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Katarina [22]
3 years ago
5

Simplify completely 12x^3-4x^2+8x/-2x PLEASE HELP

Mathematics
1 answer:
Amiraneli [1.4K]3 years ago
4 0
The answer is 12x^3-4×^2-4
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Find the coordinates of the midpoint of LB if L(8,5) and B(-6,2)<br><br> 10 points!!!
KATRIN_1 [288]

Answer:

A, (1, 3+1/2)

Step-by-step explanation:

Midpoint formula for reference: m= {(x1 + x2)/2, (y1 + y2)/2}

Plugging in the points we get: m= {(8 - 6)/2, (5 + 2)/2}

Now we simplify using PEMDAS. First step is parentheses.

m= {2/2, 7/2}

Simplifying again (and making 7/2 a mixed number), it becomes

m= {1, 3+1/2}

Hope this helps!

3 0
2 years ago
You need to buy enough sand to fill a sandbox to the top. The sandbox is modeled by the right rectangular prism in the diagram.
kifflom [539]

Answer:80

Step-by-step explanation:

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3 years ago
The 40th parallel of north latitude runs across the United States through Philadelphia, Indianapolis, and Denver. At this latitu
Ronch [10]

Answer:

793.25 mi/hr

Step-by-step explanation:

Given that:

The radius of the earth is = 3030 miles

The angular velocity = \dfrac{\pi}{12} rads

If a jet flies due west with the same angular velocity relative to the ground at the equinox;

We are  to determine the How fast in miles per hour would the jet have to travel west at the 40th parallel for this to happen.

NOW;

Distance s is expressed by the relation

s = rθ

s = 3030(\frac{\pi}{12} )

s = 793.25

The speed which depicts how fast in miles per hour the jet would have traveled is :

speed (v) = \frac{s}{t}

v = \frac{793.25}{1}

v = 793.25 mi/hr

Hence, the jet would have traveled 793.25 mi/hr due west at the  40th parallel for this to happen.

7 0
3 years ago
What is 779,000,000 in scientific notation
DIA [1.3K]

Answer:

799 x 10^6

Hope this helps

Regularly it would be 799 x 1,000,000 so I converted it.

  • (\) QueTooOfficial (/)
4 0
3 years ago
Evaluate 6 over 3 plus 7 and times 4
jolli1 [7]

Answer:

B 244

Step-by-step explanation:

6^3 +7*4

PEMDAS says exponents first

216 + 7*4

Then multiply and divide

216 +28

Now we add and subtract

244

3 0
3 years ago
Read 2 more answers
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