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sasho [114]
3 years ago
7

Multiply (8.42×10^3)(5×10^2) in scientific notation

Mathematics
1 answer:
castortr0y [4]3 years ago
5 0
4.21 x 10<span>6 is the answer

I'm Emilee, I'm always right. </span>
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Solve for the x using elimination <br> 3x-2y=13x−2y=1 <br> 2x+2y=42x+2y=4
Nikitich [7]

3x - 2y = 1

2x + 2y = 4

Add the second equation to the first

5x     = 5

2x + 2y = 4

Divide the first equation by 5

x        = 1

2x + 2y = 4

Subtract the first equation from the second

x        = 1

x + 2y = 3

Subtract the first equation from the second again

x        = 1

   2y = 2

Divide the second equation by 2

x        = 1

      y = 1

<h3>So, the solution is  x = 1  and  y = 1  {or: (1, 1)} </h3>
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3 years ago
Fiona bought some socks that cost $4.95 for each pair and some belts that cost $6.55 each. Fiona spent $27.95 in all. Let a repr
Nookie1986 [14]

Answer:

4.95a + 6.55b = 27.95

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3 years ago
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Which<br> interval<br> function?<br> contains a local<br> minimum<br> for the<br> graphed
Gwar [14]

Answer:

D

Step-by-step explanation:

a local minimum is a low point in the graph, but it isn't the lowest. and If u look at the given interval choices, the only one that has a local minimum Is D.

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How can you determine if information on website is relevant to your topic
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You need to look at website see what your witting about a good way to if the website has a phone number call and find on on your topic and ask questions about it
8 0
3 years ago
Help pleaseeeeeeeeeeee
Amiraneli [1.4K]

volume = \pi \times  {r}^{2} \times h \\ volume = 3.142 \times (10 \div 2)^{2} \times 18 \\ volume \:  = 3.142 \times 25 \times 18 \\ volume = 1413.9{cm}^{3}

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3 years ago
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