore

<u>the answer is</u>

$10x^{2}-4x+3x + 6$ ------> is prime

8 0

3 years ago

Read 2 more answers

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Troyanec [42]

Answer:

(d-5)

Step-by-step explanation:

we know that

The phrase"five fewer than d days" is equal to subtract 5 from the number d

so

d minus 5-----> (d-5)

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3 years ago

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Snezhnost [94]

Answer:

graph a

Step-by-step explanation:

i know

4 0

3 years ago