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Virty [35]
3 years ago
13

What is the correct way to write 1,550,000,000 in scientific

Mathematics
1 answer:
Anika [276]3 years ago
6 0
1.55 x10 to the power of 9

            9
1.55x10

should look something like that
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8 + 8( 8 - n ) = 40 + 8n
Ierofanga [76]

n=2

8+8(8-n)=40+8n (distribute 8 through the parenthesis)

8+64-8n=40-8n (add the numbers)

<em>72-</em>8n=40+8n (move the variable to the left side and change its sign)

<em>72</em><em>-</em>8n+8n=40

-8n+8n=40<em>-72</em> (connect like terms)

-16n = -32 (divide both sides by -16)

<u><em>n=2</em></u>




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Y= -3x^2-24x-46 write in vertex form
mario62 [17]

ANSWER

y= -3{(x + 4)}^{2}  + 2

EXPLANATION

The given function is:

y= -3x^2-24x-46

Factor -3 for the first 2 terms.

y= -3(x^2 + 8x)-46

We add and subtract the square of the coefficient of x.

y= -3(x^2 + 8x +  {(4)}^{2} )  - - 3( {4)}^{2} -46

Factor the perfect square trinomial.

y= -3 {(x + 4)}^{2} )  + 48 -46

The vertex form is:

y= -3{(x + 4)}^{2}  + 2

6 0
4 years ago
Subject is Trigonometry. Solve for X.
sashaice [31]
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A bag contains 15 coins consisting of quarters and dimes. The total value of the coins is $2.55. Which system of equations can b
denis23 [38]

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or d=15+q

I believe this is how you do it

Step-by-step explanation:

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3 years ago
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